Search Results - "Christensen, Claus H."

Trends in the Catalytic CO Oxidation Activity of Nanoparticles by Falsig, Hanne, Hvolbæk, Britt, Kristensen, Iben S, Jiang, Tao, Bligaard, Thomas, Christensen, Claus H, Nørskov, Jens K

“…Going for gold: Density functional calculations show how gold nanoparticles are more active catalysts for CO oxidation than other metal nanoparticles. The high…”
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Identification of Non-Precious Metal Alloy Catalysts for Selective Hydrogenation of Acetylene by Studt, Felix, Abild-Pedersen, Frank, Bligaard, Thomas, Sørensen, Rasmus Z, Christensen, Claus H, Nørskov, Jens K

“…The removal of trace acetylene from ethylene is performed industrially by palladium hydrogenation catalysts (often modified with silver) that avoid the…”
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Chemicals from Renewables: Aerobic Oxidation of Furfural and Hydroxymethylfurfural over Gold Catalysts by Taarning, Esben, Nielsen, Inger S., Egeblad, Kresten, Madsen, Robert, Christensen, Claus H.

“…Aerobic exercise: The biomass‐derived platform chemicals furfural and hydroxymethylfurfural (HMF) are readily oxidized in methanol in the presence of oxygen…”
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On the Role of Surface Modifications of Palladium Catalysts in the Selective Hydrogenation of Acetylene by Studt, Felix, Abild-Pedersen, Frank, Bligaard, Thomas, Sørensen, Rasmus Z, Christensen, Claus H, Nørskov, Jens K

“…Summing Me up: DFT calculations have shown that alloying, subsurface carbon, and hydride formation, all increase the selectivity of Pd catalysts for acetylene…”
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Gold-Catalyzed Aerobic Oxidation of 5-Hydroxymethylfurfural in Water at Ambient Temperature by Gorbanev, Yury Y., Klitgaard, Søren K., Woodley, John M., Christensen, Claus H., Riisager, Anders

“…The aerobic oxidation of 5‐hydroxymethylfurfural, a versatile biomass‐derived chemical, is examined in water with a titania‐supported gold‐nanoparticle…”
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Substrate Size-Selective Catalysis with Zeolite-Encapsulated Gold Nanoparticles by Laursen, Anders B, Højholt, Karen T, Lundegaard, Lars F, Simonsen, Søren B, Helveg, Stig, Schüth, Ferdi, Paul, Michael, Grunwaldt, Jan-Dierk, Kegnæs, Søren, Christensen, Claus H, Egeblad, Kresten

“…The Dark Crystal: A hybrid material is reported that is comprised of 1–2 nm sized gold nanoparticles, accessible only through zeolite micropores in a…”
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Indirect, Reversible High-Density Hydrogen Storage in Compact Metal Ammine Salts by Sørensen, Rasmus Z, Hummelshøj, Jens S, Klerke, Asbjørn, Reves, Jacob Birke, Vegge, Tejs, Nørskov, Jens K, Christensen, Claus H

“…The indirect hydrogen storage capabilities of Mg(NH3)6Cl2, Ca(NH3)8Cl2, Mn(NH3)6Cl2, and Ni(NH3)6Cl2 are investigated. All four metal ammine chlorides can be…”
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Hydrocarbon Pool in Ethanol-to-Gasoline over HZSM-5 Catalysts by Johansson, Roger, Hruby, Sarah L, Rass-Hansen, Jeppe, Christensen, Claus H

“…It is shown that the conversion of ethanol-to-gasoline over an HZSM-5 catalyst yields essentially the same product distribution as for methanol-to-gasoline…”
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Bioethanol: fuel or feedstock? by Rass-Hansen, Jeppe, Falsig, Hanne, Jørgensen, Betina, Christensen, Claus H

“…Increasing amounts of bioethanol are being produced from fermentation of biomass, mainly to counteract the continuing depletion of fossil resources and the…”
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Direct aerobic oxidation of primary alcohols to methyl esters catalyzed by a heterogeneous gold catalyst by NIELSEN, Inger S, TAARNING, Esben, EGEBLAD, Kresten, MADSEN, Robert, CHRISTENSEN, Claus H

