Soil production from oxidized bituminous coal for biological reclamation of disturbed land

The article describes the use of ash and slag waste and oxidized bituminous coal from the Kuznetsk Basin in production of soil for reclamation of disturbed land. The implemented research revealed the most efficient methods of oxidized bituminous coal activation. It is shown that ultrasonic activation increases the yield of «free» humic acids from oxidized coal by 5 times. Therefore, in preparation of test soil samples, the wetted mixtures of ash and slag and oxidized coal were subjected to ultrasonic activation. The resultant estimates of biological activity of the test soil samples as an individual soil layer and as an addition to overburden rocks are described. The results of oat sprouting show than introduction of 10% of soil in overburden rocks greatly stimulates germinating ability of seed, and promotes growth of culm and roots. The analysis of water extracts proves that the increase in percentage of oxidized bituminous coal in soil normalizes pH of the water extracts to 8.1, reduces entry of potentially hazardous elements, such as Cu, V and Zn, in water bodies and adds to the content of water-soluble forms of such critical agrochemical elements as phosphorus, magnesium, potassium and sodium.

Keywords: oxidized bituminous coal, ash and slag waste, overburden rocks, soil, biological activity, germinating ability, reclamation, humic substances, mechanical activation, ultrasonic treatment.
For citation:

Shaikhislam G., Solovev T. M., Epstein S. A., Pestryak I. V., Semina I. S. Soil production from oxidized bituminous coal for biological reclamation of disturbed land. MIAB. Mining Inf. Anal. Bull. 2024;(8):5-18. [In Russ]. DOI: 10.25018/0236_1493_2024_8_0_5.

Acknowledgements:

The study was carried out within the framework of the Technologies for Sustainable Development Project of the Priority 2030 Strategic Academic Leadership Program.

Issue number: 8
Year: 2024
Page number: 5-18
ISBN: 0236-1493
UDK: 658.567.1:622.33:504.064
DOI: 10.25018/0236_1493_2024_8_0_5
Article receipt date: 08.04.2024
Date of review receipt: 13.05.2024
Date of the editorial board′s decision on the article′s publishing: 10.07.2024
About authors:

G. Shaikhislam1, Graduate Student, e-mail: gulshatshaikhislam@gmail.com, ORCID ID: 0009-0004-6988-1747,
T.M. Solovev1, Cand. Sci. (Eng.), Leading Engineer of Scientific Project, e-mail: tuskulsolovev@yandex.ru, ORCID ID: 0000-0002-7824-7623,
S.A. Epstein1, Dr. Sci. (Eng.), Professor, Head of Laboratory, e-mail: apshtein@yandex.ru, ORCID ID: 0000-0001-8356-4319,
I.V. Pestryak1, Dr. Sci. (Eng.), Professor, Head of Chair, e-mail: spestryak@mail.ru, ORCID ID: 0000-0002-1745-6579,
I.S. Semina, Cand. Sci. (Biol.), Assistant Professor, Director of the Center «Geoecology», Siberian State Industrial University, 654007, Novokuznetsk, Russia, e-mail: semina.i@mail.ru, ORCID ID: 0000-0001-9222-0358,
1 Research Testing Laboratory of Physicsand Chemistry of Coals, NUST MISIS, 119049, Moscow, Russia.

 

For contacts:

G. Shaikhislam, e-mail: gulshatshaikhislam@gmail.com.

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