Publikationen

2017  |  2016  |  2015  |  2014  |  2013  |  1991-2012  |  Forschungsberichte  |  Patente

2017

Becker, M.; Bredemeyer, N.; Tenhumberg, N.; Turek, T.
Kinetic studies at carbon felt electrodes for vanadium redox-flow batteries under controlled transfer current density conditions
Electrochim. Acta 252 (2017) 12 – 24
dx.doi.org/10.1016/j.electacta.2017.07.062

Jiang, B.; Muddemann, T.; Kunz, U.; Bormann, H.; Niedermeiser, M.; Haupt, D. R.; Schläfer, O.; Sievers, M.
Evaluation of Microbial Fuel Cells with Graphite/MnO2 and MoS2 Composite Oxygen Reduction Cathode Catalyst with Different Supports and Producing Methods
ECS Trans. 77 (11) (2017) 1043-1051
dx.doi.org/10.1149/07711.1043ecst

Muddemann, T.; Haupt, D. R.; Gomes Silva e Silva, L.; Jiang, B.; Kunz, U.; Bormann, H.; Niedermeiser, M.; Schläfer, O.; Sievers, M.
Integration of Upscaled Microbial Fuel Cells in Real Municipal Sewage Plants
ECS Trans. 77 (11) (2017) 1053-1077
dx.doi.org/10.1149/07711.1053ecst

Minke, C.; Kunz, U.; Turek, T.
Techno-economic assessment of novel vanadium redox flow batteries with large-area cells
J. Power Sources 361 (2017) 105-114
dx.doi.org/10.1016/j.jpowsour.2017.06.066

Lesser, D.; Mestl, G.; Turek, T.
Modeling the dynamic behavior of industrial fixed bed reactors for the manufacture of maleic anhydride
Chem. Eng. Sci. 172 (2017) 559-570
dx.doi.org/10.1016/j.ces.2017.06.049

Yilmaz, C.; Turek, T.
Modeling and simulation of the use of direct reduced iron in a blast furnace to reduce carbon dioxide emissions
J. Clean Prod. 164 (2017) 1519-1530
dx.doi.org/10.1016/j.jclepro.2017.07.043

Haug, P.; Kreitz, B.; Koj, M.; Turek, T.
Process modelling of an alkaline water electrolyzer
Int. J. Hydrogen Energ. 42 (2017) 15689-15707
dx.doi.org/10.1016/j.ijhydene.2017.05.031

Hofmann, S.; Turek, T.
Process intensification of n-butane oxidation to maleic anhydride in a milli-structured reactor
Chem. Eng. Technol. (accepted)
dx.doi.org/10.1002/ceat.201700093

Yilmaz, C.; Wendelstorf, J.; Turek, T.
Modeling and simulation of hydrogen injection into a blast furnace to reduce carbon dioxide emissions
J. Clean. Prod. 154 (2017) 488-501
dx.doi.org/10.1016/j.jclepro.2017.03.162

Bockelmann, M.; Reining, L.; Kunz, U.; Turek, T.
Electrochemical characterization and mathematical modeling of zinc passivation in alkaline solutions: A review
Electrochim. Acta 237 (2017) 276-298
dx.doi.org/10.1016/j.electacta.2017.03.143

Jiang, B.; Muddemann, T.; Kunz, U.; Haupt, D.; Bormann, H.; Niedermeiser, M.; Schläfer, O.; Sievers, M.; Hofmann S.
Effect of K3Fe(CN)6 on Long-Term Electrochemical Power Output of Four Series Stack MFCs
Int. J. Current Research
www.journalcra.com/sites/default/files/20442.pdf

Haug, P.; Koj, M.; Turek, T.
Influence of process conditions on gas purity in alkaline water electrolysis
Int. J. Hydrogen Energ. 42 (2017) 9406-9418
dx.doi.org/10.1016/j.ijhydene.2016.12.111

Jiang, B.; Muddemann, T.; Kunz, U.; Bormann, H.; Niedermeiser, M.; Haupt, D.; Schläfer, O.;
Sievers, M.
Evaluation of Microbial Fuel Cells with Graphite Plus MnO2 and MoS2 Paints as Oxygen Reduction Cathode Catalyst
J. Electrochem. Soc. 2017 164(3) H3083-H3090
dx.doi.org/10.1149/2.0131703jes

Minke, C.; Kunz, U.; Turek, T.
Carbon felt and carbon fiber - A techno-economic assessment of felt electrodes for redox flow battery applications
J. Power Sources 324 (2017) 116-124
dx.doi.org/10.1016/j.jpowsour.2016.12.039

Li, X.; dos Santos, A.R.; Drache, M.; Ke, X.; Gohs, U.; Turek, T.; Becker, M.; Kunz, U.; Beuermann, S.
Polymer electrolyte membranes prepared by pre-irradiation induced graft copolymerization on ETFE for vanadium redox-flow battery applications
J. Membr. Sci. 524 (2017) 419-427
dx.doi.org/10.1016/j.memsci.2016.10.053

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2016

Shi, L.; Kunz, U.
Mechanical Behavior during Electrochemical and Mechanical Deactivation of an Aged Electrode in a Lithium-Ion Pouch Cell
Energ. Technol. 4 (2016) 1520-1530
dx.doi.org/10.1002/ente.201600134

Wagner, S.; Oberland, A.; Turek, T.
Analytical Approach for Evaluation of Lithium-Ion Battery Cells
Energ. Technol. 4 (2016) 1543-1549
dx.doi.org/10.1002/ente.201600137

Friedland, J.; Turek, T.; Güttel, R.
Investigations on the Low Temperature Methanation with Pulse Reaction of CO
Chem. Ing. Tech. 88 (2016) 1833-1838
dx.doi.org/10.1002/cite.201600056

Hofmann, S.; Bufe, A.; Brenner, G.; Turek, T.
Pressure drop study on packings of differently shaped particles in milli-structured channels
Chem. Eng. Sci. 155 (2016) 376-385
dx.doi.org/10.1016/j.ces.2016.08.011

Walter, V.; Pfeuffer, B.; Hoffmann, U.; Turek, T.; Hoell, D.; Kunz, U.
Heterogeneous Reactive Extraction for Isopropyl Alcohol Liquid Phase Synthesis: Microkinetics and Equilibria
Chem. Eng. Sci. 155 (2016) 175-185
dx.doi.org/10.1016/j.ces.2016.08.005

Schaub, G.; Turek, T.
Energy Flows, Material Cycles and Global Development, Second Edition
Springer-Verlag, 2016
dx.doi.org/10.1007/978-3-319-29495-7

Mestl, G.; Lesser, D.; Turek, T.
Optimum performance of vanadyl pyrophosphate catalysts
Top. Catal. 59 (2016) 1533-1544
dx.doi.org/10.1007/s11244-016-0673-0

Kuwertz, R.; Aoun, N.; Turek, T.; Kunz, U.
Influence of PTFE Content in Gas Diffusion Layers Used for Gas-Phase Hydrogen Chloride Electrolysis with Oxygen Depolarized Cathode
J. Electrochem. Soc. 163 (2016) F988-F997
dx.doi.org/10.1149/2.0261609jes

Wolf, A.; Turek, T.; Mleczko, L.
Structured Raney Ni Catalysts for Liquid-Phase Hydrogenation
Chem. Eng. Technol. (2016)
dx.doi.org./10.1002/ceat.201600111

Bockelmann, M.; Kunz, U.; Turek, T.
Electrically rechargeable zinc-oxygen flow battery with high power density
Electrochem. Comm. 69 (2016) 24-27
dx.doi.org/10.1016/j.elecom.2016.05.013

Goldnik, E.; Turek, T.
Removal of hydrogen sulfide by permanganate based sorbents: Experimental investigation and reactor modeling
Chem. Eng. Sci. 151 (2016) 51-63
dx.doi.org/10.1016/j.ces.2016.04.059

Kuwertz, R.; Gonzalez Martinez, I.; Vidakovic'-Koch, T.; Sundmacher, K.; Turek, T.; Kunz, U.
Material development and process optimization for gas-phase hydrogen chloride electrolysis with oxygen depolarized cathode
J. Appl. Electrochem. 46 (2016) 755-767
dx.doi.org/10.1007/s10800-016-0966-9

