The environmental pollution by burning coal has been becoming a severe problem. With the development of multiple mechanical mining, the output of fine granular coal has greatly increased. It is very difficult for the ...The environmental pollution by burning coal has been becoming a severe problem. With the development of multiple mechanical mining, the output of fine granular coal has greatly increased. It is very difficult for the traditional technology of cleaning coal to desulfurize -0.5 mm high sulfur coal, whereas the desulfurized polytechnology of high gradient magnetic selection (HGMS) combined with flotation will be a potential new technique in solving this problemt. Therefore, pyrites and coals of Nantong coal mining district in Sichuan Province, China, have been tested by the mass susceptibility, which provides scientific data for HGMS.展开更多
基金Project supported by the National Natural Science Foundation of China.
文摘The environmental pollution by burning coal has been becoming a severe problem. With the development of multiple mechanical mining, the output of fine granular coal has greatly increased. It is very difficult for the traditional technology of cleaning coal to desulfurize -0.5 mm high sulfur coal, whereas the desulfurized polytechnology of high gradient magnetic selection (HGMS) combined with flotation will be a potential new technique in solving this problemt. Therefore, pyrites and coals of Nantong coal mining district in Sichuan Province, China, have been tested by the mass susceptibility, which provides scientific data for HGMS.
