Vol. 55, No. 4, 2021

Solid Fuel Chemistry

Thermal Transformations of Low-Metamorphozed Kuzbass Coals in Different Atmospheres and Prediction of Coal Hydrogenation Ability in Direct Liquefaction Processes

K. Yu. Ushakov, I. Ya. Petrov and A. R. Bogomolov p. 207 abstract

Prediction of the Higher Heats of Combustion of Plant Raw Materials Based on the Ultimate Analysis Data

D. V. Miroshnichenko and I. K. Malik p. 216 abstract

Dependence of the Biological Activity of Brown Coal Humic Acids on the Concentrations of Macro and Trace Elements

S. I. Zherebtsov, N. V. Malyshenko, K. S. Votolin, K. M. Shpakodraev, Z. R. Ismagilov, D. A. Sokolov and V. A. Androkhanov p. 223 abstract

Changes in the Composition and Properties of Humic Substances upon the Mechanical Treatment of Coals with Mineral Salts

N. V. Yudina, A. V. Savel’eva and E. V. Linkevich p. 229 abstract

Theoretical Aspects of the Antioxidant Properties of Humic Acids

T. A. Yarkova and A. M. Gyul’maliev p. 236 abstract

Peat as an Informative Biomarker of the State of Peat Bog Ecosystems in the European North of Russia

I. I. Lishtvan, S. B. Selyanina, M. V. Trufanova, T. V. Sokolova, N. E. Sosnovskaya, I. N. Zubov and O. N. Yarygina p. 244 abstract

Composition of Peat Lipids in the Arctic Zone of the European Part of Russia

O. V. Serebrennikova, S. B. Selyanina, I. V. Russkikh and E. B. Strel’nikova p. 252 abstract

Preparation of Biomass Mixtures with Residual Oil for Gasification to Produce Synthesis Gas

A. V. Shumovskii and E. G. Gorlov p. 260 abstract

Physicochemical Treatment of Oil Sediments in Oil Sludge Utilization

Yu. V. Loskutova, N. V. Yudina and I. V. Prozorova p. 266 abstract

Contents

Solid Fuel Chemistry