Schöß, M.A.; Schulenburg, F.; Turek, T.
Oxidation of copper at high temperature as an example for gas-solid reactions in a downer reactor - experiments and model-based analysis
Chem. Eng. Sci. 151 (2016) 116-129
dx.doi.org/10.1016/j.ces.2016.05.004

Becker, H.; Güttel, R.; Turek, T.
Improving the Accessibility of Fischer-Tropsch Synthesis Catalysts by Insertion of Transport Pores
In: B.H. Davis, M.L. Occelli (Eds.), Fischer-Tropsch Synthesis, Catalysts, and Catalysis. Advances and Applications
CRC Press, Boca Raton, 2016

Becker, M.; Bredemeyer, N.; Tenhumberg, N.; Turek, T.
Polarization curve measurements combined with potential probe sensing for determining current density distribution in vanadium redox-flow batteries
J. Power Sources 307 (2016) 826 – 833
dx.doi.org/10.1016/j.jpowsour.2016.01.011

Goldnik, E.; Turek, T.
Herstellung und Charakterisierung von reaktiven Adsorbentien – Untersuchungen zum Reaktionsablauf
Chem. Ing. Tech. 86 (2016) 258-263
dx.doi.org/10.1002/cite.201500111

Aoun, N.; Schlange, A.; dos Santos, A.R.; Kunz, U.; Turek, T.
Effect of the OH−/Pt Ratio During Polyol Synthesis on Metal Loading and Particle Size in DMFC Catalysts
Electrocatalysis 7 (2016) 13-21
dx.doi.org/10.1007/s12678-015-0275-9

Blumenthal, L.C.; Jens, C.M.; Ulbrich, J.; Schwering, F.; Langrehr, V.; Turek, T.; Kunz, U.; Leonhard, K.; Palkovits, R.
Systematic Identification of Solvents Optimal for the Extraction of 5-Hydroxymethylfurfural from Aqueous Reactive Solutions
ACS Sustainable Chem. Eng. 4 (2016) 228-235
dx.doi.org/10.1021/acssuschemeng.5b01036

Becker, H.; Güttel, R.; Turek, T.
Experimental evaluation of catalyst layers with bimodal pore structure for Fischer–Tropsch synthesis
Catal. Today 275 (2016) 155-163
dx.doi.org/10.1016/j.cattod.2015.11.009

Minke, C.; Hickmann, T.; dos Santos, A.R.; Kunz, U.; Turek, T.
Cost and performance prospects for composite bipolar plates in fuel cells and redox flow batteries
J. Power Sources 305 (2016) 182-190
dx.doi.org/10.1016/j.jpowsour.2015.11.052

Kuwertz, R.; Kirstein, C.; Turek, T.; Kunz, U.
Influence of acid pretreatment on ionic conductivity of Nafion® membranes
J. Membr. Sci. 500 (2016) 225-235
dx.doi.org/10.1016/j.memsci.2015.11.022

Lesser, D.; Mestl, G.; Turek, T.
Transient behavior of vanadyl pyrophosphate catalysts during the partial oxidation of n-butane in industrial-sized, fixed bed reactors
Appl. Catal. A: General 510 (2016) 1–10
dx.doi.org/10.1016/j.apcata.2015.11.002

Becker, H.; Güttel, R.; Turek, T.
Enhancing internal mass transport in Fischer-Tropsch catalyst layers utilizing transport pores
Catal. Sci. Technol. 6 (2016) 275-287
dx.doi.org/10.1039/C5CY00957J

Güttel, R.; Turek, T.
Improvement of Fischer–Tropsch Synthesis through Structuring on Different Scales
Energy Technology 4 (2016) 44-4
dx.doi.org/10.1002/ente.201500257

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2015

Shi, L.; Kunz, U.
Characterizing the Mechanical and Electrochemical Behavior of Preloaded Electrodes in Lithium Ion Pouch Cells
ECS Transactions 69 (32) (2015) 9-27
dx.doi.org/10.1149/06932.0009ecst

Grimm, H.; Kunz, U.
Continuous fuel cell catalyst preparation in a directly electrically heated tubular reactor
Chem. Eng. Technol. 38 (2015) 1758–1764
dx.doi.org/10.1002/ceat.201400767

Güttel, R.; Eisenbeis, C.; Knochen, J.; Turek, T.
Monolithic Honeycombs in Loop Reactor Configuration for Intensification of Multiphase Processes
Chem. Eng. Technol. 38 (2015) 1726-1732
dx.doi.org/10.1002/ceat.201400727

Schaub, G.; Turek, T.
Zukunftsfähige Techniken zur Energiewandlung und -nutzung - Orientierung und Beispiele
In: M. Maring (Hrsg.), Vom Praktisch-Werden der Ethik in interdisziplinärer Sicht
KIT Scientific Publishing, Karlsruhe, 2015

Chavan, N.; Pinnow, S.; Polcyn, G.D.; Turek, T.
Non-isothermal model for an industrial chlor-alkali cell with oxygen-depolarized cathode
J. Appl. Electrochem. 45 (2015) 899-912
dx.doi.org/10.1007/s10800-015-0831-2

Minke, C.; Turek, T.
Economics of vanadium redox flow battery membranes
J. Power Sources 286 (2015) 247-257
dx.doi.org/10.1016/j.jpowsour.2015.03.144

Yilmaz, C.; Güttel, R.; Turek, T.
Nullemissionen-Kraftwerk zur stofflichen Energiespeicherung sowie Strom- und Wärmeerzeugung
Chem. Ing. Tech. 87 (2015) 419-425
dx.doi.org/10.1002/cite.201400166

Kruse, N.; Machoke, A. G.; Schwieger, W.; Güttel, R.
Nanostructured Encapsulated Catalysts for Combination of Fischer-Tropsch Synthesis and Hydroprocessing
ChemCatChem 7 (2015) 1018-1022
dx.doi.org/10.1002/cctc.201403004

Güttel, R.
Structuring of Reactors and Catalysts on Multiple Scales: Potential and Limitations for Fischer-Tropsch Synthesis as Example
Chem. Ing. Tech. 87 (2015) 694-701.
dx.doi.org/10.1002/cite.201400107

Machoke, A. G.; Beltrán, A. M.; Inayat, A.; Winter, B.; Weissenberger, T.; Kruse, N.; Güttel, R.; Spiecker, E.; Schwieger, W.
Micro/Macroporous System: MFI-type zeolite crystals with embedded macropores
Advanced Materials 27 (2015) 1066–1070
dx.doi.org/10.1002/adma.201404493

Chromik, A.; dos Santos, A.R.; Turek, T.; Kunz, U.; Häring, T.; Kerres, J.
Stability of acid-excess acid-base blend membranes in all-vanadium redox-flow batteries
J. Membrane Sci. 476 (2015) 148-155
dx.doi.org/10.1016/j.memsci.2014.11.036

Bacher, V.; Perbandt, C.; Schwefer, M.; Siefert, R.; Pinnow, S.; Turek, T.
Kinetics of ammonia consumption during the selective catalytic reduction of NOx over an iron zeolite catalyst
Appl. Catal. B: Environ. 162 (2015) 158-166
dx.doi.org/10.1016/j.apcatb.2014.06.039

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2014

Minke, C.; Turek, T.
Technology cycle analysis for emerging technologies on the example of the vanadium redox flow battery
IEEE WAC (2014) 382-387
dx.doi.org/10.1109/WAC.2014.6935957

Schöß, M.A.; Redenius, A.; Turek, T.; Güttel, R.
Chemische Speicherung regenerativer elektrischer Energie durch Methanisierung von Prozessgasen aus der Stahlindustrie
Chem. Ing. Tech. 86 (2014) 734-739
dx.doi.org/10.1002/cite.201300086

Becker, H.; Güttel, R.; Turek, T.
Optimization of Catalysts for Fischer-Tropsch Synthesis by Introduction of Transport Pores
Chem. Ing. Tech. 86 (2014) 544-549
dx.doi.org/10.1002/cite.201300142

Bacher, V.; Perbandt, C.; Schwefer, M.; Siefert, R.; Turek, T.
Corrigendum to “Kinetics of the NO/NO2 equilibrium reaction over an iron zeolite catalyst” [Appl. Catal. B: Environ. 134–135 (2013) 55–59]
Appl. Catal. B: Environ. 148–149 (2014) 607
dx.doi.org/10.1016/j.apcatb.2012.12.042

