Bibliography: 1. Pavlov N. V., Takaishvili L. N., Ivanova A. E. Coal in energy balance of the Republic of Sakha (Yakutia). Ipolytech Journal. 2022, vol. 26, no. 4, pp. 657—668. [In Russ]. DOI: 10.21285/1814-3520-2022-4-657-668.
2. Fedorov V. I., Gavrilov V. L. Change in particle size distribution of low-rank coal in longterm storage. MIAB. Mining Inf. Anal. Bull. 2021, no. 12-1, pp. 223—232. [In Russ]. DOI: 10. 25018/0236_1493_2021_121_0_223.
3. Sorokin A. P., Kuz’minykh V. M., Konyushok A. A., Savchenko I. F., Noskova L. P., Rimkevich V. S., Krapiventseva V. V. Multi-purpose use of caustobioliths of carbonic series based on innovative coal chemistry technologies in the Far East of Russia. Fiziko-tekhnicheskie problemy razrabotki poleznykh iskopaemykh. 2018, no. 1, pp. 166—177. [In Russ]. DOI: 10.15372/FTPRPI20180119.
4. Ismagilov Z. R., Zherebtsov S. I., Votolin K. S., Malyshenko N. V., Shpakodraev K. M. Complex processing of brown coals to produce rock wax and humic preparations. Nauka i tehnologii Sibiri. 2022, no. 5, pp. 9—18. [In Russ].
5. Zherebtsov S. I., Malyshenko N. V., Votolin K. S., Androkhanov V. A., Sokolov D. A., Dugarjav J., Ismagilov Z. R. Study of the biological activity of humine substances for the creation of preparations against desertification. Chemistry for sustainable development. 2019, vol. 27, no. 2, pp. 155—163. [In Russ]. DOI: 10.15372/KhUR2019121.
6. Zherebtsov S. I., Malyshenko N. V., Votolin K. S., Shpakodraev K. M., Ismagilov Z. R., Sokolov D. A., Androkhanov V. A. Dependence of the biological activity of brown coal humic acids on the concentrations of macro and trace elements. Solid fuel chemistry. 2021, no. 4, pp. 21—26. [In Russ]. DOI: 10.15372/KhUR2019121.
7. Gorlov E. G., Moisa Y. N., Strizhko F. N. Experimental technology for the production of polymer-humate drilling reagents. Solid fuel chemistry. 2020, no. 1, pp. 43—48. [In Russ]. DOI: 10.31857/S002311772001003X
8. Kuklina G. L., Solovov Ju. G., Zakiev R. B., Blohin Ju. F. Study of the influence of ballastfree humates from coals of Eastern Transbaikalia on the parameters of drilling fluids. MIAB. Mining Inf. Anal. Bull. 2009, no. S3, pp. 130—143. [In Russ].
9. Petrova G. I., Bychev M. I. Elektrokhimicheskaya pererabotka burykh ugley [Electrochemical processing of brown coals], Yakutsk, YAF Izd-va SO RAN, 2001, 168 p.
10. Moskalenko T. V., Mikheev V. A., Vorsina E. V. Experience in processing brown coals of the Lena basin into humic preparations. Gornyi Zhurnal. 2018, no. 1, pp. 63—67. [In Russ]. DOI: 10.17580/gzh.2018.01.11.
11. Moskalenko T. V., Mikheev V. A. Oxidative impact on brown coal of Kangalassky deposit to increase the yield of humic acids. MIAB. Mining Inf. Anal. Bull. 2015, no. S30, pp. 220—227. [In Russ].
12. Moskalenko T. V., Mikheev V. A., Vorsina E. V. Artificially obtained humin substances for restoration of soils. Advances in current natural sciences. 2018, no. 1, pp. 109—114. [In Russ].
13. Wu J., Jiang R., Lin W., Ouyang G. Effect of salinity and humic acid on the aggregation and toxicity of polystyrene nanoplastics with different functional groups and charges. Environmental Pollution. 2019, vol. 245, pp. 836—843. DOI: 10.1016/j.envpol.2018.11.055.
14. Peng X.-X., Gai S., Cheng K., Yang F. Roles of humic substances redox activity on environmental remediation. Journal of Hazardous Materials. 2022, vol. 435, article 129070. DOI: 10.1016/j.jhazmat.2022.129070.
