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通过筛选复配得到絮凝剂XN98,该絮凝剂由五种成分组成,其中以无机絮凝剂为主,含有少量有机絮凝剂。该絮凝剂处理油田聚合物驱含油污水效果良好,絮凝剂用量为50 mg/L时,处理后水质可以达到中、高渗透层含聚污水处理指标。絮凝剂XN98处理聚合物驱污水的药剂成本约为0.2元/t,约为PAC(聚铝)的三分之一。
By screening and compounding, the flocculant XN98 is obtained. The flocculant consists of five components, of which inorganic flocculant is the main component and a small amount of organic flocculant is contained. When the flocculant dosage is 50 mg / L, the flocculant can effectively treat oil-contaminated water in oilfield polymer flooding, and the water quality after treatment can reach the medium and high permeable layer containing polluted water. Flocculants XN98 treatment of polymer flooding wastewater costs about 0.2 yuan / t, about PAC (poly aluminum) one-third.