Air Gasification of Wood at Increased Pressure in the Filtration Combustion Mode

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Abstract

The air gasification of wood at increased pressure in the filtration combustion mode is experimentally studied. It is experimentally shown that increasing the pressure in the reactor (up to 3 atm) during the gasification of wood leads to an increase in the productivity of the experimental setup (by a factor of 1.6), a decrease in the quantity of tars formed (by a factor of 1.5), and a change in the concentrations of outgoing gases. Thermodynamic calculations of the effect of pressure at the stage of wood pyrolysis are carried out. With an increase in pressure from 1 to 9 atm, the volume concentrations of hydrogen and carbon monoxide decrease, while the volume concentrations of the water vapor and carbon dioxide increase. However, at a pyrolysis temperature of 1300 K, an increase in pressure has practically no effect on the composition of gaseous products.

About the authors

V. M. Kislov

Federal Research Center of Problems of Chemical Physics and Medicinal Chemistry, Russian Academy of Sciences

Email: vmkislov@icp.ac.ru
Chernogolovka, Russia

M. V. Tsvetkov

Federal Research Center of Problems of Chemical Physics and Medicinal Chemistry, Russian Academy of Sciences

Email: vmkislov@icp.ac.ru
Chernogolovka, Russia

A. Yu. Zaichenko

Federal Research Center of Problems of Chemical Physics and Medicinal Chemistry, Russian Academy of Sciences

Email: vmkislov@icp.ac.ru
Chernogolovka, Russia

D. N. Podlesniy

Federal Research Center of Problems of Chemical Physics and Medicinal Chemistry, Russian Academy of Sciences

Email: vmkislov@icp.ac.ru
Chernogolovka, Russia

M. V. Salganskaya

Federal Research Center of Problems of Chemical Physics and Medicinal Chemistry, Russian Academy of Sciences

Email: vmkislov@icp.ac.ru
Chernogolovka, Russia

Yu. Yu. Tsvetkova

Federal Research Center of Problems of Chemical Physics and Medicinal Chemistry, Russian Academy of Sciences

Email: vmkislov@icp.ac.ru
Chernogolovka, Russia

E. A. Salgansky

Federal Research Center of Problems of Chemical Physics and Medicinal Chemistry, Russian Academy of Sciences

Author for correspondence.
Email: vmkislov@icp.ac.ru
Chernogolovka, Russia

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Copyright (c) 2023 В.М. Кислов, М.В. Цветков, А.Ю. Зайченко, Д.Н. Подлесный, М.В. Салганская, Ю.Ю. Цветкова, Е.А. Салганский