Results 71 to 80 of about 1,389,592 (239)
Coal desulfurization process [PDF]
, 1978 A method for chlorinolysis of coal is an organic solvent at a moderate temperautre and atmospheric pressure has been proven to be effective in removing sulfur, particularly the organic sulfur, from coal.
Ganguli, P. S. +3 more
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Technologies of coatings employment for coals oxidation resistance improvement
AIMS Energy, 2019 The paper is dedicated to studying of the efficiency of application of the dust control agents not only for their original aims, but also for increasing of oxidation resistance of the solid fossil fuels.
Svetlana Epshtein +5 more
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Ecological pellets from brown coal and biomass [PDF]
Acta Montanistica Slovaca, 2007 One way of renewable energy sources applications in the Czech republic is a cultivation of biomass plants. After the biomass reformation, it is possible to add it to palletizing mixes with coal and delulfurisative additives.
Pavel Sedláček +3 more
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A global platform for accelerating coal efficiency (PACE) [PDF]
The World Coal Association released this concept paper in December 2014 on establishing a Platform for Accelerating Coal Efficiency (PACE). The vision of PACE would be that for countries choosing to use coal, the most efficient power plant ...
World Coal Association
core
Experimental Study of the Pore Structure and Permeability of Coal by Acidizing
Energies, 2018 The permeability of coal reservoirs prominently determines methane flow in reservoirs. A large amount of coal reservoirs containing methane, however, have low permeability because pores in reservoirs are sealed.
Bo Zhao +3 more
doaj +1 more source
Coal extrusion in the plastic state [PDF]
, 1977 Continuous feeding of coal in a compressing screw extruder is described as a method of introducing coal into pressurized systems. The method utilizes the property of many bituminous coals of softening at temperatures from 350 to 425 C.
England, C., Ryason, P. R.
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Spontaneous combustion of coals and coal-shales
International Journal of Mining Science and Technology, 2018 Spontaneous combustion of coal is a well-known phenomena around the globe. Apart from the coal itself, burning coal-shales is becoming a problem in the South African coal mines. Serious incidents of spontaneous combustion have been reported as a result of self-heating of reactive coal-shales. The intrinsic properties and spontaneous combustion tests of
B. Genc, Moshood Onifade
openaire +3 more sources
Injuries frequency of employees in underground coal mines in Serbia [PDF]
Podzemni Radovi, 2017 The work in underground coal mines is one of the most difficult activities. General characteristic of working condition these mines are contained in the fact that all coal mines are in the low mechanized level which produce heavy manual work, low ...
Todorović Vladimir +2 more
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Chemical-Looping Combustion and Gasification of Coals and Oxygen Carrier Development: A Brief Review
Energies, 2015 Chemical-looping technology is one of the promising CO2 capture technologies. It generates a CO2 enriched flue gas, which will greatly benefit CO2 capture, utilization or sequestration.
Ping Wang +4 more
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