Treatment of soil containing substance causing pollution
专利汇可以提供Treatment of soil containing substance causing pollution专利检索，专利查询，专利分析的服务。并且PURPOSE:To completely eliminate the effluence of heavy metal substances causing pollution, by treating soil contg. the heavy metal substances with a pretreating agent, and then caking it with a caking agent comprising divalent metals, pref. magnesium oxide and a chloride. CONSTITUTION:To soil contg. heavy metal cations, 15% kaolinite, 3% slaked lime and 2% an addition agent having a hydroxyl group are added as a pretreating agent, to adsorb the heavy metal cations by oxygen atoms on the surface of kaolinite molecules. Thereafter, a caking agent comprising 50% magnesium oxide and 50% magnesium chloride is added to the pretreated soil to harden and cake the soil by the formation of oxichloride between the components of the caking agent. The caking reaction of the caking agent entails the extremely slight shrinkage of volume itself, so that there is no fear of the effluence of the heavy metal cations which would be caused by the formation of cracks after caking.，下面是Treatment of soil containing substance causing pollution专利的具体信息内容。
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