Study on the Chemical Composition of Coal Fly Ash as a Raw Material for Artificial Zeolite
Artificial zeolite (A.Z.) having a high cation exchange capacity (C.E.C) is formed by treating coal fly ash (fly ash), discharged from a coal-fueled power plant, with an alkali solution. This study was carried out to determine the chemical composition of fly ash suitable as a raw material for A.Z. a...
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| Published in | Journal of the Japan Society of Waste Management Experts Vol. 8; no. 6; pp. 280 - 287 |
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| Main Authors | , , , |
| Format | Journal Article |
| Language | Japanese |
| Published |
Japan Society of Material Cycles and Waste Management
1997
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| Abstract | Artificial zeolite (A.Z.) having a high cation exchange capacity (C.E.C) is formed by treating coal fly ash (fly ash), discharged from a coal-fueled power plant, with an alkali solution. This study was carried out to determine the chemical composition of fly ash suitable as a raw material for A.Z. and to establish the process conditions to form A.Z. having a high C.E.C. from fly ash. The results can be summarized as follows : (1) The C.E.C. of A.Z. depends on the non-crystalline Al2O3 content in flyash. (2) The C.E.C. of A.Z. and the non-crystalline Al2O3 content in fly ash increase as the content of Na2O+K2O and/or Al2O3 in the fly ash increase. (3) A.Z. with a the high C.E.C. is formed through the addition of a suitable Al resource in the process of treating fly ash with an alkali solution. |
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| AbstractList | Artificial zeolite (A.Z.) having a high cation exchange capacity (C.E.C) is formed by treating coal fly ash (fly ash), discharged from a coal-fueled power plant, with an alkali solution. This study was carried out to determine the chemical composition of fly ash suitable as a raw material for A.Z. and to establish the process conditions to form A.Z. having a high C.E.C. from fly ash. The results can be summarized as follows : (1) The C.E.C. of A.Z. depends on the non-crystalline Al2O3 content in flyash. (2) The C.E.C. of A.Z. and the non-crystalline Al2O3 content in fly ash increase as the content of Na2O+K2O and/or Al2O3 in the fly ash increase. (3) A.Z. with a the high C.E.C. is formed through the addition of a suitable Al resource in the process of treating fly ash with an alkali solution. |
| Author | Noda, Tamio Kanamaru, Tatuya Haruna, Junsuke Meguro, Masaru |
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| References | 10) 富永博夫編: ゼオライトの科学と応用, 講談社, p. 71 (1987 17) 春名, 目黒: フライアリシュより高品質ゼオライトを製造する方法, 日本国特許, No. 01879753 9) 北川緑化 (株) : ジオサングリーンカタログ 12) 日本学術振興会製鋼第19委員会編: 鉄鋼化学分析全書10巻, 日刊工業新聞社, p. 46, (1964 5) 逸見: 未利用資源「石炭灰」のゼオライト化による農業用資材としての有効利用, 農業および園芸, Vol. 65, No. 9, pp. 1059-1062 (1990 11) 岐阜県農政部: 地力増進法の手引, p. 17 (1985 8) (株) 日本カープシステム: カープスパークリングカタログ 7) (株) 四国総研: アメニティカタログ 13) 土壌標準分析・測定法委員会編: 土壌標準分析・測定法, 博友社, p. 150, (1993 14) ゼオライトとその利用編集委員会編: ゼオライトとその利用, 技報堂, p. 103 (1985 2) 加藤, 柿本, 尾川, 泊, 坂本: 石炭灰のゼオライト化と廃水処理への応用 (1) , 工業用水, No. 331, pp. 27-33 (1986 4) クリーンジャパンセンター: 石炭灰のゼオライト化実証プラント実証試験報告 (1992 1) T. Henmi: Increase in Cation Exchange Capacity of Coal Fly Ash by Alkali Treatment, Clay Science, Vol.6, p.277 (1987 15) 富永博夫編: ゼオライトの科学と応用, 講談社, p. 8 (1967 6) 目黒, 加藤, 徳永: 人工ゼオライトを用いた脱臭法の開発とその鋳物工場への適用, 鋳物, Vol. 66, No. 10, pp. 739-744 (1994 3) H. Holler and V. Wirshing: Zeolite formation from fly ash, Fortschr. Miner., Vol.63, No.1, pp.21-43 (1985 16) 粘土ハンドブック編集委員会編: 粘土ハンドブック, 技報堂, p. 724 (1967 |
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| Title | Study on the Chemical Composition of Coal Fly Ash as a Raw Material for Artificial Zeolite |
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