…It is one of the coal washing techniques for coal slurry, and is sometimes abbreviated as OA method. When a small amount of oil and possibly a surfactant are added to a slurry of pulverized coal suspended in water and stirred, the oil is selectively adsorbed onto the surface of the coal particles, forming an oil film, which acts as a bridging agent to form coal granules (pellets). … *Some of the terminology used in reference to the "OA Act" is listed below. Source | Heibonsha World Encyclopedia 2nd Edition | Information |
…石炭スラリーに対する選炭技術の一つで,OA法と略称されることもある。微粉炭を水に懸濁させたスラリーに若干の油とさらに場合によっては界面活性剤を添加してかくはんすると,石炭粒子の表面に選択的に油が吸着して油膜が形成され,その油が架橋材となって石炭の造粒体(ペレット)が形成される。… ※「OA 法」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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