Zobrazeno 1 - 10
of 145
pro vyhledávání: '"Ivan V. Kozhevnikov"'
Autor:
Elena F. Kozhevnikova, Rafaela Ferreira Cotta, Kelly A. da Silva Rocha, Elena V. Gusevskaya, Ivan V. Kozhevnikov, Rafael A. Martins
Publikováno v:
Catalysis Today. 381:254-260
Acidic cesium salt of tungstophosphoric heteropoly acid, Cs2.5H0.5PW12O40 (CsPW), is an excellent solid acid catalyst for the reaction of phenylacetaldehyde with biorenewable monoterpenic alkenes: limonene, α-terpineol, α-pinene and β-pinene. Simu
Publikováno v:
ACS Omega
ACS Omega, Vol 6, Iss 13, Pp 9310-9318 (2021)
ACS Omega, Vol 6, Iss 13, Pp 9310-9318 (2021)
The conversion of diethyl ether (DEE) to ethene and ethanol was studied at a gas-solid interface over bulk and supported Bronsted solid acid catalysts based on tungsten Keggin heteropoly acids (HPAs) at 130-250 °C and ambient pressure. The yield of
Publikováno v:
CHEMICAL COMMUNICATIONS
2,5-Dimethylfuran is deoxygenated to n-hexane with 100% yield on a bifunctional Pt/C-Cs2.5H0.5PW12O40 catalyst under very mild conditions (90 °C, 1 bar H2) in a one-step gas-phase process. A proposed mechanism includes a sequence of hydrogenolysis,
Autor:
Reem Ghubayra, Charlotte Nuttall, Sophie E. Hodgkiss, Elena F. Kozhevnikova, Ivan V. Kozhevnikov, Michael Craven
Publikováno v:
Applied Catalysis B: Environmental
Keggin-type heteropoly acids supported on activated carbon (HPA/C) are active catalysts for oxidative desulfurization (ODS) of diesel fuel under mild conditions in a biphasic system composed of a benzothiophene-containing model diesel fuel (heptane)
Publikováno v:
Catalysts, Vol 11, Iss 988, p 988 (2021)
Catalysts
Volume 11
Issue 8
Catalysts
Volume 11
Issue 8
Aerobic oxidative desulfurization (ODS) of model liquid fuel (dodecane spiked with dibenzothiophene (DBT)) was carried out in the presence of bulk and supported Keggin-type heteropoly acids H3+nPMo12-nVnO40 (HPA-n, n = 0–3) as heterogeneous catalys
Publikováno v:
Catalysis Today. 329:177-186
The aliphatic alcohols (methanol, ethanol, 1- and 2-propanol) were used for the upgrading of petroleum asphaltenes. The process was performed under supercritical (sc) conditions at 350 °C. CHNSO analysis and GC methods were used to characterize the
Autor:
Elena V. Gusevskaya, Kelly A. da Silva Rocha, Augusto Luís Pereira De Meireles, Ivan V. Kozhevnikov, Elena F. Kozhevnikova
Publikováno v:
MOLECULAR CATALYSIS
The isomerization of caryophyllene oxide, one of the most widespread sesquiterpenes found in various essential oils, is catalyzed by the acidic Cs salt of tungstophosphoric heteropoly acid, Cs2.5H0.5PW12O40, to give rare polycyclic oxygenated sesquit
Autor:
Frédéric Blanc, Michael Craven, Casper Kunstmann-Olsen, Dong Xiao, Alexander Steiner, Elena F. Kozhevnikova, Ivan V. Kozhevnikov
Publikováno v:
APPLIED CATALYSIS B-ENVIRONMENTAL
Keggin-type polyoxometalates (POM) immobilized on alkylaminophosphazene (RPN)-functionalized silica (POM/RPN-SiO2) are new effective single-site solid catalysts for oxidative desulfurization (ODS) of diesel fuel under mild conditions in a biphasic sy
Publikováno v:
APPLIED CATALYSIS A-GENERAL
Ketonisation of acetic acid to acetone was studied in the gas phase using γ-Al2O3, TiO2, ZrO2 and CeO2 as the catalysts in the temperature range of 180–350 °C and ambient pressure. Catalyst activity was found to increase in the order Al2O3
Autor:
Kelly A. da Silva Rocha, Elena V. Gusevskaya, Augusto Luís Pereira De Meireles, Elena F. Kozhevnikova, Ivan V. Kozhevnikov
Publikováno v:
Molecular Catalysis
H3PW12O40 heteropoly acid supported on SiO2 and its bulk acidic cesium salt Cs2.5H0.5PW12O40 are demonstrated to be highly active and recyclable solid catalysts for Prins cyclization allowing for the clean, high-yielding synthesis of Florol® from is
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::30cda309b08449d7570f73e131d115b9