“…Methyl esters can be produced in high yields by oxiding methanolic solutions of primary alcohols with dioxygen over a heterogeneous gold catalyst. The…”
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Aerobic Oxidation of Alcohols over Gold Catalysts: Role of Acid and Base by Klitgaard, Søren K, DeLa Riva, Andrew T, Helveg, Stig, Werchmeister, Rebecka M, Christensen, Claus H

“…Gold nanoparticles are deposited on potassium titanate nanowires and used as heterogeneous catalysts in the aerobic oxidation of benzyl alcohol in methanol to…”
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Templating Mesoporous Zeolites by Egeblad, Kresten, Christensen, Christina H, Kustova, Marina, Christensen, Claus H

“…The application of templating methods to produce zeolite materials with hierarchical bi- or trimodal pore size distributions is reviewed with emphasis on…”
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The location of gold nanoparticles on titania: A study by high resolution aberration-corrected electron microscopy and 3D electron tomography by Hernández-Garrido, Juan C., Yoshida, Kenta, Gai, Pratibha L., Boyes, Edward D., Christensen, Claus H., Midgley, Paul A.

“…Using HAADF-STEM electron tomography and aberration-corrected TEM/STEM electron microscopy, 3D reconstructions and high resolution images have been recorded of…”
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Hierarchical zeolites: enhanced utilisation of microporous crystals in catalysis by advances in materials design by Pérez-Ramírez, Javier, Christensen, Claus H, Egeblad, Kresten, Christensen, Christina H, Groen, Johan C

“…The introduction of synthetic zeolites has led to a paradigm shift in catalysis, separations, and adsorption processes, due to their unique properties such as…”
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Toward Efficient Hydrogen Production at Surfaces by Norskov, Jens K., Christensen, Claus H.

“…Calculations are providing a molecular picture of hydrogen production on catalytic surfaces and within enzymes. This knowledge may guide the design of new,…”
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Versatile Route to Zeolite Single Crystals with Controlled Mesoporosity:  in situ Sugar Decomposition for Templating of Hierarchical Zeolites by Kustova, Marina, Egeblad, Kresten, Zhu, Kake, Christensen, Claus H

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Toward computational screening in heterogeneous catalysis: Pareto-optimal methanation catalysts by Andersson, Martin P., Bligaard, Thomas, Kustov, Arkady, Larsen, Kasper E., Greeley, Jeffrey, Johannessen, Tue, Christensen, Claus H., Nørskov, Jens K.

“…Finding the solids that are the best catalysts for a given reaction is a daunting task due to the large number of combinations and structures of multicomponent…”
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Formation of Acetic Acid by Aqueous-Phase Oxidation of Ethanol with Air in the Presence of a Heterogeneous Gold Catalyst by Christensen, Claus H., Jørgensen, Betina, Rass-Hansen, Jeppe, Egeblad, Kresten, Madsen, Robert, Klitgaard, Søren K., Hansen, Stine M., Hansen, Mike R., Andersen, Hans C., Riisager, Anders

“…Wine into vinegar: It is possible to selectively oxidize ethanol into acetic acid in aqueous solution with air as the oxidant and a heterogeneous gold catalyst…”
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High Yield of Liquid Range Olefins Obtained by Converting i-Propanol over Zeolite H-ZSM-5 by Mentzel, Uffe V, Shunmugavel, Saravanamurugan, Hruby, Sarah L, Christensen, Claus H, Holm, Martin S

“…Methanol, ethanol, and i-propanol were converted under methanol-to-gasoline (MTH)-like conditions (400 °C, 1−20 bar) over zeolite H-ZSM-5. For methanol and…”
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Next-Generation Catalysis for Renewables: Combining Enzymatic with Inorganic Heterogeneous Catalysis for Bulk Chemical Production by Vennestrøm, Peter N. R., Christensen, Claus H., Pedersen, Sven, Grunwaldt, Jan-Dierk, Woodley, John M.

“…Nowadays, production of bulk and commodity chemicals from renewable feedstocks is widely debated and investigated as an alternative to the fossil platform. The…”
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