Thermodynamic Analysis of the Gasification of Coal
from the Daurskoe Deposit

A. S. Maloletnev^a, A. M. Gyul’maliev^b, D. Yu. Ryabov^c,
A. N. Baranov^c, and O. A. Mazneva^a

^a Moscow State Mining University, Moscow, Russia

e-mail: Ànatoly-Maloletnev@rambler.ru

^b Topchiev Institute of Petrochemical Synthesis, Russian Academy of Sciences, Moscow, 117912 Russia

e-mail: Gyulmaliev@ips.ac.ru

^c Transbaikalia Coal-Chemical Company, Moscow, Russia

e-mail: riabov@mail.ru

Received July 30, 2012

Abstract—The equilibrium composition of the products of the fluidized-bed pressure gasification of brown
coal from the Daurskoe deposit in Transbaikalia krai for the production of process gas (in particular, synthesis
gas) was calculated with the use of a method of chemical thermodynamics. The gasification was performed at
P = 0.1 MPa and the blast coefficient ₁ = 0.3–0.35 in the presence of 36 wt % of water vapor in a temperature
range of 100–1500C. It was found that, at a Cl₀ pressure of 0.1 MPa, a temperature of 850C, and the air–
steam blast composition of ₁ = 0.3 and ₀ + 36 wt % H₂O, the gasification products of the organic matter of
coal (OMC) mainly consisted of CO and Í₂.

DOI: 10.3103/S0361521913010047

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