coal cleaning

Japanese: coal cleaning(英語表記)coalcleaning
coal cleaning

…In the broad sense of coal washing, the central process is the separation of coal from refuse. In the narrow sense, coal washing (cleaning of coal) refers primarily to mechanical or physical operations for separating the coal components contained in raw coal from the non-burnable components. The high-quality coal obtained as a product of coal washing is called clean coal. …

*Some explanations of terms that refer to "coal cleaning" are listed below.

Source | Heibonsha World Encyclopedia 2nd Edition | Information

Japanese:

…広義の選炭の中で,その中心ともいえるのは石炭とぼたの選別過程である。狭義の選炭coal cleaning(cleaning of coal)は,原炭の中に含まれる石炭成分を不燃成分から分離するための主として機械的ないし物理的な操作を意味している。 選炭の産物として得られる高品質の石炭を精炭clean coalという。…

※「coal cleaning」について言及している用語解説の一部を掲載しています。

出典|株式会社平凡社世界大百科事典 第2版について | 情報

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