Residual coal exploitation and its impact on sustainable development of the coal industry in China |
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| Affiliation: | 1. College of Mining Engineering, Taiyuan University of Technology, Taiyuan 030024, China;2. Shanxi Engineering Research Center for Green Mining, Taiyuan 030024, China;3. College of Architecture and Civil Engineering, Taiyuan University of Technology, Taiyuan 030024, China;4. Institute of Mining Technology, Taiyuan University of Technology, Taiyuan 030024, China;1. College of Mining Engineering, Taiyuan University of Technology, Taiyuan 030024, China;2. State Key Laboratory of Coal Resources and Safe Mining, China University of Mining and Technology, Xuzhou 221008, China;3. Western Australian School of Mines, Curtin University, Kalgoorlie, Western Australia 6430, Australia;4. Green Mining Engineering Technology Research Center of Shanxi Province, Taiyuan 030024, China;5. College of Safety Engineering, China University of Mining and Technology, Xuzhou 221008, China;1. School of Business Administration, China University of Petroleum, Beijing 102249, China;2. Management School, University of Liverpool, Liverpool L69 7ZH, England;3. Graduate School of Energy Science, Kyoto University, Yoshida-honmachi, Sakyo-ku, Kyoto 606-8501, Japan;4. Global Energy Systems, Department of Earth Sciences, Uppsala University, Villavägen 16, SE-752 36 Uppsala, Sweden;1. The Mineral and Energy Economy Research Institute of the Polish Academy of Sciences, Wybickiego 7, 31-261 Cracow, Poland;2. AGH University of Science and Technology, Al. Mickiewicza 30, 30-059 Cracow, Poland;3. Central Mining Institute, pl. Gwarków 1, 40-166 Katowice, Poland;1. College of Mining Engineering, Taiyuan University of Technology, Taiyuan 030024, China;2. College of Economics and Management, Taiyuan University of Technology, Taiyuan 030024, China;3. School of Management, Harbin Institute of Technology, Harbin 150001, China;4. Department of Economics, Ecole Polytechnique, Paris 91128, France |
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| Abstract: | Although China owns large coal reserves, it now faces the problem of depletion of its coal resources in advance. The coal-based energy mix in China will not change in the short term, and a means of delaying the coal resources depletion is therefore urgently required. The residual coal was exploited first with a lower recovery percentage and was evaluated as commercially valuable damaged coal. This approach is in comparison to past evaluations when the residual coal was allocated as exploitation losses. Coal recovery rates, the calculation method of residual coal reserves and statistics of its mines in China were given. On this basis, a discussion concerning the impacts on the delay of China's coal depletion, development of coal exploitation and sustainable developments, as well as technologies and relevant policies, were presented. It is considered that the exploitation of residual coal can effectively delay China's coal depletion, inhibit the construction of new mines, redress the imbalance between supply and demand of coal in eastern China, improve the mining area environment and guarantee social stability. The Chinese government supports the exploitation technologies of residual coal. Hence, exploiting residual coal is of considerable importance in sustainable development of the coal industry in China. |
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| Keywords: | Residual coal Coal depletion Reserves Sustainable development Energy policy |
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