经过絮凝沉淀、化学氧化、电化学法、吸附法等实验方法，处理效果都不是十分理想。
After treating with flocculation precipitation, chemical oxidation process, electro-chemical method and adsorption, still could not achieve satisfactory result.
同时，混凝、絮凝沉淀及砂滤法等化学、物理方法对于去除SBR出水中的COD也是可行的。
At the same time, the chemical and physical methods of coagulation, flocculation, settlement and sand filtering process are also feasible to remover COD in SBR effluent.
该工艺在传统的化学混凝的基础上将沉淀池内的污泥回流至化学生物絮凝池，利用化学混凝和污泥吸附的协同作用去除污水中的污染物。
The cycle sludge was pumped to chemical biological flocculation tank and the pollutants were removed by co-operation of chemical coagulation and biological adsorption.
根据五道岭钼矿全尾砂浆体物理化学性质，选择了阴离子聚丙烯酰胺作全尾砂沉淀的絮凝剂。
According to the physicochemical properties of unclassified tailings in Wudaoling molybdenum mine, the anionic polyacrylamide is used as a flocculant for precipitation.
根据五道岭钼矿全尾砂浆体物理化学性质，选择了阴离子聚丙烯酰胺作全尾砂沉淀的絮凝剂。
According to the physicochemical properties of unclassified tailings in Wudaoling molybdenum mine, the anionic polyacrylamide is used as a flocculant for precipitation.
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