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1

Water-gas shift reaction in micro-channels—Results from catalyst screening and optimisation

Gunther Kolb, Helmut Pennemann, Ralf Zapf

Journal:

Catalysis Today

Year:

2005

Language:

english

File:

PDF, 499 KB

english, 2005

2

Chemical microprocess technology—from laboratory-scale to production

Helmut Pennemann, Volker Hessel, Holger Löwe

Journal:

Chemical Engineering Science

Year:

2004

Language:

english

File:

PDF, 225 KB

english, 2004

3

Total combustion of propane in a catalytic microchannel combustor

Y. Men, G. Kolb, R. Zapf, H. Pennemann, V. Hessel

Journal:

Chemical Engineering Research and Design

Year:

2009

Language:

english

File:

PDF, 536 KB

english, 2009

4

Theoretical and experimental characterization of a low-Reynolds number split-and-recombine mixer

S. Hardt, H. Pennemann, F. Schönfeld

Journal:

Microfluidics and Nanofluidics

Year:

2006

Language:

english

File:

PDF, 512 KB

english, 2006

5

Improvement of Dye Properties of the Azo Pigment Yellow 12 Using a Micromixer-Based Process

Pennemann, Helmut, Forster, Stephan, Kinkel, Joachim, Hessel, Volker, Löwe, Holger, Wu, Li

Journal:

Organic Process Research & Development

Year:

2005

Language:

english

File:

PDF, 171 KB

english, 2005

6

Benchmarking of Microreactor Applications

Pennemann, Helmut, Watts, Paul, Haswell, Stephen J., Hessel, Volker, Löwe, Holger

Journal:

Organic Process Research & Development

Year:

2004

Language:

english

File:

PDF, 304 KB

english, 2004

7

The Effects of Perceived Brand Globalness and Perceived Brand Localness in China: Empirical Evidence on Western, Asian, and Domestic Retailers

Swoboda, Bernhard, Pennemann, Karin, Taube, Markus

Journal:

Journal of International Marketing

Year:

2012

Language:

english

File:

PDF, 181 KB

english, 2012

8

Vapor/liquid parallel-flow channeling on cascade trays with moving valves

Bausa, J., Pennemann, B.

Journal:

Chemical Engineering Research and Design

Year:

2015

Language:

english

File:

PDF, 1.62 MB

english, 2015

9

Nano-architectured CeO 2 supported Rh with remarkably enhanced catalytic activity for propylene glycol reforming reaction in microreactors

Shanmugam, Vetrivel, Zapf, Ralf, Hessel, Volker, Pennemann, Helmut, Kolb, Gunther

Journal:

Applied Catalysis B: Environmental

Year:

2018

Language:

english

File:

PDF, 4.15 MB

english, 2018

10

CO 2 methanation in microstructured reactors – catalyst development and process design

Neuberg, Stefan, Pennemann, Helmut, Shanmugam, Vetrivel, Thiermann, Raphael, Zapf, Ralf, Gac, Wojciech, Greluk, Magdalena, Zawadski, Witold, Kolb, Gunther

Journal:

Chemical Engineering & Technology

Year:

2019

Language:

english

File:

PDF, 1.38 MB

english, 2019

11

New Chiral Catalysts Containing N,O-Heterocycles Derived from Chiral Amino Alcohols

Olga Juanes, Juan Carlos Rodriguez-Ubis, Ernesto Brunet, Helmut Pennemann, Michael Kossenjans, Jürgen Martens

Journal:

European Journal of Organic Chemistry

Year:

1999

Language:

english

File:

PDF, 483 KB

english, 1999

12

Investigations on pulse broadening for catalyst screening in gas/liquid systems

H. Pennemann, V. Hessel, H.-J. Kost, H. Löwe, C. de Bellefon

Journal:

Year:

2004

Language:

english

File:

PDF, 261 KB

english, 2004

13

Micromixer Based Liquid/Liquid Dispersion

H. Pennemann, S. Hardt, V. Hessel, P. Löb, F. Weise

Journal:

Chemical Engineering & Technology

Year:

2005

Language:

english

File:

PDF, 410 KB

english, 2005

14

Basic Study of Adhesion of Several Alumina-based Washcoats Deposited on Stainless Steel Microchannels

R. Zapf, G. Kolb, H. Pennemann, V. Hessel

Journal:

Chemical Engineering & Technology

Year:

2006

Language:

english

File:

PDF, 566 KB

english, 2006

15

ChemInform Abstract: New N,O-Heterocycles Derived from (R)-Cysteine as Catalysts in the Enantioselective Diethylzinc Addition.

