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Arsenic diffusion prevention for injection drug solution, diffusion prevention method of arsenic in the arsenic contaminated soil, and feeding and equipment used in this method
Arsenic diffusion prevention for injection drug solution, diffusion prevention method of arsenic in the arsenic contaminated soil, and feeding and equipment used in this method
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机译：注射药溶液中砷的扩散防止，砷在砷污染土壤中的扩散防止方法以及用于该方法的进料和设备
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摘要
PROBLEM TO BE SOLVED: To provide injection chemical liquid for preventing diffusion of arsenic in arsenic-contaminated soil and for insolubilizing arsenic in the arsenic-contaminated soil to solidify the soil, wherein the gelation time of the chemical itself is properly long, and insolubilization of the arsenic after the injection and solidification of the soil are quickly performed, and the solidification is achieved with high strength.SOLUTION: This injection chemical liquid injected for preventing diffusion of arsenic in arsenic-contaminated soil or ground and for preventing diffusion of arsenic in arsenic-contaminated soil includes: non-alkali silica sol containing ferric sulfate and/or poly ferric sulfate and an acid containing no phosphorus atom. A method of preventing diffusion of arsenic in arsenic-contaminated soil using the chemical liquid and a liquid feeding device for use in the method are also provided.
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