JP2005074282A - 有害物質捕集材と、それを用いた汚水及び土壌の処理方法 - Google Patents
有害物質捕集材と、それを用いた汚水及び土壌の処理方法 Download PDFInfo
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- JP2005074282A JP2005074282A JP2003306331A JP2003306331A JP2005074282A JP 2005074282 A JP2005074282 A JP 2005074282A JP 2003306331 A JP2003306331 A JP 2003306331A JP 2003306331 A JP2003306331 A JP 2003306331A JP 2005074282 A JP2005074282 A JP 2005074282A
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- harmful substance
- portland cement
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- soil
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Landscapes
- Processing Of Solid Wastes (AREA)
- Water Treatment By Sorption (AREA)
- Solid-Sorbent Or Filter-Aiding Compositions (AREA)
Abstract
【解決手段】 カルシウムアルミネートとカルシウムアルミノフェライトの合計が20%以上であるポルトランドセメントクリンカの粉末を含有する有害物質捕集材。本発明の有害物質捕集材は、化学産業、電子産業、医療施設、及び各種研究施設等から廃棄される、クロム、セレン、ヒ素、フッ素、ホウ素、硝酸態窒素、及びリン等多くの有害物質を、その有害物質の種類や、共存する物質の種類等によらず、迅速かつ効率良く捕集することができる等の効果を奏するため、多様な有害物質を含有する土壌及び汚水中に含まれる有害物質の捕集用途に適する。
【選択図】なし
Description
ポルトランドセメントクリンカ(1):普通ポルトランドセメント用、C3S55.3%、C2S 21.5%、C3A 8.3%、C4AF 9.4%、アルミネート相及びフェライト相の合計17.7%、塩素含有量 0.01%、フッ素含有量 0.01%、イオウ含有量0.01%(ただし、C3Sは3CaO・SiO2、C2Sは2CaO・SiO2、C3Aは3CaO・Al2O3、C4AFは4CaO・Al2O3・Fe2O3、以下同じ)
ポルトランドセメントクリンカ(2):普通エコセメント用、C3S 48.2%、C2S17.0%、C3A 15.9%、C4AF 12.7%、アルミネート相及びフェライト相の合計 28.6%、塩素含有量0.01%、フッ素含有量 0.01%、イオウ含有量0.01%
ポルトランドセメントクリンカ(3):速硬エコセメント用、C3S 51.5%、C2S9.1%、11CaO・7Al2O3・CaCl2 17.3%、C4AF7.1%、アルミネート相及びフェライト相の合計:24.4%、塩素含有量:0.60%、フッ素含有量 0.01%、イオウ含有量0.01%
ポルトランドセメントクリンカ(4):ポルトランドセメントクリンカ(1)70部とポルトランドセメントクリンカ(2)30部の混合物。アルミネート相及びフェライト相の合計 21.0%
セメントα:ポルトランドセメントクリンカ(2)に0.5%のイオウ分として二水セッコウを加えたもの(二水セッコウ換算で2.688%)
セメントβ:ポルトランドセメントクリンカ(2)に1.0%のイオウ分として二水セッコウを加えたもの(二水セッコウ換算で5.375%)
アルカノールアミンA :トリイソプロパノールアミン、試薬1級
アルカノールアミンB :トリエタノールアミン、試薬1級
有害物質Cr :クロム標準溶液、クロム濃度1,000mg/リットル溶液、関東化学製
有害物質Se :セレン標準溶液、セレン濃度1,000mg/リットル溶液、関東化学製
有害物質As :ヒ素標準溶液、ヒ素濃度1,000mg/リットル溶液、関東化学製
有害物質F :フッ化ナトリウム、粉末状、試薬1級、和光純薬製
有害物質B :ホウ酸、粉末状、試薬1級、和光純薬製
有害物質NO3 :硝酸ナトリウム、試薬1級、和光純薬製
有害物質P :オルトリン酸ナトリウム(Na3PO3)、粉末状、試薬1級、和光純薬製
有害物質TCE(トリクロロエチレン):試薬1級、和光純薬製
有害物質の濃度:環境庁告示第46号に従って測定した。
有害物質の低減率:環境庁告示第46号に基づき測定した有害物質の濃度をもとに、以下の式により算出した。
有害物質の低減率(%) =C / C0 ×100
ただし、C0:有害物質捕集材を添加しない場合の有害物質溶出量の合計、C:有害物質捕集材を添加した場合の有害物質溶出量の合計。
(2)PCクリンカはポルトランドセメントクリンカの略
土壌 :重金属で汚染された関東ローム土。Cr,As,Seを含有
普通ポルトランドセメント:市販品の3種類を等量づつ混合したものを使用
Claims (5)
- カルシウムアルミネートとカルシウムアルミノフェライトの合計が20%以上であるポルトランドセメントクリンカの粉末を含有する有害物質捕集材。
- ブレーン比表面積が3,000cm2/g以上であることを特徴とする請求項1記載の有害物質捕集材。
- アルカノールアミンを含有する請求項1又は請求項2記載の有害物質捕集材。
- アルカノールアミンがトリイソプロパノールアミンを含むことを特徴とする請求項1〜3のうちの1項に記載の有害物質捕集材。
- 請求項1〜4のうちの1項に記載の有害物質捕集材を用いることを特徴とする汚水及び土壌の処理方法。
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JP2007217576A (ja) * | 2006-02-17 | 2007-08-30 | Denki Kagaku Kogyo Kk | 有機リン処理材およびそれを用いた有機リン含有水の処理方法 |
CN111085162A (zh) * | 2019-12-31 | 2020-05-01 | 安徽海螺新材料科技有限公司 | 一种超细除砷吸附剂及其制备方法、一种除砷方法 |
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JP2007217576A (ja) * | 2006-02-17 | 2007-08-30 | Denki Kagaku Kogyo Kk | 有機リン処理材およびそれを用いた有機リン含有水の処理方法 |
CN111085162A (zh) * | 2019-12-31 | 2020-05-01 | 安徽海螺新材料科技有限公司 | 一种超细除砷吸附剂及其制备方法、一种除砷方法 |
CN111085162B (zh) * | 2019-12-31 | 2023-01-24 | 安徽海螺材料科技股份有限公司 | 一种超细除砷吸附剂及其制备方法、一种除砷方法 |
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