cleaned coal

基本解释

As a result of reform not only is the technological process flexible to adapt the quality quest of cleaned coal, but also the production quantity is increased.
改造后工艺系统不仅灵活，适应生产不同质量要求的精煤，而且扩大入洗量，经济效益显著。
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Losing fine cleaned coal is recovered by the study of fine cleaned coal treatment technology in centrifugal liquid, which would improve the cleaned coal yield and enterprise economic benefit.
通过对离心液末精煤处理工艺的研究，回收离心液中损失的末精煤，以提高精煤产率和企业经济效益。
The fluorine content in cleaned coal will be nearly same as its original matrix by two grade defluorination treatment.
用二级脱氟处理方法可使高纯煤中氟含量达到实际应用所允许的要求，接近原煤中的氟含量。

Coal handling certainly needs to be cleaned and cannot be allowed to pollute the air with particulates AT ALL. This will require technology, which we can perfect and then sell to other countries.
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The 69-year-old Ross amassed his fortune as a shrewd financier who bought up distressed companies in tired industries like coal, steel and textiles, cleaned up their balance sheets, improved management, then sold them for profits.
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