Contaminated soil passivator and preparation method and application thereof
Patent Information
- Authority / Receiving Office
- CN Β· China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- SHANGHAI LVQIANG NEW MATERIALS CO LTD
- Publication Date
- 2015-04-29
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Abstract
Description
technical field
[0001] The invention belongs to the technical field of environmental protection and relates to the passivation or harmless treatment of polluted soil, in particular to a polluted soil passivator and its preparation method and application. Background technique
[0002] In recent years, due to the frequent occurrence of major environmental events such as cadmium rice, blood lead, and cancer villages, the problem of heavy metal pollution in soil and groundwater has attracted more and more attention. From the perspective of the formation process and mechanism of heavy metal-contaminated soil, the process of eradicating pollution must be long-term and gradual. Therefore, it is urgent to develop a treatment method that is efficient, environmentally friendly, and cost-effective.
[0003] The solidification / stabilization repair technology has been widely used in Europe and the United States because of its advantages such as wide application range, short processing ti...