Evaluation of environmental impact of marl mining and cement production in the Krasnodar Krai

In the Krasnodar Krai, extraction of marl and manufacture of cement on this basis produces air emission of such substances as nitrogen dioxide, nitrogen oxide, carbon oxide, inorganic dusty, heavy metals, suspended solids etc. The dust emission compositions are analyzed at the largest marl and cement plants of the Novorossiysk industrial agglomeration. The chemical composition of air emission in cement production greatly depends on addition of gypsum, limestone, marl, chalk, clay and slag in clinker grinding and manufacture of a marketable product. It is recommended to add the next regular update of Technical Reference Guide NDT 6-2022: Cement Production with ecological markers of marl extraction, such as: nitrogen oxide, nitrogen dioxide, carbon oxide, suspended solids and inorganic dust. The best currently available and promising technologies are recommended for the extraction and initial processing of marl-bearing material, which allow essential reduction of pollutant emission, as well as enhancement of the resourceand energy-efficiency of cement production. The analysis of waste of allied industries (manmade resource) in the Krasnodar Krai determined the waste processibility and usability in cement production at a high environmental effect. The ways of introducing the energyand resource-saving technologies in extraction of marl and in production of cement along with reduction of manmade pollution and technological development of the industry are proposed, which can promote formation of an effective closed-cycle economy model in the Krasnodar Krai.

Razmakhnin K. K., Torosyan E. S. Evaluation of environmental impact of marl mining and cement production in the Krasnodar Krai. MIAB. Mining Inf. Anal. Bull. 2025;(11):49-63. [In Russ]. DOI: 10.25018/0236_1493_2025_11_0_49.

The study was supported by the Russian Science Foundation and Kuban Science Foundation within the framework of the 2024 Contest of Basic and Exploratory Research by Individual Scientific Teams (regional contest), and Project No. 24-18-20049 Regional Closed-Cycle Economy: Institutional Models and Development Technologies (A Case-Study of the Krasnodar Krai).

K.K. Razmakhnin¹, Dr. Sci. (Eng.), e-mail: constantin-const@mail.ru, ORCID ID: 0000-0003-2944-7642,
E.S. Torosyan¹, Head of the Intellectual Property Department, e-mail: torosyane@inbox.ru, ORCID ID: 0009-0004-6094-1758,
¹ Kuban State University, 350040, Krasnodar, Russia.

K.K. Razmakhnin, e-mail: constantin-const@mail.ru.

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