Zobrazeno 1 - 10
of 78
pro vyhledávání: '"Elena F, Kozhevnikova"'
Publikováno v:
Catalysis Communications, Vol 180, Iss , Pp 106710- (2023)
Keggin-type heteropoly acids (HPAs) have strong Brønsted acidity and are widely used as acid catalysts. The aim of this work is the systematic characterisation of the acid strength of HPA catalysts comprising H3PW12O40 and H4SiW12O40 supported on Si
Externí odkaz:
https://doaj.org/article/5fbc8aaccb43480e956407ab6a74367c
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:
ACS Omega, Vol 6, Iss 13, Pp 9310-9318 (2021)
Externí odkaz:
https://doaj.org/article/aef72733aa724d2f8592328951323926
Dehydroisomerisation of α-Pinene and Limonene to p-Cymene over Silica-Supported ZnO in the Gas Phase
Publikováno v:
Catalysts, Vol 11, Iss 10, p 1245 (2021)
Silica-supported zinc oxide possessing acid and dehydrogenation functions is an efficient, noble-metal-free bifunctional catalyst for the environment-friendly synthesis of p-Cymene from renewable monoterpene feedstock by gas-phase dehydroisomerisatio
Externí odkaz:
https://doaj.org/article/950c487eae384819a6334c9fb3bcca28
Publikováno v:
Catalysts, Vol 11, Iss 8, p 988 (2021)
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
Externí odkaz:
https://doaj.org/article/de50f30c09db435387e9b931cc513553
Publikováno v:
RSC Advances. 12:2287-2291
Addition of gold to the Pt–CsPW catalyst has an enhancing effect on the HDO of DMTHF, with a twofold increase of turnover rate at Pt sites.
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
Turnover Rate of Metal-Catalyzed Hydroconversion of 2,5-Dimethylfuran: Gas-Phase Versus Liquid-Phase
Publikováno v:
Catalysts, Vol 10, Iss 10, p 1171 (2020)
Hydroconversion (hydrogenation and hydrogenolysis) of biomass-derived furanic compounds giving furan ring-hydrogenation and ring-cleavage products attracts interest for sustainable production of chemicals and fuels. Here, the hydroconversion of 2,5-d
Externí odkaz:
https://doaj.org/article/560b6e214f904ef39db58025fb684a63
Publikováno v:
Applied Catalysis B: Environmental. 325:122362
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