Michael Kossenjans, Helmut Pennemann, Juergen Martens, Olga Juanes, Juan C. Rodriguez-Ubis, Ernesto Brunet

Journal:

Year:

1999

File:

PDF, 29 KB

1999

16

ChemInform Abstract: New Chiral Catalysts Containing N,O-Heterocycles Derived from Chiral Amino Alcohols.

Olga Juanes, Juan Carlos Rodriguez-Ubis, Ernesto Brunet, Helmut Pennemann, Michael Kossenjans, Juergen Martens

Journal:

Year:

2000

Language:

english

File:

PDF, 33 KB

english, 2000

17

ChemInform Abstract: Diastereoselective Hydroboration of Chiral Enamines Using an Enantiomerically Pure Amine (I) from an Industrial Waste Material as the Source of Chirality.

Helmut Pennemann, Sabine Wallbaum, Juergen Martens

Journal:

Year:

2000

File:

PDF, 31 KB

2000

18

Flüssig/Flüssig-Dispergierung im Interdigital-Mikromischer

H. Pennemann, P. Löb, V. Hessel, F. Weise, S. Hardt

Journal:

Chemie Ingenieur Technik

Year:

2004

Language:

german

File:

PDF, 319 KB

german, 2004

19

Entwicklung eines Siebdruckverfahrens zur Katalysatorbeschichtung mikrostrukturierter Plattenwärmetauscher

H. Pennemann, M. Dobra, R. Zapf, L. Ziegler, G. Kolb

Journal:

Chemie Ingenieur Technik

Year:

2010

Language:

german

File:

PDF, 43 KB

german, 2010

20

Atom Economy and Yield of Synthesis Sequences

Marco Eissen, Radoslaw Mazur, Heinz-Georg Quebbemann, Karl-Heinz Pennemann

Journal:

Helvetica Chimica Acta

Year:

2004

Language:

english

File:

PDF, 163 KB

english, 2004

21

Growth of ultrathin Au and Ag films on a modified Ru surface

H Bludau, M Skottke, B Pennemann, P Mrozek, K Wandelt

Journal:

Year:

1990

Language:

english

File:

PDF, 303 KB

english, 1990

22

Hydrogen adsorption on Pt(100) at low temperatures: work function and thermal desorption data

B. Pennemann, K. Oster, K. Wandelt

Journal:

Surface Science Letters

Year:

1991

Language:

english

File:

PDF, 66 KB

english, 1991

23

Activated hydrogen adsorption on the Pt(100)1 × 1 surface

B. Pennemann, K. Oster, K. Wandelt

Journal:

Surface Science Letters

Year:

1991

Language:

english

File:

PDF, 69 KB

english, 1991

24

Adsorbate-induced structure transitions at the reconstructed Pt(100) surface

J. Radnik, F. Gitmans, B. Pennemann, K. Oster, K. Wandelt

Journal:

Surface Science Letters

Year:

1993

Language:

english

File:

PDF, 65 KB

english, 1993

25

Properties of noble metal and binary alloy monolayer films on Ru(001)

K. Kalki, B. Pennemann, U. Schröder, W. Heichler, K. Wandelt

Journal:

Applied Surface Science

Year:

1991

Language:

english

File:

PDF, 644 KB

english, 1991

26

Impact of fluid path geometry and operating parameters on l/l-dispersion in interdigital micromixers

P. Löb, H. Pennemann, V. Hessel, Y. Men

Journal:

Chemical Engineering Science

Year:

2006

Language:

english

File:

PDF, 487 KB

english, 2006

27

An Algorithm for Approximating the Satisfiability Problem of High-level Conditions

