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Water-soluble characteristics of chlorine in char derived from municipal solid wastes

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タイトル: Water-soluble characteristics of chlorine in char derived from municipal solid wastes
著者: Hwang, I.H. 著作を一覧する
Matsuto, T. 著作を一覧する
Tanaka, N. 著作を一覧する
発行日: 2006年
出版者: Elsevier
誌名: Waste Management
巻: 26
号: 6
開始ページ: 571
終了ページ: 579
出版社 DOI: 10.1016/j.wasman.2005.04.012
抄録: Chlorine in char derived from municipal solid waste (MSW) was characterized and quantified based on its water solubility: easily water-soluble, hardly water-soluble, and non-water-soluble chlorine. For that, a four-cycle process of water-washing, heating or carbonation were carried out. In order to confirm the characteristics of non-water-soluble chlorine, additional thermal treatment and an alkali- acid washing process were applied to washed char. It was found that a large particle size of char (0.5 to 1.0 mm) significantly contributed to the amount of non-water-soluble chlorine. Pulverization and HNO_3 HF digestion were performed to identify a factor to interfere chlorine release from char with a large particle size. Pulverization was proven ineffective for release of non-water-soluble chlorine, whereas approximately 32% of non-water-soluble chlorine was extracted by HNO_3 HF digestion. Therefore, the presence of non-water-soluble chlorine is likely to originate from its chemical property rather than simply from its physical one.
資料タイプ: article (author version)
出現コレクション:雑誌発表論文等 (Peer-reviewed Journal Articles, etc)

提供者: 黄 仁姫


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