15. Guo X., Liu H., Wu S. Humic substances developed during organic waste composting: Formation mechanisms, structural properties, and agronomic functions. Science of the Total Environment. 2019, vol. 662, pp. 501—510. DOI: 10.1016/j.scitotenv.2019.01.137.
16. Kaya C., Senbayram M., Akram N. A., Ashraf M., Alyemeni M. N., Ahmad P. Sulfur-enriched leonardite and humic acid soil amendments enhance tolerance to drought and phosphorus deficiency stress in maize (Zea mays L.). Scientific Reports. 2020, vol. 10, no. 1, article 6432. DOI: 10.1038/s41598-020-62669-6.
17. Zanin L., Tomasi N., Cesco S., Varanini Z., Pinton R. Humic substances contribute to plant iron nutrition acting as chelators and biostimulants. Frontiers in Plant Science. 2019, vol. 10, article 675. DOI: 10.3389/fpls.2019.00675.
18. Nikitina I. M., Epshtein S. A., Fomenko N. A., Kossovich E. L. Humic acids of solid fossil fuels-perspectives for application in technology and environment protection. Eurasian Mining. 2016, no. 2, pp. 33—36. DOI: 10.17580/em.2016.02.08.
19. Tan Z., Zhu H., He X., Xi B., Tian Y., Sun X., Zhang H., Ouche Q. Effect of ventilation quantity on electron transfer capacity and spectral characteristics of humic substances during sludge composting. Environmental Science and Pollution Research. 2022, vol. 29, no. 46, pp. 70269—70284. DOI: 10.1007/s11356-022-20808-8.
20. Xu J., Zhao B., Chu W., Mao J., Zhang J. Chemical nature of humic substances in two typical Chinese soils (upland vs paddy soil). A comparative advanced solid state NMR study. Science of the Total Environment. 2017, vol. 576, pp. 444—452. DOI: 10.1016/j.scitotenv.2016.10.118.
21. Xu J., Zhao B., Li Z., Chu W., Mao J., Olk D. C., Zhang J., Xin X., Wei W. Demonstration of chemical distinction among soil humic fractions using quantitative solid-state 13C NMR. Journal of Agricultural and Food Chemistry. 2019, vol. 67, no. 29, pp. 8107—8118. DOI: 10.1021/acs.jafc.9b02269.
22. El-sayed M. E. A., Khalaf M. M. R., Gibson D., Rice J. A. Assessment of clay mineral selectivity for adsorption of aliphatic/aromatic humic acid fraction. Chemical Geology. 2019, vol. 511, pp. 21—27. DOI: 10.1016/j.chemgeo.2019.02.034.
23. Solovev T. M., Hao J., Durov N. M. Composition and properties of brown coal from the Kangalassky deposit of the Republic of Sakha (Yakutia). Chemical industry today. 2022, no. 2, pp. 30—37. DOI: 10.53884/27132854_2022_2_30.
24. Yudovich Ya. E., Ketris M. P. Toksichnye elementy-primesi v iskopaemykh uglyakh [Toxic trace elements in coals], Ekaterinburg, UrO RAN, 2005, 649 p.
25. Silkin S. V., Kulikov E. E., Popov I. A. Investigation of the controlled ultrasonic dispersion of peat and brown coal in water. Proceedings of Moscow institute of physics and technology. 2018, vol. 10, no. 3 (39), pp. 86—95. [In Russ].
26. Koshelev A. V., Golovkov V. F., Derevyagina I. D., Kaabak L. V., Smirnova Zh. V., Epifanova O. A., Mamontov S. P., Eleev Ju. A. Research of humic preparations obtained from lignite. Chemistry and Technology of Organic Substances. 2019. № 3 (11), pp. 28—40. [In Russ]. DOI: 10.54468/25876724_2019_3_28.
27. Kozhevnikov Y. A., Serbin V. V. Extraction of humic substances from lignite of the Kansk-Achinsk basin by ultrasonic treatment. Transactions of Academenergo. 2019, no. 2 (55), pp. 89—97. [In Russ].
28. Stevenson F. J. Humus chemistry, genesis, composition, reactions. New York, 1982. 443 p.