Search Results - "Dittmeyer, R"

A review of catalyst performance and novel reaction engineering concepts in direct synthesis of hydrogen peroxide by Dittmeyer, R., Grunwaldt, J.-D., Pashkova, A.

“…•The main effects on activity and selectivity in H2O2 direct synthesis are connected.•Catalyst performance in H2O2 direct synthesis is assessed from a…”
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Inorganic microporous membranes for H2 and CO2 separation—Review of experimental and modeling progress by Li, H., Haas-Santo, K., Schygulla, U., Dittmeyer, R.

“…Inorganic microporous membranes show great potential in several important applications, e.g., H2 separation, the recovery of CO2 from natural gas and the…”
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Heat storage by the dehydrogenation of methylcyclohexane – Experimental studies for the design of a microstructured membrane reactor by Kreuder, H., Boeltken, T., Cholewa, M., Meier, J., Pfeifer, P., Dittmeyer, R.

“…The concept of hydrogen storage via liquid organic hydrides in cycles of hydrogenation and dehydrogenation with preferably low amount of reaction enthalpy is…”
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Ultra-compact microstructured methane steam reformer with integrated Palladium membrane for on-site production of pure hydrogen: Experimental demonstration by Boeltken, T., Wunsch, A., Gietzelt, T., Pfeifer, P., Dittmeyer, R.

“…A novel metal-based modular microstructured reactor with integrated Pd membrane for hydrogen production by methane steam reforming is presented. Thin Pd foils…”
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Methane steam reforming operation and thermal stability of new porous metal supported tubular palladium composite membranes by Dittmar, B., Behrens, A., Schödel, N., Rüttinger, M., Franco, Th, Straczewski, G., Dittmeyer, R.

“…In 2009 cooperation between Plansee SE, Austria (PSE), Karlsruhe Institute of Technology, Germany (KIT) and the Engineering Division of Linde AG, Germany (LE)…”
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Kinetic investigation of the Dushman reaction at concentrations relevant to mixing studies in microstructured cyclone type mixers by Kölbl, A., Kraut, M., Dittmeyer, R.

“…In this contribution we report on kinetic investigations of the Dushman reaction at concentrations relevant to mixing studies in microstructured cyclone type…”
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Modification of the catalytic properties of a Pd membrane catalyst for direct hydroxylation of benzene to phenol in a double-membrane reactor by sputtering of different catalyst systems by Dittmeyer, R., Bortolotto, L.

“…The surface of hydrogen-permeable PdCu membranes acting as a catalyst for direct hydroxylation of benzene to phenol in the gas phase in a novel catalytic…”
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Catalytic modification of conventional SOFC anodes with a view to reducing their activity for direct internal reforming of natural gas by Boder, M., Dittmeyer, R.

“…When using natural gas as fuel for the solid oxide fuel cell (SOFC), direct internal reforming lowers the requirement for cell cooling and, theoretically,…”
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Catalyst development for the dehydrogenation of MCH in a microstructured membrane reactor—For heat storage by a Liquid Organic Reaction Cycle by Kreuder, H., Müller, C., Meier, J., Gerhards, U., Dittmeyer, R., Pfeifer, P.

“…•A novel heat storage cycle based on a Liquid Organic Reaction Cycle (LORC).•A highly active 1wt% Pt/Al2O3 catalyst coating for dehydrogenation of…”
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Direct hydroxylation of benzene to phenol in a novel microstructured membrane reactor with distributed dosing of hydrogen and oxygen by Bortolotto, L., Dittmeyer, R.

“…The direct conversion of benzene to phenol in the gas phase in a palladium membrane reactor has been investigated with deviating results by various researchers…”
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Experimental and modeling study of gas transport through composite ceramic membranes by Li, H., Schygulla, U., Hoffmann, J., Niehoff, P., Haas-Santo, K., Dittmeyer, R.

“…Concerning the gas transport through ceramic membranes, insufficient attention is paid to concentration polarization (mass transfer) in the measuring cell or…”
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Fabrication and testing of a planar microstructured concept module with integrated palladium membranes by Boeltken, T., Belimov, M., Pfeifer, P., Peters, T.A., Bredesen, R., Dittmeyer, R.

“…► Leak-tight integration of thin Pd-based membrane in a microstructured concept module. ► Extremely high selectivities for hydrogen separation. ► Minimization…”
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An electrocatalytic membrane-assisted process for hydrogen production from H2S in Black Sea: Preliminary results by Ipsakis, D., Kraia, Tz, Marnellos, G.E., Ouzounidou, M., Voutetakis, S., Dittmeyer, R., Dubbe, A., Haas-Santo, K., Konsolakis, M., Figen, H.E., Güldal, N.O., Baykara, S.Z.

“…The feasibility of hydrogen production by the decomposition of H2S in an electrocatalytic membrane reactor for the exploitation of H2S contained in Black Sea…”
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Kinetic modelling of the SO2-oxidation with Pt in a microstructured reactor by BENZINGER, W, WENKA, A, DITTMEYER, R

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3D‐printed fluid‐guiding elements for flow control in a microstructured membrane reactor for H2O2 direct synthesis by Trinkies, L. L., Deschner, B. J., Hansjosten, E., Kraut, M., Dittmeyer, R.

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Micro and micro membrane reactors for advanced applications in chemical energy conversion by Dittmeyer, R, Boeltken, T, Piermartini, P, Selinsek, M, Loewert, M, Dallmann, F, Kreuder, H, Cholewa, M, Wunsch, A, Belimov, M, Farsi, S, Pfeifer, P

“…•Ultracompact membrane reactor design for methane steam reforming.•Slow deactivation during methylcyclohexane dehydrogenation in membrane…”
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On the Solubility of Carbon Dioxide in Binary Water–Methanol Mixtures by Schüler, N, Hecht, K, Kraut, M, Dittmeyer, R

“…The solubility of carbon dioxide in binary mixtures of water and methanol containing up to 12.37 mass % methanol has been measured at temperatures between 298…”
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Controlled electromigration and oxidation of free-standing copper wires by Hauser, J. S., Schwichtenberg, J., Marz, M., Sürgers, C., Seiler, A., Gerhards, U., Messerschmidt, F., Hensel, A., Dittmeyer, R., Löhneysen, H. v., Hoffmann-Vogel, R.

“…We have studied controlled electromigration (EM) in free-standing copper wires. Besides electrical characterization by voltage–current measurements, structural…”
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Porous, catalytically active ceramic membranes for gas–liquid reactions: a comparison between catalytic diffuser and forced through flow concept by Reif, M, Dittmeyer, R

“…Catalytically active membranes can be applied for three-phase reactions (liquid, gas and solid catalyst) and have advantages over conventional particle…”
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Purification process for chemical storage of hydrogen for fuel cell vehicles applications by Swesi, Yousef, Ronze, Didier, Pitault, Isabelle, Dittmeyer, Roland, Heurtaux, Fabien

“…An alternative way to provide hydrogen in fuel cell vehicles (FCV) consists of storing hydrogen in liquid hydrocarbons. Supplying hydrogen is then performed,…”
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