Zobrazeno 1 - 10
of 140
pro vyhledávání: '"V. I. Yakerson"'
Publikováno v:
Bulletin des Sociétés Chimiques Belges. 104:303-309
Using radioactive Isotope 35S a comparative study of C- and Al2O3-supported MoS2 catalysts promoted by Nl in hydrodesulfurization of thiophene has been performed. Ni content varied from O up to 3.5%. Promotion effect on thiophene conversion and catal
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::4bf7a068f29b0fc4e60718d6c4cfb652
https://doi.org/10.1002/bscb.19951040419
https://doi.org/10.1002/bscb.19951040419
Publikováno v:
Russian Journal of Applied Chemistry. 77:1491-1499
The physicochemical and catalytic characteristics of catalysts fabricated on ceramic supports of various types was studied. The influence exerted by addition of cobalt and manganese on the catalytic activity of supported nickel-copper catalysts in hi
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::2b80bd0ccc5f08b3392235af22593450
https://doi.org/10.1007/s11167-005-0058-9
https://doi.org/10.1007/s11167-005-0058-9
Publikováno v:
Kinetics and Catalysis. 42:92-96
The surface composition of a model catalyst for ammonia synthesis based on iron promoted with aluminum and potassium oxides was investigated by X-ray photoelectron spectroscopy. The surface was studied in oxidized, passivated, and reduced states. The
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::c758d8a2a13c048dcc21c3919295ad8b
https://doi.org/10.1023/a:1004809014917
https://doi.org/10.1023/a:1004809014917
Publikováno v:
Kinetics and Catalysis. 41:696-699
X-ray photoelectron spectroscopy (XPS) is used to show that Fe and Ru on the catalyst surface virtually completely transform into the metallic state during the reduction of the Fe-Ru catalyst. Analysis of the spectra of nitrogen, which is present in
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::e7f3a94af2281fe283ab1ff0a9ec81fe
https://doi.org/10.1007/bf02754569
https://doi.org/10.1007/bf02754569
Publikováno v:
Russian Chemical Bulletin. 49:1373-1379
Temperature hysteresis is observed only in exothermic heterogeneous catalytic reactions (viz., oxidation and methanation of CO or propene hydrogenation) and is absent in the case of endothermic reactions (dehydrogenation of isobutane) or reactions wi
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::6c2d2e4b20acf861e00641aa79b152b8
https://doi.org/10.1007/bf02495080
https://doi.org/10.1007/bf02495080
Publikováno v:
Reaction Kinetics and Catalysis Letters. 67:89-93
The change in the carbon content on the surface of Fe, Cu, Ni containing catalysts has been studied by X-ray Photoelectron Spectroscopy (XPS) under different treatments. It has been concluded that the superficial carbon content affects the content of
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::f9dae5cd5a4b2b961ee6a188c690d9de
https://doi.org/10.1007/bf02475832
https://doi.org/10.1007/bf02475832
Publikováno v:
Reaction Kinetics and Catalysis Letters. 66:97-104
The temperature hysteresis observed in the oxidation of CO on both supported and unsupported catalysts can be explained by the local overheating of active centers rather than by transitions from one steady state to another.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::1231607c2bf28273313904af0210f674
https://doi.org/10.1007/bf02475747
https://doi.org/10.1007/bf02475747
Publikováno v:
Reaction Kinetics and Catalysis Letters. 63:329-333
A method to study the valence state of Fe, Cu and Ni on the surface of a multicomponent catalyst by X-ray photoelectron spectroscopy (XPS) under reduction and action of reaction medium is proposed.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::25ac692ef21da2e57032c96cc2ae42c8
https://doi.org/10.1007/bf02475407
https://doi.org/10.1007/bf02475407
Autor:
V. I. Yakerson, E. Z. Golosman
Publikováno v:
Reaction Kinetics & Catalysis Letters. 55:455-462
A procedure for new cement-containing (MO−Al2O3, M=Ca, Zn, Ni, Cu) supports, adsorbents and catalysts has been designed.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::bb5370f81292c30e31c122e7dc874551
https://doi.org/10.1007/bf02073083
https://doi.org/10.1007/bf02073083
Autor:
V. N. Efremov, A. A. Dulov, E. Z. Golosman, L. A. Abramova, V. I. Yakerson, E. M. Stasenko, G. M. Tesakova
Publikováno v:
Russian Chemical Bulletin. 43:1471-1474
The surface phase composition of alumocalcium cement-supported CuO and CuO-NiO catalysts prepared by chemical mixing has been studied using the method of thermo-vacuum curves of electric conductivity. The deactivation of these catalysts due to overhe
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::38642e899a28d3738200b190fcdd5f25
https://doi.org/10.1007/bf00697129
https://doi.org/10.1007/bf00697129