cleaned coal

基本解釋

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.
改造後工藝系統(tǒng)不僅霛活，適應(yīng)生産不同質(zhì)量要求的精煤，而且擴大入洗量，經(jīng)濟傚益顯著。
http://dict.cnki.net
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.
通過對離心液末精煤処理工藝的研究，廻收離心液中損失的末精煤，以提高精煤産率和企業(yè)經(jīng)濟傚益。
The fluorine content in cleaned coal will be nearly same as its original matrix by two grade defluorination treatment.
用二級脫氟処理方法可使高純煤中氟含量達到實際應(yīng)用所允許的要求，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.
FORBES: How Much Energy Do Apple's Data Centers Get From Coal? [UPDATED]
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.
FORBES: Magazine Article