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Mechanical Properties and Consolidation Performances of High-Polymer Material in Coal
Energies, 2020 Roof collapse and wall spalling in mines commonly occurred. Grouting in the rock mass of a collapsed zone is one of the most effective technologies for solving this problem.
Yulong Chen, Yingchun Li
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Записки Горного института, 2021 Spontaneous combustion of coal remains an important problem for coal mines, which can lead to an explosion of methane and coal dust. Accidents associated with spontaneous combustion of coal can cause significant economic losses to coal mining companies ...
Vladimir P. Zubov, Dmitrii D. Golubev
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Development of coal-feeding systems at the Morgantown Energy Research Center [PDF]
, 1977 Systems for feeding crushed and pulverized coal into coal conversion reactor vessels are described. Pneumatic methods for feeding pulverized coal, slurry feeders, and coal pumps, methods for steam pickup, and a method for drying a water-coal slurry in a ...
Hobday, J. M.
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INFLUENCE OF TECHNOLOGICAL FACTORS ON COAL MICROHARDNESS
Известия Томского политехнического университета: Инжиниринг георесурсов, 2019 A natural feature in changing hardness and strength of coals, their solid products of thermal processing and briquettes based on them is of great theoretical importance, because these parameters can indirectly characterize the properties associated with ...
Svetlana N. Saltykova +1 more
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How Responsive Are EU Coal-Burning Plants to Changes in Energy Prices? [PDF]
, 2015 The European Union (EU) Emissions Trading System (ETS) has implicitly made it more expensive to burn coal relative to natural gas because coal has a higher carbon content.
Meyer, Andrew G., Pac, Grzegorz
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Environmental and Climate Dilemma: Coal for Heating or Clean Air for Breathing: A Case of Prishtina
Environmental and Climate Technologies, 2019 Air pollution as a global issue is an essential health problem, faced by millions of people all over the world. It is a huge problem encountered by the citizens of the city of Prishtina, too.
Bajcinovci Bujar
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MATHEMATICAL MODELING OF COAL AND SEWAGE SLUDGE CO-CONVERSION USING DOWNDRAFT GASIFER
Известия Томского политехнического университета: Инжиниринг георесурсов, 2019 The relevance of the study is caused by the need to utilize municipal waste. The utilization of combustible waste, such as sewage sludge, can be combined with energy production for small-scale consumers.
Igor G. Donskoy
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矿业科学学报, 2022 The abnormal high pressure in coal and coalbed methane exploitation will bring danger to exploitation, thus threatening the safety of personnel and property.Six coal samples collected from Yuwang colliery in Yunnan province were analyzed by CT scanning ...
Che Yuyan +4 more
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Continuous coal processing method [PDF]
, 1980 A coal pump is provided in which solid coal is heated in the barrel of an extruder under pressure to a temperature at which the coal assumes plastic properties.
Ryason, P. R.
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SUSTAINABLE DEVELOPMENT OF TERRITORIES OF MINING REGIONS [PDF]
, 2018 Developing innovative technologies of mining coal seams and increasing the competitiveness of coal produced and providing further diversification of the mine using the "post-mining" concept as the basis for sustainable ...
DUBOVIK, Oleksandr, LOHUNOVA, Oleksandra
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