Gonzalez Martinez, I.; Vidakovic'-Koch, T.; Kuwertz, R.; Kunz, U.; Turek, T.; Sundmacher, K.
Analysis of a novel chlorine recycling process based on anhydrous HCl oxidation
Electrochim. Acta 123 (2014) 387– 394
dx.doi.org/10.1016/j.electacta.2014.01.050

Voelskow, K.; Becker, M.J.; Xia, W.; Muhler, M.; Turek, T.
The Influence of Kinetics, Mass Transfer and Catalyst Deactivation on the Growth Rate of Multiwalled Carbon Nanotubes from Ethene on a Cobalt-Based Catalyst
Chem. Eng. J. 244 (2014) 68-74
dx.doi.org/10.1016/j.cej.2014.01.024

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2013

Gonzalez Martinez, I.; Vidakovic'-Koch, T.; Kuwertz, R.; Kunz, U.; Turek, T.; Sundmacher, K.
Kinetics of the hydrogen chloride oxidation
J. Serb. Chem. Soc. 78 (2013) 2115-2130
dx.doi.org/10.2298/JSC131119142G

Güttel, R.
Study of Unsteady-State Operation of Methanation by Modeling and Simulation
Chem. Eng. Technol. 36 (2013) 1675-1682
dx.doi.org/10.1002/ceat.201300223

Voelskow, K.; Nickelsen, L.; Becker, M.J.; Xia, W.; Muhler, M.; Kunz, U.; Weber, A.P.; Turek, T.
Optical investigation of carbon nanotube agglomerate growth on single catalyst particles
Chem. Eng. J. 234 (2013) 74-79
dx.doi.org/10.1016/j.cej.2013.08.068

Kuwertz, R.; Gonzalez Martinez, I.; Vidakovic'-Koch, T.; Sundmacher, K.; Turek, T.; Kunz, U.
Energy-efficient chlorine production by gas-phase HCl electrolysis with oxygen depolarized cathode
Electrochem. Comm. 34 (2013) 320-322
dx.doi.org/10.1016/j.elecom.2013.07.035

Knobloch, C.; Güttel, R.; Turek, T.
Holdup and Pressure Drop in Micro Packed-Bed Reactors for Fischer-Tropsch Synthesis
Chem. Ing. Tech. 85 (2012) 455 - 460
dx.doi.org/10.1002/cite.201200202

Perbandt, C.; Bacher, V.; Groves, M.; Schwefer, M.; Siefert, R.; Turek, T.
Kinetics and Reactor Design for N2O Decomposition in the EnviNOx® Process
Chem. Ing. Tech. 85 (2013) 705-709
dx.doi.org/10.1002/cite.201200163

Güttel, R.; Ziegenbalg, D.; Greiner, L.
Technische Chemie 2012
Nachrichten aus der Chemie 61 (2013) 352-358
dx.doi.org/10.1002/nadc.201390093

Becker, M. J.; Xia, W.; Xie, K.; Dittmer, A.; Voelskow, K.; Turek, T. ; Muhler, M.
Separating the initial growth rate from the rate of deactivation in the growth kinetics of multi-walled carbon nanotubes from ethene over a cobalt-based bulk catalyst in a fixed-bed reactor
Carbon 58 (2013) 107-115
dx.doi.org/10.1016/j.carbon.2013.02.038

Becker, H.; Turek, T.; Güttel, R.
Study of temperature-programmed calcination of cobalt-based catalysts under NO-containing atmosphere
Catal. Today 215 (2013) 8-12
dx.doi.org/10.1016/j.cattod.2012.12.013

Bacher, V.; Perbandt, C.; Schwefer, M.; Siefert, R.; Turek, T.
Kinetics of the NO/NO2 equilibrium reaction over an iron zeolite catalyst
Appl. Catal. B: Environmental 134–135 (2013) 55–59
dx.doi.org/10.1016/j.apcatb.2012.12.042

Darwish, M. S. A.; Kunz, U.; Peuker, U.
Hydrophilic functionalized bi-layered polymer magnetic core/shell: preparation and characterization
Advanced Materials Research 622-623 (2013) 254-258
dx.doi.org/10.4028/www.scientific.net/AMR.622-623.254

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1991-2012

Darwish, M.S.A.; Kunz, U.; Peuker, U.
Preparation and catalytic use of platinum in magnetic core/shell nanocomposites
J. Appl. Polym. Sci. (2012)
dx.doi.org/10.1002/app.38864

Thormann, J.; Pfeifer, P.; Kunz, U.
Dynamic performance of hexadecane steam reforming in a microstructured reactor
Chemical Engineering Journal 191 (2012) 410-415
dx.doi.org/10.1016/j.cej.2011.08.011

Schaub, G.; Turek, T.
Globale Stoffkreisläufe als Teil der natürlichen Lebensgrundlagen
In: M. Maring (Hrsg.), Globale öffentliche Güter in interdisziplinären Perspektiven
KIT Scientific Publishing, Karlsruhe, 2012

Vidakovic-Koch, T.; Martinez, I. G.; Kuwertz, R.; Kunz, U.; Turek, T.; Sundmacher, K.
Electrochemical Membrane Reactors for Sustainable Chlorine Recycling
Membranes 2(3) (2012) 510-528
dx.doi.org/10.3390/membranes2030510

Diedenhoven, J.; Reitzmann, A.; Mestl, G.; Turek, T.
A Model for the Phosphorus Dynamics of VPO Catalysts during the Selective Oxidation of n-Butane to Maleic Anhydride in a Tubular Reactor
Chem. Ing. Tech. 84 (2012) 517-523
dx.doi.org/10.1002/cite.201100248

Schlange, A.; Dos Santos, A.R.; Hasse, B.; Etzold, B.J.M., Kunz, U.; Turek, T.
Titanium carbide-derived carbon as a novel support for platinum catalysts in DMFC application
J. Power Sources 199 (2012) 22-28
dx.doi.org/10.1016/j.jpowsour.2011.09.107

Moussallem, I.; Pinnow, S.; Turek, T.
Development of high-performance silver-based gas-diffusion electrodes for chlor-alkali electrolysis with oxygen depolarized cathodes
Chemical Engineering & Processing: Process Intensification 52 (2012) 125-131
dx.doi.org/10.1016/j.cep.2011.11.003

Harting, K.; Kunz, U.; Turek, T.
Zinc-air batteries: prospects and challenges for future improvement
Z. Phys. Chem. 226 (2012) 1-16
dx.doi.org/10.1524/zpch.2012.0152

McBride, K.; Turek, T,; Güttel, R.
Direct Dimethyl Ether Synthesis by Spatial Patterned Catalyst Arrangement: A Modeling and Simulation Study
AIChE J. 58(11) (2012) 3468-3473
dx.doi.org/10.1002/aic.13730

Schlange, A.; Dos Santos, A. R.; Kunz, U.; Turek, T.
Continuous preparation of carbon-nanotube-supported platinum catalysts in a flow reactor directly heated by electric current
Beilstein J. Org. Chem. 7 (2011) 1412-1420
dx.doi.org/10.3762/bjoc.7.165

Zeng, L.; Turek, T.; Weber, A.P.
Spillover-bedingte Reichweite von aktivierten Sauerstoffatomen in der katalytischen Rußoxidation an Nanopartikel-Schichtsystemen
Chem. Ing. Tech. 83 (2011) 1276-1281
dx.doi.org/10.1002/cite.201100008

Pinnow, S.; Chavan, N.; Turek, T.
Thin-film flooded agglomerate model for silver-based oxygen depolarized cathodes
J. Appl. Electrochem. 41 (2011) 1053-1064
dx.doi.org/10.1007/s10800-011-0311-2

Jörissen, J.; Turek, T.; Weber, R.
Chlorherstellung mit Sauerstoffverzehrkathoden
Chemie in unserer Zeit 45 (2011) 172-183
dx.doi.org/10.1002/ciuz.201100545

Marx, R.; Wölk, H.-J.; Mestl, G.; Turek, T.
Reaction scheme of o-xylene oxidation on vanadia catalyst
Appl. Catal. A: General 398 (2011) 37-43
dx.doi.org/10.1016/j.apcata.2011.03.006

Pfeuffer, B.; Kunz, U.; Hoffmann, U.; Turek, T.; Hoell, D.
Heterogeneous reactive extraction for secondary butyl alcohol liquid phase synthesis: Microkinetics and equilibria
Chem. Eng. Sci. 66 (2011) 777-787
dx.doi.org/10.1016/j.ces.2010.11.040

