Zobrazeno 1 - 10
of 12
pro vyhledávání: '"Ivan V. Kozhevnikov"'
Publikováno v:
Catalysts, Vol 14, Iss 1, p 51 (2024)
Dehydration of i-PrOH is used in academic research as a test reaction to probe the acid properties of solid acid catalysts. Also, it has practical importance for the utilization of surplus acetone produced by the Hock process for the combined manufac
Externí odkaz:
https://doaj.org/article/d6d959865ca64495a62cacf68a22a90d
Publikováno v:
Molecules, Vol 28, Iss 6, p 2539 (2023)
Amphiphilic hybrid catalysts were prepared by modifying [SMo12O40]2− with tetrabutylammonium bromide (TBAB), 1-butyl-3-methylimidazole bromide (BMIMBr) and octadecyl trimethyl ammonium bromide (ODAB), respectively. The prepared catalysts were chara
Externí odkaz:
https://doaj.org/article/1d73c6992d4d4df0a35ed809ee736f75
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:
Aerosol and Air Quality Research. 21:210238
Aiming at developing a simple, feasible method for SO2 and NOx removal, in this work, various doping amounts of heteropolyacid and heteropolyacid salts were prepared and used in wet absorption for simultaneous removal of SO2 and NO. The desulfurizati
Autor:
Abdullah Alotaibi, M. Rafiq H. Siddiqui, Ivan V. Kozhevnikov, Nabil Al-Zaqri, Ahmad M. Al-Saleh, Ali Alsalme, Elena F. Kozhevnikova
Publikováno v:
Applied Catalysis B: Environmental. 182:102-108
NiMo/SiO2 hydrodesulfurization catalyst prepared through the polyoxometalate route using Keggin type phosphomolybdates has high activity in HDS of thiophene at 350–400 °C and 1 bar pressure. The NiMo/SiO2 pre-catalyst retains intact Keggin structu
Autor:
Michael Craven, Alexander Steiner, Craig M. Robertson, Ivan V. Kozhevnikov, Elena F. Kozhevnikova, Rana Yahya
Publikováno v:
ChemCatChem. 8:200-208
Alkylaminophosphazenes (RPN) are efficient and tuneable phase-transfer agents for environmentally benign biphasic oxidation with hydrogen peroxide catalysed by polyoxometalates (POMs). Substituent groups on the phosphazene ring can be varied to modif
Autor:
Olivia Poole, Abdullah Alotaibi, Ivan V. Kozhevnikov, Elena F. Kozhevnikova, Ali Alsalme, M. Rafiq H. Siddiqui, Hossein Bayahia, Jocelyn North
Publikováno v:
Applied Catalysis A: General. 508:16-24
Bulk and supported hydrodesulfurization catalysts based on Mo and W and containing Co or Ni as promoters and phosphorus as a modifier are prepared through the polyoxometalate route using Keggin type phosphomolybdates and phosphotungstates and tested
Autor:
Rana Yahya, Michael Craven, Elena F. Kozhevnikova, Ivan V. Kozhevnikov, Alexander Steiner, Craig M. Robertson, Ramamoorthy Boomishankar
Publikováno v:
Chem. Commun.. 49:349-351
Polyoxometalate-phosphazene salt aggregates comprising cyclophosphazene cations are highly efficient catalysts for environmentally benign biphasic oxidations with hydrogen peroxide. These catalysts self-assemble in situ simply by mixing commercial Ke
Publikováno v:
Chemical communications (Cambridge, England). (7)
Pd metal supported on Cs2.5H0.5PW12O40 is an efficient bifunctional catalyst for the one-step conversion of acetone to methyl isobutyl ketone in gas and liquid phase.
Publikováno v:
Chemical Communications. :714-715
Epoxidation of 1-octene with hydrogen peroxide catalysed by amphiphilic salts of peroxo tungstophosphate [PO4[WO(O2)2]4]3- in water-in-oil microemulsions is an efficient and environmentally benign reaction which, coupled with ultrafiltration, shows t