Proceedings of the 8th Russian-Chinese Symposium “Coal in the 21st Century: Mining, Processing, Safety"

Session: Deep coal processing. Coal chemistry. Gasification. Ecology

22 articles
Proceedings Article

The role of innovative technologies in solving Kuzbass coal industry geo-ecological problems

Vladymir Kovalev, Alexey Khoreshok, Oleg Litvin
The coal mining industry is fundamental for social and economic development of the Kemerovo region (Western Siberia, Russia). This is due to the fact that on the territory of the region the Kuznetsk coal basin is located with unique grades of coal and high coal-bearing strata on a relatively small area....
Proceedings Article

Regarding One Estimation Of The Technical Condition Of The Selective Headers

Vladymir Kovalev, Alexey Khoreshok, Boris Gerike, Anatoliy Meshkov
The paper presents an issue of estimation of the technical condition of the selective headers applying mathematical model of alteration of the actual condition of an object of diagnostics. The paper shows that a complex method is more relevant to the selective headers; the method is based on emission-and-spectrum...
Proceedings Article

Study Of Sulfur Oxide Reduction During Combustion Of Coal-Water Slurry

Vasiliy Murko, Viktor Karpenok, Yuliy Senchurova, Oleg Tailakov, Veniamin Khyamyalyainen
It is shown that the developed forecast model, based on statistical analysis of the results of the lubricant oil and parameters of mechanical vibrations, allows with 95% confidence probability to predict a moment of the cutting gear breakdown and schedule a timely maintenance.
Proceedings Article

Cleaning the Flue Gases of Thermal Coal Power Plants from Sulfur and Nitrogen Oxides

Mihail Shilyaev, Alexandr Bogomolov, Igor Dvorovenko, Andrey Sysolyatin, Sergey Kryukov, Maksim Chemakin
An experimental setup for adapting the absorption mathematical model (M.I. Shilyaev) in the Venturi scrubber for finding the phase equilibrium coefficients by debugging the algorithm in absorption processes of SO2 extraction by water was developed. The elements of basic equipment were calculated: Venturi...
Proceedings Article

Investigation of the sorption properties of ore materials for the removal of sulfur dioxide from exhaust flue gases of power plants

Nadezhda Shikina, Tatyana Teryaeva, Zinfer Ismagilov, S.R. Khairulin, Vladimir Kuznetsov, N.A. Rudina
The prospects of using a natural material – ferromanganese nodules (FMN) from the Gulf of Finland – as the SO2 adsorbent are discussed. The starting material was studied as pellets and powder using X-ray fluorescence spectroscopy, XRD, BET, and mechanical strength analysis; dependences of physicochemical...
Proceedings Article

The Development of Gas Energy Potential of Coal Deposits as the Necessary Step Towards the Russian Coal Industry Modernization

Sergey Lazarenko, Georgiy Dubov, Anastasia Shirokolobova
The paper describes the current state of works on the gas component development of the energy potential of coal deposits in Russia. The development of the following technologies is being considered: underground coal gasification; industrial methane extraction from coal deposits; methane extraction of...
Proceedings Article

Catalysts for Nitrogen Oxides Removal from Flue Gases

Nadezhda Shikina, Oleg Tailakov, Zinfer Ismagilov
Main catalytic systems for nitrogen oxides removal from flue gases of thermal power plants by the method of selective catalytic reduction (SCR) with ammonia are reviewed. Mechanisms of the process and catalysts preparation methods are examined; analysis of commercial catalytic systems is performed. Novel...
Proceedings Article

Justification of a Method for Determination of Gas Content in Coal Seams to Assess Degasification Efficiency

Oleg Tailakov, Alexey Kormin, Denis Zastrelov, Evgeniy Utkaev, Sergey Sokolov
the article presents a set of methods to assess gas liberation from coal substance on stages of drilling and coal core extraction, free gas discharge and gas diffusion from coal in the course of its activation by mechanical disturbance. The issues of their use in the mining industry are discussed. The...
Proceedings Article

Research in the Propping Agent for the Hydraulic Fracturing Cracks for the Methane Extraction from the Massive Coal Seams

Mikhail Baev, Veniamin Khyamyalyaynen
The success of coalbed methane field development is largely determined by the effectiveness of using special gas production stimulation methods. The need of implementing of such methods is driven by features of location and movement of methane in the coal body. The process of hydraulic fracturing as...
Proceedings Article

Methodological Bases of Advanced Geo-ecological Problems Resolving in Neo-industrial Clusters

Maxim Tyulenev, Yury Lesin, Svetlana Vik, Sergey Zhironkin
The importance of geo-ecological studies is confirmed by an insufficient readiness of methodological approaches and conceptual bases of research of geo-ecological factors of innovative development of industrial clusters at the market transformation stage of the Russian economy, the analysis of regularities,...
Proceedings Article

Evaluation of the Coking Capacity Indicator of Coking Coal Concentrates Based on the Research of Non-volatile Residue Strength Via Determination of the Coking Chemical Products Yield