Schaub, G.; Turek, T.
Energy Flows, Material Cycles and Global Development
Springer-Verlag, Berlin 2011

Darwish, M. S. A.; Machunsky, S.; Peuker, U.; Kunz, U.; Turek, T.
Magnetite core-shell nano-composites with chlorine functionality: preparation by miniemulsion polymerization and characterization
J. Polym. Res. 18 (2011) 79-88
dx.doi.org/10.1007/s10965-010-9393-5

Darwish, M. S. A.; Peuker, U.; Kunz, U.; Turek, T.
Bi-layered polymer–magnetite core/shell particles: synthesis and characterization
J. Mater. Sci. 46 (2011) 2123-2134
dx.doi.org/10.1007/s10853-010-5048-5

Knochen, J.; Kunz, U.; Turek, T.; Arndt, S.; Scholl,S.; Kampen, I.; Vielkind, M.; Kwade, A.; Ceylan, S.; Kirschning, A.
μ-Consortium: Aufbau einer mobilen Anlage für die Aus- und Weiterbildung in der Mikroverfahrenstechnik
Chem. Ing. Tech. 82 (2010) 1799-1806
dx.doi.org/10.1002/cite.201000074

Knochen, J.; Güttel, R.; Knobloch, C.; Turek, T.
Fischer–Tropsch synthesis in milli-structured fixed-bed reactors: Experimental study and scale-up considerations
Chemical Engineering and Processing 49 (2010) 958–964
dx.doi.org/10.1016/j.cep.2010.04.013

Sakthivel, M.; Schlange, A.; Kunz, U.; Turek, T.
Microwave assisted synthesis of surfactant stabilized platinum/carbon nanotube electrocatalysts for direct methanol fuel cell applications
J. Power Sources 195 (2010) 7083-7089
dx.doi.org/10.1016/j.jpowsour.2010.05.002

Guettel, R.; Turek, T.
Assessment of micro-structured fixed-bed reactors for highly exothermic gas-phase reactions
Chem. Eng. Sci. 65 (2010) 1644–1654
dx.doi.org/10.1016/j.ces.2009.11.002

Cursaru, D.; Kunz, U.
Kinetic Investigation on Direct Hydration of n-butene in a Multiphase Reactor
Rev. Chim. 61 (2010) 1245-1253

Kunz, U.; Turek, T.
Flow through reactors for organic chemistry: directly electrically heated tubular mini reactors as an enabling technology for organic synthesis
Beilstein J. Org. Chem. 5 (2009) 70

Eisenbeis, C.; Guettel, R.; Kunz, U.; Turek, T.
Monolith loop reactor for hydrogenation of glucose
Catal. Today 147 Supplement 1 (2009) S342-S346

Pfeuffer, B.; Kunz, U.; Hoffmann, U.; Turek, T.; Hoell, D.
Heterogeneous reactive extraction for an intensified alcohol production process
Catal. Today 147 Supplement 1 (2009) S357-S361

Pfeuffer, B.; Kunz, U.; Hoffmann, U.; Turek, T.
Multicomponent Mass Transfer Model for Supercritical Extraction: Application to Isopropyl Alcohol Production
Chem. Eng. Process. 32 (2009) 1384-1391

Thormann, J.; Maier, L.; Pfeifer, P.; Kunz, U.; Deutschmann, O.; Schubert, K.
Steam reforming of hexadecane over a Rh/CeO2 catalyst in microchannels: Experimental and numerical investigation
Int. Journal of Hydrogen Energy 34 (2009) 5108-5120

Deutschmann, O.; Knözinger, H.; Kochloefl, K.; Turek, T.
Heterogeneous Catalysis and Solid Catalysts
Ullmann's Encyclopedia of Industrial Chemistry, Electronic Release, 7th ed., Wiley-VCH Verlag, Weinheim, 2009

Moussallem, I.; Pinnow, S.; Turek, T.
Möglichkeiten zur Energierückgewinnung aus Wasserstoff bei der Chlor-Alkali-Elektrolyse
Chem. Ing. Tech. 81 (2009) 489-493

Güttel, R.; Turek, T.
Mikrostrukturierte Festbettreaktoren für stark exotherme Gasphasenreaktionen: Eine Machbarkeitsstudie
Chem. Ing. Tech. 81 (2009) 495-500

Güttel, R.; Turek, T.
Comparison of Different Reactor Types for Low Temperature Fischer-Tropsch Synthesis: A Simulation Study
Chem. Eng. Sci. 64 (2009) 955-964

Güttel, R.; Knochen, J.; Kunz, U.; Kaßing, M.; Turek, T.
Preparation and Catalytic Evaluation of Cobalt-Based Monolithic and Powder Catalysts for Fischer-Tropsch Synthesis
Ind. Eng. Chem. Res. 47 (2008) 6589-6597

Moussallem, I.; Jörissen, J.; Kunz, U.; Pinnow, S.; Turek, T.
Chlor-Alkali Electrolysis with Oxygen Depolarized Cathodes: History, Present Status and Future Prospects
J. Appl. Electrochem. 38 (2008) 1177-1194

Güttel, R.; Kunz, U.; Turek, T.
Reactors for Fischer-Tropsch synthesis
Chem. Eng. Technol. 31 (2008) 746-754

Mennecke, K.; Cecilia, R.; Glasnov, T.N.; Gruhl, S.; Vogt, C.; Feldhoff, A.; Larrubia Vargas, M.A.; Kappe, C.O.; Kunz, U.; Kirschning, A.
Palladium(0) Nanoparticles on Glass-Polymer Composite Materials as Recyclable Catalysts: A Comparison Study on their Use in Batch and Continuous Flow Processes
Adv. Synth. Catal. 350 (2008) 717-730

Thormann, J.; Pfeifer, P.; Kunz, U.; Schubert, K.
Reforming of Diesel Fuel in a Micro Reactor
Int. J. Chem. React. Eng. 6 (2008) P1

Thormann, J.; Pfeifer, P.; Schubert, K.; Kunz, U.
Reforming of diesel fuel in a micro reactor for APU systems
Chem. Eng. J. 135S (2007) S74-S81

Hickstein, B.; Cecilia, R.; Kirschning, A.; Kunz, U.; Peuker, U.A.
Magnetisierbare Funktionspartikel für die festphasenunterstützte Synthese am Beispiel einer Transferhydrierungsreaktion
Chem. Ing. Tech. 79 (2007) 2089-2097

Dräger, G.; Kiss, C.; Kunz, U.; Kirschning, A.
Enzyme-purification and catalytic transformations in a microstructured PASSflow reactor using a new tyrosine-based Ni-NTA linker system attached to a polyvinylpyrrolidinone-based matrix
Org. Biomol. Chem. 5 (2007) 3657-3664

Weißenborn, A.; Langefeld, O.; Kunz, U.
Brennstoffzellen für den Einsatz im Bergbau - Innovative Technik mit hohem Potential
Aggregates International 6 (2007) 24-28

Cecilia, R.; Kunz, U.; Turek, T.
Possibilities of process intensification using microwaves applied to catalytic microreactors
Chem. Eng. Process. 46 (2007) 870-881

Solodenko, W.; Jas, G.; Kunz, U.; Kirschning, A.
Continuous enantioselective kinetic resolution of terminal epoxides using immobilized chiral cobalt-salen complexes
Synthesis 4 (2007) 583-589

Güttel, R.; Kunz, U.; Turek, T.
Reaktoren für die Fischer-Tropsch-Synthese
Chem. Ing. Tech. 79 (2007) 531-543

Gläser, R.; Turek, T.; Kamm, B.; Wach, W.
Technische Chemie 2006
Nachrichten aus der Chemie 55 (2007) 297-305

Kunz, U.; Peuker, U.; Turek, T.; Estenfelder, M.
Design of Heterogeneous Catalysts
In: Bröckel, U.; Meier, W.; Wagner, G. (Hrsg.), Product Design and Engineering, Wiley-VCH, Weinheim, 2007

Michrowska, A.; Mennecke, K.; Kunz, U.; Kirschning, A.; Grela, K.
A new concept for the noncovalent binding of a ruthenium-based olefin metathesis catalyst to polymeric phases: Preparation of the catalyst on Raschig rings
J. Am. Chem. Soc. 128 (2006) 13261-13267

