Zobrazeno 1 - 10
of 21
pro vyhledávání: '"Jesper Nerlov"'
Autor:
Oliver Balmes, Bjerne S. Clausen, Ida Knudsen, Stig Helveg, Jesper Nerlov, Peter Christian Kjærgaard Vesborg, Alforn M. Molenbroek, Ib Chorkendorff
Publikováno v:
Journal of Catalysis. 262:65-72
Time-resolved measurements of the methanol synthesis reaction over a Cu/ZnO-based catalyst reveal a transient methanol production that depends on the pretreatment gas. Specifically, the methanol production initially peaks after a pretreatment with an
Publikováno v:
Surface Science. 602:2783-2788
Formate (HCOO) synthesis, decomposition and the hydrogenation of carbonate (CO 3 ) on Cu overlayers deposited on a Pt(1 1 1) single crystal are investigated to examine the reactivity of a Cu surface under tensile strain with defects present. Formate
Autor:
Lars C. Grabow, Klas Andersson, Manos Mavrikakis, Jesper Nerlov, Nana Maria Pii Schumacher, Ib Chorkendorff
Publikováno v:
Surface Science. 602:702-711
Experimental and theoretical studies on the interaction of carbon dioxide with pseudomorphic and rough copper layers deposited on a platinum (1 1 1) single crystal are reported. Evidence for carbon dioxide dissociation and carbonate formation is pres
Autor:
Finn Joensen, Gregory S. Patience, Jesper Nerlov, Roberta Cenni, Jamal Chaouki, Mads Kaarsholm
Publikováno v:
Chemical Engineering Science. 62:5527-5532
The product distribution and deactivation in the methanol-to-olefin (MTO) process over a phosphorous modified catalyst containing 10% H-ZSM-5 was studied in small diameter fixed bed reactors. These studies suggest that methane is formed directly from
Autor:
Stian Svelle, Francesca Bonino, Luisa Palumbo, Stein Kolboe, Finn Joensen, Morten Bjørgen, Silvia Bordiga, Unni Olsbye, Jesper Nerlov
Publikováno v:
Journal of Catalysis. 249:195-207
This study examined the reaction mechanism with respect to both catalyst deactivation and product formation in the conversion of methanol to hydrocarbons over zeolite H-ZSM-5. The reactivity of the organics residing in the zeolite voids during the re
Publikováno v:
Applied Catalysis A: General. 191:97-109
The present work has investigated the influence of CO on the conventional methanol synthesis from CO 2 and H 2 on Cu(1 0 0) and the possibilities for hydrogenating CO directly into methanol on modified Cu(1 0 0) single crystals. Adding increased pres
Publikováno v:
Acta Physica Polonica A. 95:423-431
Improved adsorption characteristics of a K predosed Cu(110) surface with a coverage corresponding to a point before the work function minimum have been confirmed. Analysis of the CO-induced orbitals in the photoelectron spectra of the CO/K/Cu(110) in
Autor:
Ib Chorkendorff, Jesper Nerlov
Publikováno v:
Journal of Catalysis. 181:271-279
The catalytic activity of Cu(100) and Ni/Cu(100) with respect to the methanol synthesis from various mixtures containing CO{sub 2}, CO, and H{sub 2} have been studied in a combined UHV/high pressure cell apparatus at reaction conditions, P{sub tot} =
Publikováno v:
Surface Science. 401:56-71
The coadsorption of CO 2 and Na on the Fe 3 O 4 (111) termination of α-Fe 2 O 3 (0001) has been investigated by synchrotron-radiation-based core-level and valence band photoemission and low-energy electron diffraction. We find that a 1×1 structure
Autor:
Ib Chorkendorff, Jesper Nerlov
Publikováno v:
Catalysis Letters. 54:171-176
We have studied the rate of methanol formation over Cu(100) and Ni/Cu(100) from various mixtures of CO, CO2 and H2. It is found that the presence of submonolayer quantities of Ni leads to a strong increase in the rate of methanol formation from mixtu