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

V. M. Kislov; Кислов В. М.; M. V. Tsvetkov; Цветков М. В.; A. Yu. Zaichenko; Зайченко А. Ю.; D. N. Podlesniy; Подлесный Д. Н.; M. V. Salganskaya; Салганская М. В.; Yu. Yu. Tsvetkova; Цветкова Ю. Ю.; E. A. Salgansky; Салганский Е. А.

doi:10.31857/S0207401X2308006X

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

Authors: Kislov V.M.¹, Tsvetkov M.V.¹, Zaichenko A.Y.¹, Podlesniy D.N.¹, Salganskaya M.V.¹, Tsvetkova Y.Y.¹, Salgansky E.A.¹
Affiliations:
1. Federal Research Center of Problems of Chemical Physics and Medicinal Chemistry, Russian Academy of Sciences
Issue: Vol 42, No 8 (2023)
Pages: 39-44
Section: Combustion, explosion and shock waves
URL: https://cardiosomatics.ru/0207-401X/article/view/674838
DOI: https://doi.org/10.31857/S0207401X2308006X
EDN: https://elibrary.ru/IGDKWL
ID: 674838

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Abstract
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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.

Keywords

gasification, pyrolysis, filtration combustion, wood, increased pressure, thermodynamics

References

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