Isolation and restoration method for compound contaminated soil
AssigneeMining Development & Environmental Management of Shaanxi Provincial Land Engineering Construction
InventorsJICHANG HAN, SHUGUANG WANG, PENGFENG IL
Life of this patent
Estimating the term…
Abstract
The present disclosure provides an isolation and restoration method for compound contaminated soil. The isolation and restoration method for the compound contaminated soil provided by the present disclosure is used for isolation and restoration of a contaminated site, which includes: laying an isolation layer, a pure soil layer and an arable soil layer containing compound soil in turn on the contaminated site which is flattened and compacted, where the compound soil is composed of loess, slaked lime, fine sand and substances having an adsorption function in a volume ratio.
Claims7
An isolation and restoration method for compound contaminated soil, which is used for isolating and restoring a contaminated site, comprising:
- flattening and compacting the contaminated site;
- laying an isolation layer containing compound soil on the contaminated site;
- rolling the isolation layer;
- laying a pure soil layer on the isolation layer;
- laying an arable soil layer on the pure soil layer;
- wherein the compound soil is composed of loess, slaked lime, fine sand and a substance having an adsorption function in a volume ratio;
- wherein the pure soil layer is composed of clean soil with a thickness of 10 cm to 40 cm, and with a compaction coefficient of 0.9;
- wherein the arable soil layer is composed of clean soil with a thickness of 20 cm to 40 cm, and is used for planting crops or grass.
Dependencies are inferred from the claim text.