INNOVATIONS

Original paper

UDC 669.1:622.74(045) M.N. Stepantsevich¹, F.U. Karshiev², Kh.Kh. Yuldashev³, S.O. Kurashkin⁴, L.V. Krasovskaya⁵, Z.M. Umurzakov⁶, 2025

ISSN 0041-5790 (Print) • ISSN 2412-8333 (Online) • Ugol’ – Russian Coal Journal, 2025, № 6, pp. 69-73

DOI: http://dx.doi.org/10.18796/0041-5790-2025-6-69-73

Title

STRATEGIC DIRECTION OF FERROUS METALLURGY DEVELOPMENT BASED ON LIGNITE UTILIZATION

Authors

M.N. Stepantsevich¹, F.U. Karshiev², Kh.Kh. Yuldashev³, S.O. Kurashkin⁴, L.V. Krasovskaya⁵, Z.M. Umurzakov⁶

1. Russian State Agrarian University – Moscow Timiryazev Agricultural Academy, Moscow, 127550, Russian Federation
2. Termez State University, Termez, 190100, Uzbekistan
3. Islam Karimov Аlmalyk Branch of Tashkent State Technical University, Almalyk, 110100, Uzbekistan
4. Bauman Moscow State Technical University, Moscow, 105005, Russian Federation
5. Russian State Agrarian University – Moscow Timiryazev Agricultural Academy, Moscow, 127434, Russian Federation
6. “Tashkent Institute of Irrigation and Agricultural Mechanization Engineers” National Research University, Tashkent, 100000, Uzbekistan e-mail: stepancevich@rgau-msha.ru

Authors Information

• Stepantsevich M.N. – PhD (Economic), Associate Professor, Russian State Agrarian University - Moscow Timiryazev Agricultural Academy, Moscow, 127550, Russian Federation, e-mail: stepancevich@rgau-msha.ru
• Karshiev F.U. – Doctor of Engineering Sciences, Professor, Termez State University, Termez, 190100, Uzbekistan, e-mail: fkarshiev@mail.ru
• Yuldashev Kh.Kh. – Doctoral Student, Аlmalyk Branch of Islam Karimov Tashkent State Technical University, Almalyk, 110100, Uzbekistan, e-mail: hayrulloh0411@gmail.com
• Kurashkin S.O. – Senior Researcher, Bauman Moscow State Technical University, Moscow, 105005, Russian Federation, e-mail: evsjob@yandex.ru
• Krasovskaya L.V. – PhD (Engineering), Associate Professor, Russian State Agrarian University – Moscow Timiryazev Agricultural Academy, Moscow, 127434, Russian Federation, e-mail: kraslud@yandex.ru
• Umurzakov Z.M. – Assistant, “Tashkent Institute of Irrigation and Agricultural Mechanization Engineers” National Research University, Tashkent, 100000, Uzbekistan, e-mail: zufar1410@gmail.com

Abstract

The presented work is devoted to the development of a new generation ferrous metallurgy concept based on the use of lignite. In the context of global economic challenges and environmental constraints, traditional coke-oven pig iron production technologies are becoming less and less sustainable. The aim of the study is to substantiate the possibility and feasibility of replacing coking coal with lignite by means of its partial gasification and subsequent use of gasification products for iron reduction. The paper analyses the physical and chemical properties of brown coal of the deposit, studies the processes of its partial gasification and direct reduction of iron using the obtained thermocoke and gas fuel. Experimental results have shown the possibility of achieving a high degree of iron metallisation and a potential reduction in the cost of pig iron by 30-40% compared to conventional technologies.

Keywords

Lignite, gasification, ferrous metallurgy, iron recovery, thermocoke, ecology, economic efficiency, innovative technologies.

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For citation

Stepantsevich M.N., Karshiev F.U., Yuldashev Kh.Kh., Kurashkin S.O., Krasovskaya L.V., Umurzakov Z.M. Strategic direction of ferrous metallurgy development based on lignite utilisation. Ugol’. 2025;(6):69-73. (In Russ.). DOI: 10.18796/0041-5790-2025-6-69-73.

Paper Info

• Received: April 15, 2025
• Reviewed: May 16, 2025
• Accepted: May 26, 2025