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。
The results showed that HF acid has remarkable deashing capacity for coal and graphite with high Si and low Ca content.
结果表明，HF酸对高硅低钙含量的煤和石墨有显著的脱灰效果；
Ash component analysis before and after deashing of Datong coal indicated that a linear relationship exists between ash content in deashed coal and total contents of Si and Fe in the ash.
对大同烟煤脱灰前后的灰组成分析表明，高精煤中的灰分含量与其所含的硅、铁组分的质量之和呈线性关系。
A new method of deashing was provided to solve the difficulty of flotation deashing by some special kind of reagent changing the surface nature of Zhungeer coal.
主要针对准格尔煤浮选降灰的难度，提出某种药剂改变准格尔煤表面性质，从而降低灰分的方法。
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。
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。
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