Al置換トバモライトの重金属イオン捕集特性

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書誌事項

タイトル別名
  • Removal Characteristics of Heavy Metal Ions by Al-Substituted Tobermorites
  • Al チカン トバモライト ノ ジュウキンゾク イオン ホシュウ トクセイ

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抄録

Al-substituted tobermorites were synthesized using rice husk ash as silica source. Properties of cation exchange and removal of heavy metal ions were studied in Al-substituted tobermorites. Tobermorite synthesized adding 15mo1% Al to Si had large cation exchange capacity to NH4+ ion and its ion exchange curve was Langmuir type. Large cation exchange capacity of Al-substituted tobermorites had little effect on improving the removal of heavy metal ions. Low crystalline tobermorite was more suitable to remove heavy metal ions. Amount of removal of heavy metal ions decreased as follows : Ni>Cr>Cu>Zn=Pb in tobermorite samples. Amount of Ni removal was particularly large in tobermorite samples and it was superior to that of A type Zeolite.

収録刊行物

  • 石膏と石灰

    石膏と石灰 1990 (229), 413-418, 1990

    無機マテリアル学会

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