本发明不仅处置了污泥，而且可获得附 加值较高的微生物重金属沉淀剂，从而降低了污泥处理处置成本。
The invention not only treats sludge, but also obtains microorganism heavy metal precipitator with higher additional value so as to reduce sludge treatment cost.
反应过程中，凹凸棒石八面体阳离子的溶解能诱导重金属共沉淀，在凹凸棒石表面形成双氢氧化物。
During the reaction, the octahedral dissolution of palygorskite induced heavy metal ions coprecipitation forming mixed double hydroxid precipitation on the surface of palygorskite.
后者是指从被污染地下水中沉淀析出石膏、方解石、萤石以及某些重金属元素的氢氧化物、氧化物、酸式盐和碱式盐的过程。
The technogenic sedimentation refers to the precipitation of gypsum, calcite, fluorite, as well as hydroxides, oxides and salts of some heavy metallic elements from polluted groundwater.
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