Brochwitz, C.; Feldhoff, A.; Kunz, U.; Vaultier, M.; Kirschning, A.
Comparison and evaluation of two immobilisation techniques for task specific onium salts (TSOS) in Mizoroki-Heck cross coupling reactions
Lett. Org. Chem. 3 (2006) 442-446

Horst, C.; Kunz, U.; Hoffmann, U.
Reactive comminution
In: Sundmacher, K.; Kienle, A.; Seidel-Morgenstern, A. (Editors),
Integrated Chemical Processes. Synthesis, Operation, Analysis and
Control, Wiley-VCH, Weinheim, 2005

Jas, G., Kunz, U., Schmalz, D.
Microreactor technology for organic synthesis
In: Afonso, C.A.M.; Crespo, J.P.S.G. (Editors), Green Separation Processes: Fundamentals and Applications, Wiley-VCH, Weinheim, 2005

Mennecke, K.; Grela, K.; Kunz, U.; Kirschning, A.
Immobilization of the Grubbs III Olefin Metathesis Catalyst with Polyvinyl Pyridine (PVP)
Synlett 19 (2005) 2948-2952

Kunz, U.; Schönfeld, H.; Solodenko, W.; Jas, G.; Kirschning, A.
Manufacturing and Construction of Pass/flow/ Flow Reactors and their Utilization in Suzuki-Miyaura Cross-coupling Reactions
Ind. Eng. Chem. Res. 44 (2005) 8458-8467

Kunz, U.; Kirschning, A.; Wen, H.-L.; Solodenko, W.; Cecilia, R.; Kappe, C.O.; Turek, T.
Monolithic Polymer/Carrier Materials: Versatile Composites for Fine Chemical Synthesis
Catal. Today 105 (2005) 318-324

Turek, T.
Kinetic Oscillations during the Catalytic Decomposition of Nitrous Oxide
Catal. Today 105 (2005) 275-282

Schmalz, D.; Häberl, M.; Oldenburg, N.; Grund, M.; Muntermann, H.; Kunz, U.
Potenzialabschätzung der Mikroreaktionstechnik für den Einsatz in der Prozessentwicklung
Chem. Ing. Tech. 77 (2005) 859-866

Roy, S.; Bauer, T.; Al-Dahhan, M.; Lehner, P.; Turek, T.
Monoliths as Multiphase Reactors: A Review
AIChE J. 50 (2004) 2918-2938

Lindermeir, A.; Rosenthal, G.; Kunz, U.; Hoffmann, U.
Improvement of MEAs for Direct Methanol Fuel Cells by Tuned Layer Preparation and Coating Technology
Fuel Cells 4 (2004) 78-85

Lindermeir, A.; Rosenthal, G.; Kunz, U.; Hoffmann, U.
On the question of MEA preparation for DMFCs
Journal of Power Sources 129 (2004) 180-187

Schönfeld, H., Hunger, K., Cecilia ,R., Kunz, U.
Enhanced mass transfer using a novel polymer/carrier microreactor.
Chemical Engineering Journal 101 (2004) 455-463

Solodenko, W.; Wen, H.; Leue, S.; Stuhlmann, F.; Sourkouni.Argirusi, G.; Jas, G.;
Schönfeld, H.; Kunz, U. and Kirschning, A.
Development of a Continuous-Flow System for Catalysis with Palladium(0) Particles
Eur. J. Chem. (2004) 3601-3610

Lindermeir, A.; Horst, C.; Hoffmann, U.
Ultrasound assisted electrochemical oxidation of substituted toluenes
Ultrasonics-Sonochemistry 10 (2003) 223-229

Lindermeir, A.; Mecklenburg, A.; Rosenthal, G.; Kunz, U.; Hoffmann,U.:
Investigations of catalytic activity of nonnoble metal catalysts for the electrochemical
reduction of oxygen
Chemical Engineering & Technology 26 (2003) 561-564

Schönfeld, H.; Cecilia, R.; Kunz, U.
Reaktionstechnische Untersuchungen und kinetische Modellierung monolithischer Mikroreaktoren mit neuartigen Polymer/Träger-Festphasenreaktanden.
Chemie Ingenieur Technik 75 (2003) 1345-1351

Kunz, U.; Schönfeld, H.; Kirschning, A.; Solodenko, W.:
Polymer/carrier composites as materials and reactors for organic synthesis.
Journal of Chromatography A 1006 (2003) 241-249

Lindermeir, A.; Mecklenburg, A.; Rosenthal, G.; Kunz, U.; Hoffmann, U.
Untersuchung der katalytischen Aktivität von Nichtedelmetall-Katalysatoren zur
elektrochemischen Sauerstoffreduktion
Chemie Ingenieur Technik 74 (2002) 788-791

Löning, J. M.; Horst, C.; Hoffmann, U.
Investigations on the Energy Conversion in Sonochemical Processes.
Ultrasonics-Sonochemistry 9 (2002) 169-179

Solodenko, W., Kunz, U., Jas, G., Kirschning, A.
Polymer assisted Horner/Emmons olefination using PASSflow reactors: Pure products without
Purification.
Biorganic and Medicinal Chemistry Letters 12 (2002) 1833-1835

Limbeck, U.; Altwicker, C.; Kunz, U.; Hoffmann, U.
Rate expression for THF-synthesis on acidic ion exchange resin.
Chemical Engineering Science 56 (2001) 2171-2178

Löning, J. M.; Horst, C.; Hoffmann, U.
On the question of the technical synthesis of aluminium alkoxides.
Chemical Engineering & Technology 24, (2001) 1189-1191

Kirschning, A.; Altwicker, C.; Dräger, G.; Harders, J.; Hoffmann, N.; Hoffmann, U.; Schönfeld, H.;
Solodenko, W.; Kunz, U.
PASSflow syntheses using functionalized monolithic polymer/glass-compsites in flowthrough microreactors
Angew. Chem. Int. Ed. 40 (2001) 3995-3998

Löning, S.; Horst, C.; Hoffmann, U.
Dewatering of solvent mixtures - comparision between conventional technologies and a new one.
Chemical Engineering & Technology 24 (2001) 242-245

Kunz, U.; Altwicker, C.; Limbeck, U.; Hoffmann, U.
Improvement of active site accessibility of resin catalysts by polymer/carrier composites: Development and characterisation of monolithic catalytic chromatographic reactors.
J. Mol. Catal. A, Chemical 177 (2001) 21-32

Hoffmann, U.; Kunz, U.; Hamelmann, R.
Gasdiffusionselektroden kontinuierlich herstellen.
Chemie Anlagen Verfahren 10 (2001) 46-48

Reinhold, M.; Horst, C.; Hoffmann, U.
Experimental and theoretical investigation of a spray dryer with simultaneous chemical reaction.
Chemical Engineering Science 56 (2001) 1657-1665

Kunz, U.; Kirschning, A.
A new microreactor for the solution-phase synthesis of potential drugs.
5th International Conference on Microreaction Technology,
IMRET 5, May 27-30, 2001, Strasbourg
M. Matlosz, W. Ehrfeld, J. P. Baselt (Eds).: "Microreaction Technology"
Springer Verlag (2001), 424-445
ISBN 3-540-42498-9

Löning, S.; Horst, C.; Hoffmann, U.
Entwässerung von Lösungsmittelgemischen - Ein Vergleich etablierter mit einem neuen Verfahren.
Chemie Ingenieur Technik 72 (2000) 386-390

Schwarzer, S.; Horst, C.; Kunz, U.; Hoffmann, U.
Revision of microkinetic approaches to the liquid-phase synthesis of Ethyl tert-Butyl Ether (ETBE).
Chemical Engineering & Technology 23 (2000) 417-421

Löning, S.; Horst, C.; Hoffmann, U.
Theoretical investigations on the quaternary system n-Butanol, Butyl Acetate, Acetic Acid and Water.
Chemical Engineering & Technology 23 (2000) 789 - 794

Mecklenburg, A.; Kunz, U.;Hoffmann, U.
Optimierung der Zerkleinerung von Ferrosilicium 90 in einer Reaktionsschwingmühle.
Chemie Ingenieur Technik 72, (2000), 264-267

Mecklenburg, A.; Kunz, U.; Hoffmann, U.
Optimization of the comminution of metallurgical grade (MC) silicon in a vibration mill.
Chemical Engineering & Technol. 2 (2000) 863-867

Kalvelage, H.; Mecklenburg, A.; Kunz, U.; Hoffmann, U.
Electrochemical reduction of oxygen at pyrolyzed iron and cobalt N4-chelates on carbon black supports.
Chemical Engineering & Technology 23 (2000) 803-807