Elena Vasileva, Tatyana Cherkasova, Sergey Subbotin, Aleksandr Nevedrov, Andrey Papin, Nikolay Kolmakov
In modern conditions, one of the most acute problems for the coking industry include deterioration of raw material base for coking and coking coal deficit. The negative impact of the deterioration of the raw material condition on the yield and quality of coking products can be compensated by the increase...
Proceedings Article

Dependence of the Yield of Chemical Coking Products from Coal Concentrates on Their Nature

Elena Vasileva, Tatyana Cherkasova, Sergey Subbotin, Aleksandr Nevedrov, Andrey Papin, Nikolay Kolmakov
The relevance of the work is justified by the need for a comprehensive assessment of the quality of coal concentrate used to produce coal blends in the coking process, and resources of coking chemical products derived from them. This information is necessary for making optimal coal blends for coking...
Proceedings Article

Coal Waste as Raw Material for Production of Rare and Trace Elements

Tatiana Cherkasova, Yelizaveta Cherkasova, Anastasia Tikhomirova, Alyona Bobrovnikova, Andrey Papin, Aleksandr Nevedrov
Huge masses of coal wastes create serious environmental problems in the Kemerovo region and require a comprehensive approach to the development of deposits. Coal must be considered as a complex raw material, which contains valuable rare and trace metals, the recovery of which creates products with high...
Proceedings Article

Operational Reliability of Corrosion Protection of Structures in Industrialized Region

Yelizaveta Cherkasova, Natalia Zolotuhina, Irina Goryunova, Tatyana Bulanova, Valentina Chenskaya
The importance of corrosion protection in industrialized regions, providing industrial security of enterprises is considered. The technical analysis of metal and concrete structures of industrial enterprises operating in contact with the industrial environment of Kuzbass region shows that the corrosion...
Proceedings Article

Prodicing Mesitylene by Dehydrotreatment of C9-aromatics Distilled from Coal Pyrolysis Products

Ivan Petrov, Boris Tryasunov
The paper describes the results of studies on improving nickelia-vanadia-based catalyst for ethyltoluenes dehydrogenation and the features of the process for mesitylene production on its base. This process (dehydrotreatment of C9-aromatics) includes catalytic removal of ethyltoluene impurities from C9...
Proceedings Article

Mechanochemical capture of carbon disulfide by magnesium-carbon composite

Liu Bogu, Zhang Qianqian, Liu Pei, Chen Haipeng, Yu Hao, Zhou Shixue
This work is concerned with mechanochemical capture of carbon disulfide (CS2) by magnesium-carbon composite from ball-miling of Mg and carbonized anthracite. XRD analysis shows that cubic crystal MgS forms when milling time increases more than 1.0 h. The sulfur contents in composites from 0.5, 1.0, 1.5...
Proceedings Article

Estimation of Gross Regional Product Losses Due to the Influence of Environmental Factors (in the Context of an Industrial Region)

Petr Kosinskiy, Vladimir Merkuryev, A. V. Medvedev
The scientific and methodological study of environmental pollution impacts on the gross regional product generation and the loss in the coal region is presented. Restrictions on the activities of the region's economic agents are given. Statistical data on people health/morbidity are cited. Evaluation...
Proceedings Article

Environmental Safety Management of a Coal Mining Enterprise

Natalya Golofastova, Vladimir Mikhailov, Tatiana Galanina
The purpose of the study is an analysis of the environmental safety performance at the local level (a coal mining enterprise) and proposals for improvement of the management decision support mechanism aimed at the environmental safety improving. The results of the study of theoretical and applied aspects...
Proceedings Article

Transformation of the Ecological-economic System of the Coal Mining Region

Vladimir Mikhailov, Natalya Golofastova, Ilya Seredyuk
The evolution and the origin of known systemic ecological-economic interactions, which is especially important in the modern conditions of "technocratic" mode of production characteristic of the coal industry of Kuzbass, are examined in the article. The purpose of the research is to establish the transformation...
Proceedings Article

Effect of Binder on Chemically Bonded Fly Ash Aggregate Based on Kuzbass Coal Combustion Products

Alexander Zhikharev, Aleksey Kargin, Andrey Uglanica
The possibility to test the use of alternative binders for the production of chemically bonded fly ash aggregate made of low-calcium ash of Kemerovo thermal power stations running on the coal from the Kuznetsk Coal Basin mines is described in this paper. The strength of the granules was taken as the...
Proceedings Article

Numerical simulation of gas flow based on three-dimensional reconstruction using computed tomography

Chu Xiangyu, Wang Gang
In order to obtain the real physical model characterizing the pore and fissure structures of coal rocks and explore the seepage rules of coalbed methane (CBM) using numerical simulation, we proposed a sequential study method from real coal model to coal CAD model to coal finite element model. The coal...
Proceedings Article

Sulfur Transfer Characteristics and Pyrolysis Simulation in the Coal Polygeneration Process

Zhang Yaqing, Zhu Jialong, Liang Peng
In the polygeneration process of coal pyrolysis/circulating fluidized bed (CFB) combustion, the sulfur transformation characteristics and a heat transfer, reaction, pyrolysis mathematical model for the non-isothermal coal particles has been studied. The results show that, the circulating ash was effective...