Combustion of carbonized coal residue in water–oxygen supercritical fluid


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Abstract

The autothermal regime of partial oxidation of carbonized coal residue in a stream of water-oxygen fluid at 923 K and 30 MPa is implemented for the first time. It is revealed that the oxidation of coal residue and the formation of combustible gases (hydrogen content in the products is increased by 26% with respect to its amount in the original sample) occur simultaneously and are caused by the participation of the H2O molecules in the redox reactions.

About the authors

A. A. Vostrikov

Kutateladze Institute of Thermal Physics, Siberian Branch

Author for correspondence.
Email: vostrikov@itp.nsc.ru
Russian Federation, Novosibirsk, 630090

O. N. Fedyaeva

Kutateladze Institute of Thermal Physics, Siberian Branch

Email: vostrikov@itp.nsc.ru
Russian Federation, Novosibirsk, 630090

D. Yu. Dubov

Kutateladze Institute of Thermal Physics, Siberian Branch

Email: vostrikov@itp.nsc.ru
Russian Federation, Novosibirsk, 630090

A. V. Shishkin

Kutateladze Institute of Thermal Physics, Siberian Branch

Email: vostrikov@itp.nsc.ru
Russian Federation, Novosibirsk, 630090

M. Ya. Sokol

Kutateladze Institute of Thermal Physics, Siberian Branch

Email: vostrikov@itp.nsc.ru
Russian Federation, Novosibirsk, 630090

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