Dietz, P.; Hoffmann, U.; Schönert, K.; Bock, U.; Kunz, U.
Reaktionsmühle
Konstruktion verfahrenstechnischer Maschinen, Springer Verlag 2000, 279-329

Hoffmann, U.; Kunz,U.; Barth, H.-J.
Kreislaufreaktor
Konstruktion verfahrenstechnischer Maschinen, Springer Verlag 2000, 330-365

Hoffmann, U.; Horst, C.
Ultraschallreaktoren
Konstruktion verfahrenstechnischer Maschinen, Springer Verlag 2000, 426-462

Hoffmann, U.; Dietz, P.; Kunz, U.
Reaktionsverdichter
Konstruktion verfahrenstechnischer Maschinen, Springer Verlag 2000, 463-488

Sundmacher, K.; Uhde, G.; Hoffmann, U.
Multiple Reactions in Catalytic Distillation Processes for the Production of the fuel Oxygenates MTBE and TAME: Analysis by Rigorous Model and Experimental Validation.
Chemical Engineering Science 54 (1999) 2839 - 2847

Sundmacher, K.; Hoffmann, U.
Design and Operation of a Membrane Reactor for Electrochemical Gas Purification.
Chemical Engineering Science 54 (1999) 2849-2858

Horst, C.; Kunz, U.; Rosenplänter, A.; Hoffmann, U
Activated solid-fluid reactions in ultrasound reactors.
Chemical Engineering Science 54 (1999) 2849-2858

Uhde, G.; Sundmacher, K.; Hoffmann, U.
Activity and Selectivity of Macroporous Ion Exchange Catalysts for the Etherification of Olefins.
Chemical Engineering & Technology 22 (1999) 33-37

Gravekarstens, M.; Hoffmann, U.
Einfluß der Dimerisierung von Isobuten auf die MTBE-Produktion bei der reaktiven Destillation.
Chemie Ingenieur Technik 71 (1999) 500-502

Gravekarstens, M.; Hoffmann, U.
Zeitreihenanalyse - Eine Möglichkeit, den Modellierungsaufwand hochkomplexer Systeme zu reduzieren.
Chemie Ingenieur Technik 71 (1999) 456-458

Mohl, K.-D.; Kienle, A.; Gilles, E.-D.; Rapmund, P.; Sundmacher, K.; Hoffmann, U.
Steady-state multiplicities in reactive distillation columns for the production of fuel ethers MTBE and TAME: theoretical analysis and experimental verification.
Chemical Engineering Science 54 (1999) 1029 - 1043

Koch, I.; Hannemann, F.; Hoffmann, U.
Dynamische Simulation von Stör- und Betriebsfällen für das Brennstoffsystem eines IGCC-Kraftwerks.
Chemie Ingenieur Technik 71 (1999)

Hoffmann, U.;Horst, C.; Wietelmann, U.; Bandelin, S.
Sonochemistry.
Ullmann´s Encyclopedia of Industrial Chemistry, Sixth Edition, 1999 Electronic Release; WILEY-VCH, Weinheim 1999

Schwarzer, S.; Kunz, U.; Hoffmann, U.
Reevaluation of Microkinetic Approaches to the Liquid Phase Synthesis of Ethyl tert-Butyl Ether.
Chemie Ingenieur Technik 71 (1999) 864-868

Rapmund, P.; Sundmacher, K.; Hoffmann, U.
Mehrfache stationäre Betriebszustände bei der Herstellung des Kraftstoffethers TAME durch Reaktivrektifikation, II. Experimentelle Validierung.
Chemie Ingenieur Technik 70 (1998) 527-531

Sundmacher, K.; Hoffmann, U.
Macrokinetic Analysis of Polarisation Characteristics of Gas-Diffusion Electrodes in Contact with Liquid Electrolytes, Part I: First Order Reactions
J. Appl. Electrochem. 28 (1998) 359-368

Rapmund, P.; Sundmacher, K.; Hoffmann, U.
Multiple Steady States in a Reactive Distillation Column for the Production of the Fuel Ether TAME - Part II: Experimental Validation.
Chemical Engineering & Technology 21 (1998) 136-139

Uhde, G.; Sundmacher, K.; Hoffmann, U.
Aktivität und Selektivität makroporöser Ionenaustauscher-Katalysatoren für die Veretherung von Olefinen.
Chemie Ingenieur Technik 70 (1998) 886-890

Kunz, U.
Entwicklung neuartiger Polymer/Träger-Ionenaustauscher als Katalysatoren für chemische Reaktionen in Füllkörperkolonnen.
CUTEC-Schriftenreihe Nr. 34 (1998) ISBN 3-89720-225-5

Sundmacher, K.; Künne, H.; Kunz, U.
Beitrag zur Gelphasendiffusion zum Stofftransport in geträgerten Ionenaustauscherkatalysatoren.
Chemie Ingenieur Technik 70 (1998) 267-271

Sundmacher, K.; Künne, H.; Kunz, U.
Contribution of Gel Phase Diffusion to Mass Transfer in Supported Ion Exchange Catalysts.
Chemical Engineering and Technology 21 (1998) 494-498

Reichl, A.; Daiminger, U.; Schmidt, A.; Davies, M.; Hoffmann, U.; Brinkmeier, C.; Reder, C.; Marquardt, W.
A Non-Recycle Flow Still for the experimental determination of vapor-liquid equilibria in reactive systems.
Fluid Phase Equilibria 153 (1998) 113-134

Thiel, C.; Sundmacher, K.; Hoffmann, U.
Residue Curve Maps for Heterogeneously Catalyzed Reactive Distillationof Fuel Ethers MTBE and TAME.
Chemical Engineering Science 52 (1997) 993-1005

Uhde, G.; Hoffmann, U.
Noncatalytic Gas-Solid Reaktions: Modelling of Simultaneous Reaction and Formation of Surface with a Nonisothermal Crackling Core Model.
Chemical Engineering Science 52 (1997) 1045-1054

Hoffmann, U.; Krummradt, H.; Rapmund, P.; Sundmacher, K.
Erzeugung des Kraftstoffethers TAME durch Reaktivdestillation.
Chemie Ingenieur Technik 69 (1997) 483 - 487

Hoffmann, U.; Sundmacher, K.
Multifunktionale Reaktoren.
Chemie Ingenieur Technik 69 (1997) 613-622

Thiel, C.; Sundmacher, K.; Hoffmann, U.
Synthesis of ETBE: Residue Curve Maps for the Heterogeneously Catalyzed Reactive Distillation Process.
Chemical Engineering Journal 66 (1997) 181-191

Bade, S.; Hoffmann, U.
Modelling of the simultaneous comminution and chemical reaction in non-catalytic gas-solid reactions.
Chemical Engineering Science 62 (1997) 2715-2728

Hoffmann, U.; Sundmacher, K.; Nowitzki, O.
Sauerstoffreduktion an Gasdiffusionselektroden mit Nichtedelmetall-Katalysatoren.
Chemie Ingenieur Technik 69 (1997)

Mohl, K.D.; Kienle, A.; Gilles, E.D.; Rapmund, P.; Sundmacher, K.; Hoffmann, U.
Nonlinear Dynamics of Reactive Distillation Processes for the Production of Fuel Ethers.
Computers Chemical Engineering 21 Suppl. (1997) 989-994

Hoffmann, U.; Kunz, U.; Krüger, J.; Binder, C.
ltrasound mixing in particulate precipitation reactions: Fine Solid Particles.
Schwerpunktprogramm der Deutschen Forschungsgemeinschaft (DFG) (1991-1997); Shaker Verlag, 1997, ISBN 3-8265-3050-0

Kunz, U.; Künne, H.; Hoffmann, U.
Synthesis of MTBE: Influence of crosslinking and polymer content on activity and selctivity of polymer/carrier ion exchange catalysts.
Erdöl-Erdgas-Kohle 113 (1997) 35-37

Sundmacher, K.; Nowitzki, O.; Hoffmann U.
Dynamic Simulation and Analysis of Reaction and Transport Processes During Oxygen Reduction at Gas-Diffusion-Electrodes.
Contemporary Trends in Electrochemical Engineering (Hrsg. I.Rousar), ISBN 80-7080-263-4, UTAX, Prag (1996), 172-179

