無機系廃棄物のリサイクルと資源回収  無機系廃棄物の再資源化―環境浄化材料への転換―

書誌事項

タイトル別名
  • Resource Recovery of Inorganic Waste-Conversion into Environmental Purification Materials-
  • ムキケイ ハイキブツ ノ サイシゲンカ カンキョウ ジョウカ ザイリョウ エ ノ テンカン
  • —Conversion into Environmental Purification Materials—
  • ―環境浄化材料への転換―

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説明

Resource recovery of waste incineration fly ash and industrial dust, exhausted from cupola, have been investigated. It was found that waste incineration fly ash treated in the presence of NaOH solution using the hydrothermal method exhibited removal properties for toxic cations. Pre-treatment of waste incineration fly ash with repeated water washing and heating at 800°C was essential for preparing reproducible tobermorite as a major product at 180°C. On the other hand, pre-treatment with HCl solution, in addition to the repeated water washing and heating at 800°C, was essential for preparing reproducible zeolites A and P as major products at 60-120°C. Cupola dust treated in the presence of NaOH solution using the hydrothermal method was found to exhibit sorptive property for H2S gas. The property was induced by spinel nanocrystals such as (MnxZn1-x) (MnyFel-y) 2O4 solid solution in the cupola dust.

収録刊行物

  • 廃棄物学会誌

    廃棄物学会誌 15 (4), 189-195, 2004

    一般社団法人 廃棄物資源循環学会

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