...Apart from the environmental measures mentioned above, coal also contributes to environmental protection. Activated carbon has a wide range of uses as an adsorbent, but production from charcoal and coconut shells is insufficient for large-scale use in environmental protection, so production of activated carbon (activated coke) using coal as a raw material is nearing practical application. In addition, a method is being developed to use coal in the filtration treatment of sewage wastewater, taking advantage of its characteristics of being a solid and having a certain degree of adsorption ability even as it is. *Some of the terminology that refers to "activated coke" is listed below. Source | Heibonsha World Encyclopedia 2nd Edition | Information |
…なお,以上のような石炭の利用にあたっての環境対策とは別に,石炭は環境対策に貢献する一面もある。活性炭は吸着剤として用途が広いが,環境対策用として大量に使用するには木炭やヤシガラからの製造では足りず,石炭を原料とする活性炭(活性コークス)製造が実用化しようとしている。また,石炭が固体であり,そのままでもある程度の吸着性をもっているという特質を利用して,下廃水のろ過処理に使う方法も開発中である。… ※「活性コークス」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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