Nowitzki, O.; Hamelmann, R.; Sundmacher, K.; Hoffmann, U.
Production of Gas-Diffusion-Electrodes loaded with Non-noble Metal Catalyst for Oxygen Reduction by a Calendering Rolling Process.
Contemporary Trends in Electrochemical Engineering (Hrsg. I. Rousar), ISBN 80-7080-263-4, UTAX, Prag (1996), 227-233

Sundmacher, K.; Hoffmann, U.
Development of a new catalytic distillation process for fuel ethers via a detailed nonequilibrium model.
Chemical Engineering Science 51 (1996) 2359-2368

Horst, C.; Chen, Y.-S.; Kunz, U.; Hoffmann, U.
Design, modeling and performance of a novel sonochemical reactor for heterogeneous reactions.
Chemical Engineering Science 51 (1996) 1837-1846

Chen, Y.-Sh.; Kunz, U.; Hoffmann, U.
Modell zur Berechnung der Schalldämpfung in einem Ultraschallreaktor.
Chemie Ingenieur Technik 68 (1996) 1287-1291

Thiel, C.; Hoffmann, U.
Zur Frage der chemischen Gleichgewichtslage der Synthese von tert-Amyl-methylether (TAME).
Chemie Ingenieur Technik 68 (1996) 1317-1320

Veit, M.; Hoffmann, U.
Reaktionsmühle für Flüssig/Fest-Umsetzungen zu Grignardverbindungen.
Chemie Ingenieur Technik 68 (1996) 1279-1282

Chen, Y.-S.; Kunz, U.; Hoffmann, U.
Einfluß von Mikrojets auf Feststoffe in Ultraschallreaktoren.
Chemie Ingenieur Technik 68 (1996) 1447-1452

Bade, S.; Hoffmann, U.; Schönert, K.
Mechano-chemical reaction of metallurgical grade silicon with gaseous hydrogenchloride in a vibration mill.
Int. J. Miner. Process 44-45 (1996) 167-179

Korsten, H.; Hoffmann, U.
A three-phase reactor model for hydrotreating in pilot trickle-bed reactors.
AIChE Journal 42 (1996) 1350-1360

Bade, S.; Hoffmann, U.
Development of a new reactor for combined comminution and chemical reaction.
Chemical Engineering Communications 143 (1996) 169-193

Uhde, G.; Hoffmann, U.
Magnetschwebewaage mit Temperaturmessung in der Probe.
Chemie Ingenieur Technik 68 (1996) 425-428

Oost, C.; Hoffmann, U.
The Synthesis of Tertiary Amyl Methyl Ether (TAME): Microkinetics of the Reactions.
Chemical Engineering Science 51 (1996) 329-340

Sundmacher, K.; Hoffmann, U.
Oscillative vapour-liquid transport phenomena in a packed reactive distillation column for fuel ether production.
The Chemical Engineering Journal 57 (1995) 219-228

Korsten, H.; Hoffmann, U.
Hydrotreating hochsiedender Erdölfraktionen in einer neuen Hochdruck-Pilotanlage.
Erdöl-Erdgas-Kohle 111 (1995) 468-473

Horst, C.; Chen, Y.-S.; Kunz, U.; Hoffmann, U.
Design of a sonoreactor for heterogeneous reactions.
Congress Proceedings, "World Congress on Ultrasonics", Berlin, 3.-7. September 1995
Vol.2, 695-698, ISBN 3-9805013-0-2

Chen, Y.-S.; Horst, C.; Kunz, U.; Hoffmann, U.
Method to determine the surface area change rate in heterogeneous reactions under the influence of ultrasound.
Congress Proceedings, "World Congress on Ultrasonics", Berlin, 3.-7. September 1995
Vol.2, 675-678, ISBN 3-9805013-0-2

Sundmacher, K.; Zhang, R.-S.; Hoffmann, U.
Mass Transfer Effects on Kinetics of Nonideal Liquid Phase Ethyl tert-Butyl Ether Formation.
Chemical Engineering & Technology 18 (1995) 269-277

Kunz, U.; Hoffmann, U.
Preparation of catalytic polymer/ceramic ionexchange packings for reactive distillation columns.
Preparation of Catalysts VI, 91 (1995) 299-309, ISBN 0-444-82078-7

Kunz, U.; Binder, C.; Hoffmann, U.
Preparation of fine particles as catalysts and catalyst precursors by the use of ultrasound during precipitation.
Preparation of Catalysts VI, 91 (1995) 869-879 ISBN 0-444-82078-7

Oost, C.; Sundmacher, K.; Hoffmann, U.
Synthesis of Tertiary Amyl Methyl Ether (TAME): Equilibrium of the Multiple Reactions.
Chemical Engineering & Technology 18 (1995) 110-117

Oost, C.; Hoffmann, U.
The Synthesis of Tertiary Amyl Methyl Ether (TAME): Influence of internal and external mass transfer resistance.
Chemical Engineering & Technology 18 (1995) 203-209

Sundmacher, K.; Rihko, L.K.; Hoffmann, U.
Classification of reactive distillation processes by dimensionless numbers.
Chem. Engng. Comm. 127 (1994) 151-167

Hoffmann, U.; Rieckmann, T.
Reduction of diesel particulate emissions by catalytic filtration.
Chemical Engineering & Technology 17 (1994) 149-160

Hoffmann, U.; Rieckmann, T.; Schädlich, K.
Minderung dieselmotorischer Emissionen durch Kombination von Kraftstoffadditiven mit keramischen Partikelfiltern.
Teil 1: Stand der technischen Entwicklung und Labortests.
Erdöl-Erdgas-Kohle 110 (1994) 163-170

Hoffmann, U.; Rieckmann, T.; Schädlich, K.
Minderung dieselmotorischer Emissionen durch Kombination von Kraftstoffadditiven mit keramischen Partikelfiltern.
Teil 2: Praxistests und Aktivitätsanalyse.
Erdöl-Erdgas-Kohle 110 (1994) 227-232

Sundmacher, K.; Hoffmann, U.
A Macrokinetic Analysis of MTBE Synthesis of Chemical Potentials.
Chemical Engineering Science 49 (1994) 3077-3089

Bade, S.; Hoffmann, U.
Umsetzung von Rohsilicium mit Chlorwasserstoff in einer Reaktionsmühle.
Chemie Ingenieur Technik 66 (1994) 66-69

Scholten, J.J.F.; Xu, X.; von der Decken, C.-B.; Höhlein, B.; Mausbeck, D.;Ross, J.R.H.; Slaa, S.; Hoffmann, U.; Kunz, U.; Stölting, H.
Development and screening of selective catalysts for the synthesis of clean liquid fuels.
International Journal of Energy Research 18 (1994) 185-196

Sundmacher, K.; Hoffmann, U.
Multicomponent mass and energy transport on different length scales in a packed reactive distillation column for heterogeneously catalyzed fuel ether production.
Chemical Engineering Science 49 (1994) 4443-4464

Ma, J.; Hoffmann, U.
Influence of Fuel-Additives on Combustion of Soot Deposits from Diesel Engine.
Journal of East China Institute of Chemical Technology 19 (1993) 88-93

Kießling, T.; Kunz, U.; Hoffmann, U.
Einsatzmöglichkeiten von Kreislaufreaktoren mit größerem Volumen.
Chemie Ingenieur Technik 65 (1993) 190-192

Sundmacher, K.; Hoffmann, U.
Activity Evaluation of a Catalytic Distillation Packing for MTBE-Production.
Chemical Engineering Science 16 (1993) 279-289

Küchen, C.; Hoffmann, U.
Investigation of simultaneous reaction of carbon monoxide and carbon dioxide with hydrogen on a commercial copper/zinc oxide catalyst.
Chemical Engineering Science 48 (1993) 3767-3776

Rieckmann, T.
Zur Frage der katalytischen Abgasreinigung von Dieselaggregaten.
CUTEC-Schriftenreihe No. 4 (1993), ISBN 3-298815-41-5

Schirmeister, R.; Hoffmann, U.
Trichlorosilane Chlorination in a Multiphase Multicomponent Photoreactor.
Chemical Engineering & Technology 15 (1992) 69-81

Flato, J.; Hoffmann, U.
Development and Start-up of a Fixed Bed Reaction Column for Manufacturing the Antiknock Enhancer MTBE.
Chemical Engineering & Technology 15 (1992) 193-201