Karl-Heinz Pennemann

Journal:

Electronic Notes in Theoretical Computer Science

Year:

2008

Language:

english

File:

PDF, 382 KB

english, 2008

28

Asymmetric catalytic hydrogenations at micro-litre scale in a helicoidal single channel falling film micro-reactor

C. de Bellefon, T. Lamouille, N. Pestre, F. Bornette, H. Pennemann, F. Neumann, V. Hessel

Journal:

Catalysis Today

Year:

2005

Language:

english

File:

PDF, 530 KB

english, 2005

29

High-temperature parallel screening of catalysts for the oxidative coupling of methane

Louis Olivier, Stéphane Haag, Helmut Pennemann, Christian Hofmann, Claude Mirodatos, Andre C. van Veen

Journal:

Catalysis Today

Year:

2008

Language:

english

File:

PDF, 995 KB

english, 2008

30

Continuous flow carbamoylation of aniline by dimethyl carbonate using a microreactor coated with a thin film of ceria supported gold nanoparticles

Raquel Juárez, Helmut Pennemann, Hermenegildo García

Journal:

Catalysis Today

Year:

2011

Language:

english

File:

PDF, 475 KB

english, 2011

31

g/l-Dispersion in interdigital micromixers with different mixing chamber geometries

Patrick Löb, Helmut Pennemann, Volker Hessel

Journal:

Chemical Engineering Journal

Year:

2004

Language:

english

File:

PDF, 828 KB

english, 2004

32

Partial oxidation of propane using micro structured reactors

Helmut Pennemann, Volker Hessel, Gunther Kolb, Holger Löwe, Ralf Zapf

Journal:

Chemical Engineering Journal

Year:

2008

Language:

english

File:

PDF, 1.02 MB

english, 2008

33

Diastereoselective hydroboration of chiral enamines using an enantiomerically pure amine from an industrial waste material as the source of chirality

Helmut Pennemann, Sabine Wallbaum, Jürgen Martens

Journal:

Tetrahedron: Asymmetry

Year:

2000

Language:

english

File:

PDF, 193 KB

english, 2000

34

New N,O-heterocycles derived from (R)-cysteine as catalysts in the enantioselective diethylzinc addition

Michael Kossenjans, Helmut Pennemann, Jürgen Martens, Olga Juanes, Juan C. Rodrı́guez-Ubis, Ernesto Brunet *

Journal:

Tetrahedron: Asymmetry

Year:

1998

Language:

english

File:

PDF, 56 KB

english, 1998

35

Integrated Microstructured Fuel Processors for Fuel Cell Applications

G. Kolb, V. Cominos, C. Hofmann, H. Pennemann, J. Schürer, D. Tiemann, M. Wichert, R. Zapf, V. Hessel, H. Löwe

Journal:

Chemical Engineering Research and Design

Year:

2005

Language:

english

File:

PDF, 581 KB

english, 2005

36

Microstructured fuel processors for fuel-cell applications

Gunther Kolb, Volker Hessel, Vania Cominos, Helmut Pennemann, Jochen Schürer, Ralf Zapf, Holger Löwe

Journal:

Journal of Materials Engineering and Performance

Year:

2006

Language:

english

File:

PDF, 414 KB

english, 2006

37

X-Ray Absorption Spectroscopy Investigation of the Activation Process of Raney Nickel Catalysts

J. Rothe, J. Hormes, C. Schild, B. Pennemann

Journal:

Journal of Catalysis

Year:

2000

Language:

english

File:

PDF, 101 KB

english, 2000

38

On the catalytic oxidation of amorphous carbon by Pd and PdAg particles

B. Pennemann, R. Anton

Journal:

Journal of Catalysis

Year:

1989

Language:

english

File:

PDF, 1.29 MB

english, 1989

39

Towards mass production of microstructured fuel processors for application in future distributed energy generation systems: A review of recent progress at IMM

M. O’Connell, G. Kolb, K.-P. Schelhaas, M. Wichert, D. Tiemann, H. Pennemann, R. Zapf

Journal:

