LAST
发表于 2025-4-1 05:40:33
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小争吵
发表于 2025-4-1 07:46:49
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切割
发表于 2025-4-1 14:10:30
Richa Mudliar,Rajesh Sathiyamoorthyn from its combustion. The SO. emission can be minimized by reducing sulphur concentration of coal before the combustion process. Out of physical, chemical and biological approaches, the latter is considered to be more feasible for sulphur removal due to its economical-viability and environmentally
Hemiparesis
发表于 2025-4-1 16:17:24
Hossein Etemadfard,Maryam Moradiy effective yet economically viable ways to perform coal beneficiation. At present, coal cleaning is primarily accomplished through physical separation of mineral matter from coal particles. However, the known processes like jig, density separation and froth flotation typically demineralizes coarse
LAST
发表于 2025-4-1 20:58:13
https://doi.org/10.1007/978-94-007-4189-8 solutions. The general methods for preparation of coal-derived activated carbon can be divided into two categories: physical and chemical methods. The effects of pretreatment of the coals, coal and activating agent types and thermal treatment parameters (temperature, heating rate, reagent dosage, a