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    METHOD FOR REDUCING ELUTION OF HEXAVALENT CHROMIUM

    New search for: SAGAWA KEIICHIRO
    New search for: SHIMODA MASARO

    To provide a method for reducing elution of hexavalent chromium capable of further efficiently reducing elution of hexavalent chromium from an object containing hexavalent chromium.SOLUTION: A method for reducing elution of hexavalent chromium of this invention comprises mixing (A) a thiosulfate and (B) one or more compounds selected from a naphthalene-based polymer, a polycarboxylic acid-based polymer, a lignin sulfonic acid-based polymer and a melamine-based polymer with an object to be processed that contains hexavalent chromium.SELECTED DRAWING: None

    【課題】六価クロムを含む対象物からの、六価クロムの溶出をより効率的に低減できる六価クロムの溶出低減方法を提供する。【解決手段】六価クロムを含む処理対象物に、（Ａ）チオ硫酸塩、並びに（Ｂ）ナフタレン系重合体、ポリカルボン酸系重合体、リグニンスルホン酸系重合体、及びメラミン系重合体から選ばれる１種以上の化合物を混合する、六価クロムの溶出低減方法。【選択図】なし

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    METHOD FOR REDUCING ELUTION OF HEXAVALENT CHROMIUM

    New search for: SAGAWA KEIICHIRO
    New search for: SHIMODA MASARO

    To provide a method for reducing elution of hexavalent chromium capable of further efficiently reducing elution of hexavalent chromium from an object containing hexavalent chromium.SOLUTION: A method for reducing elution of hexavalent chromium of this invention comprises mixing (A) a thiosulfate and (B) one or more compounds selected from a naphthalene-based polymer, a polycarboxylic acid-based polymer, a lignin sulfonic acid-based polymer and a melamine-based polymer with an object to be processed that contains hexavalent chromium.SELECTED DRAWING: None

    【課題】六価クロムを含む対象物からの、六価クロムの溶出をより効率的に低減できる六価クロムの溶出低減方法を提供する。【解決手段】六価クロムを含む処理対象物に、（Ａ）チオ硫酸塩、並びに（Ｂ）ナフタレン系重合体、ポリカルボン酸系重合体、リグニンスルホン酸系重合体、及びメラミン系重合体から選ばれる１種以上の化合物を混合する、六価クロムの溶出低減方法。【選択図】なし

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    METHOD FOR REDUCING ELUTION OF HEXAVALENT CHROMIUM

    New search for: SAGAWA KEIICHIRO
    New search for: SHIMODA MASARO

    To provide a method for reducing elution of hexavalent chromium capable of further efficiently reducing elution of hexavalent chromium from an object containing hexavalent chromium.SOLUTION: A method for reducing elution of hexavalent chromium of this invention comprises mixing (A) a thiosulfate and (B) one or more compounds selected from a naphthalene-based polymer, a polycarboxylic acid-based polymer, a lignin sulfonic acid-based polymer and a melamine-based polymer with an object to be processed that contains hexavalent chromium.SELECTED DRAWING: None

    【課題】六価クロムを含む対象物からの、六価クロムの溶出をより効率的に低減できる六価クロムの溶出低減方法を提供する。【解決手段】六価クロムを含む処理対象物に、（Ａ）チオ硫酸塩、並びに（Ｂ）ナフタレン系重合体、ポリカルボン酸系重合体、リグニンスルホン酸系重合体、及びメラミン系重合体から選ばれる１種以上の化合物を混合する、六価クロムの溶出低減方法。【選択図】なし

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    Title:

    METHOD FOR REDUCING ELUTION OF HEXAVALENT CHROMIUM

    Additional title:

    六価クロムの溶出低減方法

    Contributors:

    SAGAWA KEIICHIRO (author) / SHIMODA MASARO (author)

    Publication date:

    2020-05-21

    Type of media:

    Patent

    Type of material:

    Electronic Resource

    Language:

    Japanese

    Classification:

    IPC:  C04B Kalk , LIME / B09B DISPOSAL OF SOLID WASTE , Beseitigung von festem Abfall / B09C Wiedergewinnung von verseuchtem Boden , RECLAMATION OF CONTAMINATED SOIL

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