一种新型污染场地Pb原位解毒方法

Novel pollution site Pb in-situ detoxification method

Abstract

The invention provides a novel pollution site Pb in-situ detoxification method. Sludge, a carbon source and sulfate are prepared into chemical agents to be injected into Pb-containing soil in an in-situ manner; and then a special constructing and curing manner is adopted, and a fixation ecological bacterium agent is made to gradually permeate into the underground to fix Pb of the deep-layer polluted soil. By means of the method, the Pb-containing site large in pollution depth can be efficiently restored at low cost; and meanwhile, waste is treated through waste, and the sludge is treated.
本发明采用一种新型污染场地Pb原位解毒方法,将污泥、碳源及硫酸盐配制成药剂原位注入到含Pb土壤中,随后采用特殊的施工及养护方式,使固定生态菌剂逐渐渗入地下,将深层受污染土壤Pb固定。该法可以低成本且高效的对污染深度较高的含Pb场地进行修复,同时以废治废,将污泥进行了处理。

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