人工ゼオライト原料としての石炭フライアッシュの成分組成について

書誌事項

タイトル別名
  • Study on the Chemical Composition of Coal Fly Ash as a Raw Material for Artificial Zeolite
  • ジンコウ ゼオライト ゲンリョウ トシテノ セキタン フライ アッシュ ノ セ

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抄録

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.<BR>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.<BR>The results can be summarized as follows :<BR>(1) The C.E.C. of A.Z. depends on the non-crystalline Al2O3 content in flyash.<BR>(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.<BR>(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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