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METHOD FOR INSOLUBILIZING WASTE GYPSUM, GYPSUM COMPOSITION, AND INSOLUBILIZING AGENT
To provide a technique for insolubilizing a heavy metal and the like to be leached from waste gypsum.SOLUTION: A method for insolubilizing gypsum derived from waste gypsum and containing fluorine and a heavy metal includes adding a mixture of magnesium oxide and ferrous sulfate to the gypsum.SELECTED DRAWING: Figure 1
【課題】廃石膏から溶出する重金属などの不溶化処理技術を提供すること。【解決手段】廃石膏由来でありフッ素及び重金属を含む石膏の不溶化方法であって、前記石膏に対して酸化マグネシウムと硫酸第一鉄の混合物を添加することを含む、石膏の不溶化方法である。【選択図】図１
METHOD FOR INSOLUBILIZING WASTE GYPSUM, GYPSUM COMPOSITION, AND INSOLUBILIZING AGENT
To provide a technique for insolubilizing a heavy metal and the like to be leached from waste gypsum.SOLUTION: A method for insolubilizing gypsum derived from waste gypsum and containing fluorine and a heavy metal includes adding a mixture of magnesium oxide and ferrous sulfate to the gypsum.SELECTED DRAWING: Figure 1
【課題】廃石膏から溶出する重金属などの不溶化処理技術を提供すること。【解決手段】廃石膏由来でありフッ素及び重金属を含む石膏の不溶化方法であって、前記石膏に対して酸化マグネシウムと硫酸第一鉄の混合物を添加することを含む、石膏の不溶化方法である。【選択図】図１
METHOD FOR INSOLUBILIZING WASTE GYPSUM, GYPSUM COMPOSITION, AND INSOLUBILIZING AGENT
廃石膏不溶化方法、石膏組成物、不溶化剤
YAMAMOTO SHUZO (author) / KANEMATSU MASATOSHI (author) / KITAO AKIKO (author) / KANEMATSU MAKIKO (author)
2023-07-24
Patent
Electronic Resource
Japanese
IPC:
C04B
Kalk
,
LIME
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