…Before shipping it as commercial coal, it is usually subjected to sorting or other processing to improve or stabilize its quality. This processing process is called coal preparation in the broad sense. Coal preparation in the broad sense consists of a number of operations, including crushing, sieving, classification, particle size adjustment, separation of coal and slag (rock component), dehydration of the product, coal blending, and in some cases processing such as briquetting. … *Some of the terminology that refers to "coal preparation" is listed below. Source | Heibonsha World Encyclopedia 2nd Edition | Information |
…そこで,これを商品炭として出荷する前に品質を向上させ,あるいはその安定化をはかるために選別等の処理を施すのがふつうである。この処理プロセスが広義の選炭coal preparationである。広義の選炭は,破砕,ふるい分け,分級などによる粒度調整,石炭とぼた(岩石成分rock)の選別,製品の脱水,混炭などのほか,場合によってはブリケット化などの加工処理を含む多数の操作から成り立っている。… ※「coal preparation」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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