赤泥矿物表面电性与高分子官能团选择絮凝

Surface Electro-chemical Performance of Mud-mineral from Alumina Production and Selective Flocculation with Polymer Functional Group

研究含不同离子官能团絮凝剂对单一硅矿物悬浮液和多组分矿物悬浮液的絮凝沉降效果,分析官能团对悬浮赤铁矿和硅石微粒凝聚吸附性质。采用高分子絮凝剂替代中性淀粉可使悬浮矿物表面吸附更多的有机杂质,提高絮凝澄清率。通过聚合物选择,可获得工业浸出渣的分离条件。悬浮浆液中矿物微粒的表面电性是选择絮凝的基础。

The floceulation effects of the flocculates with different polymer functional group on sole silica suspension slurry and multi-suspension slurry are investigated, and the flocculation adsorption performances of the functional group with the hematite and silica in suspension slurry are analyzed. The more humic salt and organic impurity adsorption and the more clear settlement can be achieved by substitution of starch with the synthetic macromolecular polymer flocculates. Some industrial technical conditions of suspension separation are obtained by the selection of the polymer. The surface electro-chemical property of the particles in the slurry is the foundation of selective flocculation.