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Self-Propagating High-Temperature Synthesis of Composite Materials Based on Tungsten Carbides: Effect of Phase Composition on the Yield of Ethylene and Propylene Glycols in the One-Pot Hydrolysis–Hydrogenolysis of Cellulose Full article

Journal Catalysis in Industry
ISSN: 2070-0504 , E-ISSN: 2070-0555
Output data Year: 2020, Volume: 12, Number: 4, Pages: 343–352 Pages count : 10 DOI: 10.1134/S2070050420040030
Tags cellulose, hydrolysis–hydrogenolysis, ethylene glycol, 1,2-propylene glycol, tungsten carbide, selfpropagating high-temperature synthesis
Authors Gromov N.V. 1,2 , Zhdanok A.A. 3 , Medvedeva T.B. 1 , Lukoyanov I.A. 1,2 , Poluboyarov V.A. 2,3 , Taran O.P. 1,4 , Parmon V.N. 1 , Timofeeva M.N. 1,2
Affiliations
1 Boreskov Institute of Catalysis, Siberian Branch, Russian Academy of Sciences, Novosibirsk, 630090 Russia
2 Novosibirsk State Technical University, Novosibirsk, 630073 Russia
3 Institute of Solid State Chemistry and Mechanochemistry, Siberian Branch, Russian Academy of Sciences, Novosibirsk, 630128 Russia
4 Institute of Chemistry and Chemical Technology, Krasnoyarsk Scientific Center, Siberian Branch, Russian Academy of Sciences, Akademgorodok, Krasnoyarsk, 660036 Russia

Funding (1)

1 Russian Foundation for Basic Research 17-03-01142

Abstract: It is shown that the reaction of the hydrolysis–hydrogenolysis of cellulose to alcohols can be catalyzed by the binary system Ca(OH)2–composite material based on tungsten carbides W2C/WC, obtained by combining mechanochemical activation and self-propagating high-temperature synthesis with an exothermic mixture of tungsten oxide, metallic magnesium, and technical carbon. It is demonstrated that the amounts of tungsten carbides (W2C, WC) and the ratio between them can be controlled by introducing inert additives (metallic tungsten or calcium carbonate) to the exothermic mixture. The order of introducing reagents to the exothermic mixture and their activation is found to affect the textural properties of the materials. Self-propagating high-temperature synthesis is shown to be superior to mechanochemical activation. The catalytic properties of these materials are studied in the hydrolysis–hydrogenolysis of cellulose. It is determined that the phase composition of the composite materials affects the yields of ethylene glycol and 1,2-polyethylene glycol and their ratio. The maximum total yield of the glycols (25–31%) is obtained using a sample with a high W2C content.
Cite: Gromov N.V. , Zhdanok A.A. , Medvedeva T.B. , Lukoyanov I.A. , Poluboyarov V.A. , Taran O.P. , Parmon V.N. , Timofeeva M.N.
Self-Propagating High-Temperature Synthesis of Composite Materials Based on Tungsten Carbides: Effect of Phase Composition on the Yield of Ethylene and Propylene Glycols in the One-Pot Hydrolysis–Hydrogenolysis of Cellulose
Catalysis in Industry. 2020. V.12. N4. P.343–352. DOI: 10.1134/S2070050420040030 WOS Scopus РИНЦ OpenAlex
Original: Громов Н.В. , Жданок А.А. , Медведева Т.Б. , Лукоянов И.А. , Полубояров В.А. , Таран О.П. , Пармон В.Н. , Тимофеева М.Н.
Самораспространяющийся высокотемпературный синтез композиционных материалов на основе карбида вольфрама: влияние фазового состава на выход этилен- и пропиленгликолей в одностадийном процессе гидролиза-гидрогенолиза целлюлозы
Катализ в промышленности. 2020. Т.20. №2. С.140-150. DOI: 10.18412/1816-0387-2020-2-140-150RSCI РИНЦ AN OpenAlex
Dates:
Submitted: Jan 13, 2020
Accepted: Feb 4, 2020
Published print: Oct 1, 2020
Published online: Jan 27, 2021
Identifiers:
Web of science: WOS:000612367000009
Scopus: 2-s2.0-85099920979
Elibrary: 44982824
OpenAlex: W3122268582
Citing:
DB Citing
Scopus 3
Web of science 2
Elibrary 3
OpenAlex 4
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