For effective desulfurization and deashing of high-sulfur coal with its use of usual magnetic separation device, a surface magnetism enhancement of coal-derived minerals is a new key technology.
煤系矿物的表面磁性强化是利用通常磁选设备实现高硫煤脱硫脱灰的新型关键技术。
As a new development of mild coal cleaning, the desulfurization and deashing of coal by electrochemical oxidation of coal water slurry has received an increasing great interest abroad.
作为一种煤的温和化化学净化，煤的电化学法脱灰脱硫近期在国外引起广泛关注。
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