Chemical Engineering Research and Design

Year:

2012

Language:

english

File:

PDF, 1.11 MB

english, 2012

40

Hydrogen adsorption on Pt(100) at low temperatures: work function and thermal desorption data

B. Pennemann, K. Oster, K. Wandelt

Journal:

Surface Science

Year:

1991

Language:

english

File:

PDF, 1.22 MB

english, 1991

41

Activated hydrogen adsorption on the Pt(100) 1 × 1 surface

B. Pennemann, K. Oster, K. Wandelt

Journal:

Surface Science

Year:

1991

Language:

english

File:

PDF, 441 KB

english, 1991

42

Adsorbate-induced structure transitions at the reconstructed Pt(100) surface

J. Radnik, F. Gitmans, B. Pennemann, K. Oster, K. Wandelt

Journal:

Surface Science

Year:

1993

Language:

english

File:

PDF, 484 KB

english, 1993

43

New Supported β-Amino Alcohols as Efficient Catalysts for the Enantioselective Addition of Diethylzinc to Benzaldehyde under Flow Conditions

Burguete, M. Isabel, García-Verdugo, Eduardo, Vicent, María J., Luis, Santiago V., Pennemann, Helmut, Graf von Keyserling, Nikolai, Martens, Jürgen

Journal:

Organic Letters

Year:

2002

Language:

english

File:

PDF, 74 KB

english, 2002

44

Optimization of Wash-Coating Slurries as Catalyst Carrier for Screen Printing into Microstructured Reactors

Pennemann, H., Dobra, M., Wichert, M., Kolb, G.

Journal:

Chemical Engineering & Technology

Year:

2013

Language:

english

File:

PDF, 643 KB

english, 2013

45

Scanning Tunneling Microscopy and Scanning Tunneling Spectroscopy Studies of Powdery Palladium/Graphite Model Catalysts †

Schneider, J., Wambach, C., Pennemann, B., Wandelt, K.

Journal:

Year:

1999

Language:

english

File:

PDF, 293 KB

english, 1999

46

A Novel Technology for Natural Gas Conversion by Means of Integrated Oxidative Coupling and Dry Reforming of Methane

Thybaut, Joris W., Marin, Guy B., Mirodatos, Claude, Schuurman, Yves, van Veen, Andre C., Sadykov, Vladislav A., Pennemann, Helmut, Bellinghausen, Rainer, Mleczko, Leslaw

Journal:

Chemie Ingenieur Technik

Year:

2014

Language:

english

File:

PDF, 868 KB

english, 2014

47

Thermocatalytic decomposition of propane for pure hydrogen production and subsequent carbon gasification: Activity and long-term stability of Ni/Al2O3 based catalysts

Neuberg, Stefan, Pennemann, Helmut, Wiborg, Ole, Wichert, Martin, Zapf, Ralf, Ziogas, Athanassios, Kolb, Gunther

Journal:

Catalysis Today

Year:

2015

Language:

english

File:

PDF, 2.26 MB

english, 2015

48

Correctness of high-level transformation systems relative to nested conditions

HABEL, ANNEGRET, PENNEMANN, KARL-HEINZ

Journal:

Mathematical Structures in Computer Science

Year:

2009

Language:

english

File:

PDF, 1.31 MB

english, 2009

49

Preparation of an enantiomerically pure helical nickel(II) complex using a new chiral tetradentate ligand derived from an industrial waste material †

Pennemann, Helmut, Wassmann, Suzanne, Wilken, Jörg, Gröger, Harald, Wallbaum, Sabine, Kossenjans, Michael, Haase, Detlev, Saak, Wolfgang, Pohl, Siegfried, Martens, Jürgen

Journal:

Journal of the Chemical Society Dalton Transactions

Year:

2000

Language:

english

File:

PDF, 116 KB

english, 2000

50

Review: Microstructured reactors as efficient tool for the operation of selective oxidation reactions

Pennemann, Helmut, Kolb, Gunther

Journal:

Catalysis Today

Year:

2016

Language:

english

File:

PDF, 4.33 MB

english, 2016

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