Sundmacher, K.; Hoffmann, U.
Importance of Irreversible Thermodynamics for Liquid Phase Ion Exchange Catalysis: Experimental Verification for MTBE-Synthesis.
Chemical Engineering Science 47 (1992) 2733-2738

Hoffmann, U.; Dietz, P.
Zusammenwirken von Reaktionstechnik, Verfahrenstechnik und Maschinenbau bei der Entwicklung neuer chemischer Verfahren.
TU Clausthal, Mitteilungsblatt Verein von Freunden
Heft 73 (1992), 27-29

Hoffmann, U.; Rieckmann, T.; Ma, J.
Kinetic Study and Modelling of Diesel Particulate Filter Regeneration.
Chemical Engineering Science 46 (1991) 1101-1113

Claußen, M.; Kainer, H.; Kunz, U.; Hoffmann, U.
Apparatus for Steady-State Kinetics Measurements of the Catalytic Reduction of Nitric Oxide by Ammonia in Iron Oxide.
Chemical Engineering & Technology 14 (1991) 39-44

Claußen, M.; Kainer, H.; Kunz, U.; Hoffmann, U.
Development of Rate Expressions for the Catalytic Decomposition of Nitric Oxide with Ammonia on Iron Oxide.
Chemical Engineering & Technology 14 (1991) 113-117

Kunz, U.; Hoffmann, U.
Ein Mikro-Puls-Reaktor für das Katalysatorscreening bei Reaktionen unter höherem Druck.
Chemische Technik 43 (1991) 100-105

Everlien, G.; Hoffmann, U.
Reaction Kinetic Determination of Nitrogen Release from Ammonium Bearing Clays and Feldspars - Thermal Metamorphism as a Possible Source of Nitrogen in Natural Gas
Erdöl und Kohle, Erdgas, Petrochemie 44 (1991) 166-172

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Patente

Turek, T.; Kunz, U.; Becker, M.; Becker, H.; Bredemeyer, N.; Roosen, C.; Polcyn, G.D.; Toros, P.
Kohlenstoffelektrode und Verfahren und Vorrichtung zu ihrer Herstellung
WO 2016050598 A1 (2014)

Kohnz, H.; Urban, T.; Hoell, D.; Pfeuffer, B.; Hoffmann, U.; Kunz, U.
Improved water management for the production of isopropylalcohol by gas phase propylene hydration
EP 14166757 A1 (2014)

Kunz, U.; dos Santos, A.; Hickmann, T.
Bipolarplatte und Verfahren zu deren Herstellung
DE 102013114121 A1 (2014)

Kunz, U.; dos Santos, A.; Hickmann, T.
Rahmen mit integrierter Bipolarplatte
DE 102012024753 A1 (2013)

Kuwertz, R.; Kunz, U.; Turek, T.; Gonzalez Martinez, I.; Vidakovic-Koch, T.; Sundmacher, K.
Verfahren und Membranreaktor zur Herstellung von Chlor aus Chlorwasserstoffgas
DE 102013009230 A1 (2013)

Wölk, H.-J.; Marx, R.; Mestl, G.; Turek, T.
Verfahren zur Optimierung von Lagenlängen eines Phthalsäureanhydrid-Katalysators
DE 102013000647 A1 (2013)

Wölk, H.-J.; Marx, R.; Mestl, G.; Turek, T.; Reitzmann, R.
Verfahren zur Optimierung der Aktivmassenbeladung eines Phthalsäureanhydrid-Katalysators
DE 102013000648 A1 (2013)

Wölk, H.-J.; Marx, R.; Mestl, G.; Turek, T.
Verfahren zur Optimierung der Aktivität eines Phthalsäureanhydrid-Katalysators
DE 102013000654 A1 (2013)

Turek, T.; Moussallem, I.; Bulan, A.; Schmitz, N.; Weuta, P.
Sauerstoffverzehrkathode und Verfahren zu Ihrer Herstellung
EP 2397578 B1 (2011)

Kohnz, H.; Urban, T.; Hoell, D.; Pfeuffer, B.; Hoffmann, U.; Kunz, U.
Process for the production of lower alcohols by olefin hydration
EP 2208719 A1 (2010)

Turek, T.; Moussallem, I.
Structured Gas Diffusion Electrode for Electrolysis Cells
WO 2010078952 A2 (2010)

Turek, T.; Wolf, A.; Münnich, C; Meisel, R.-L.; Zimmermann, S.
Katalysatorformkörper, insbesondere zur Verwendung als Katalysatoren bei der Hydrierung
EP 1702681 A2 (2006)

Lehner, P.; Turek, T.; Brandt, M.; Buchholz, S.
Verfahren zur Herstellung von aromatischen Aminen durch heterogen katalysierte Hydrierung
EP 1524259 A1 (2005)

Kunz, U.; Kirschning, A.; Hoffmann, U.
Poröse Polymer-/Träger-Feststofphasenreaktanden und deren Verwendung
EP 1268566 B1 (2004)

Schwefer, M.; Maurer, M.; Turek, T.; Kögel, M.
Method for the Removal of NOx and N2O from the Residual Gas in Nitric Acid Production
EP 1268040 B1 (2004)

Schwefer, M.; Maurer, R.; Turek, T.
Removal of Laughing Gas in Nitric Acid Production
EP 1261547 B1 (2004)

Wöhrle, I.; Esser, P.; Reckziegel, A.; Brandt, M.; Klein, S.; Turek, T.
Verfahren zur Herstellung von Cycloalkadienen durch Metathesereaktion
EP 1288180 A2 (2003)

Wöhrle, I.; Esser, P.; Reckziegel, A.; Brandt, M.; Klein, S.; Turek, T.
Herstellungsverfahren von Cycloalkadienen in einer Metathesereaktion und Metathesekatalysatoren
EP 1288181 A2 (2003)

Schwefer, M.; Szonn, E.; Turek, T.
Method for Removal of NOx and N2O
WO 01/51181 A1 (2001)

Kunz, U.; Hoffmann, U, Buchhold, H., Rothaemel, M., Sander, U., Zeyen, R.
Verfahren zur Herstellung von Estern der Acrylsäure oder Methacrylsäure
DE 19952449 A1 (2001)

Kunz, U.; Hoffmann, U.
Monolithische Chromatographietrennsäule und deren Verwendung
DE 19929073 (2001)

Kunz, U.; Hoffmann, U.; Loening, S.
Verfahren zur reaktiven Entwässerung von Lösemitteln und Adsorbentien
DE 19933455 A1 (2001)

Kunz, U.; Hoffmann, U.
Gehäuse für monolithische Chromatographiesäulen und Reaktionssäulen
Deutsches Gebrauchsmuster 299 23 289.1 (2000)

Tissler, A.; Turek, T.; Kögel, M.; Schwieger, W.; Rauscher, M.; Mönnig, R.; Kesore, K.
Verfahren zur Herstellung eines Katalysators für die Reinigung von Abgasen, die Stickstoffoxide in Gegenwart von Sauerstoff und Wasser enthalten
EP 955080 B1 (1999)

Kunz, U.; Hoffmann, U.
Verfahren zur Herstellung zyklischer Ether und Lactone in einem Reaktivverdampfer
DE 19733576 A1 (1999)

Kunz, U.; Hoffmann, U.; Rosenplänter, A.; Horst, C.
Verfahren zum erweiterten Einsatz von Ultraschall bei Feststoff/Fluid- Umsetzungen
DE 19808239 C1 (1999)

Kunz, U.; Hoffmann, U.
Reaktionsstripper
EP 0959653 B1 (1999)

Kunz, U.; Hoffmann, U.
Verfahren zur Spaltung und Hydrierung von Polymeren
EP 0621332 B1 (1999)

Kunz, U.; Hoffmann, U.
Verfahren und Vorrichtung zur Bestimmung von Stoffeigenschaften mittels thermischer Analyse
DE 19703892 A1 (1998)

Kunz, U.; Horst, C.; Hoffmann, U.
Vorrichtung zur Durchführung chemischer Reaktionen und ihrer Verwendung
DE 19524712 C2 (1997)

Kunz, U; Hoffmann, U.; Schädlich, K.; Gottlieb, K.; Bruderreck, H.; Becker, S.
Trägerkatalysator und Verwendung desselben
EP 0664732 B1 (1997)

Kunz, U.; Hoffmann, U.
Verfahren zur Beeinflussung eines chemischen Prozesses
WO 9215542 A1 (1992)

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