本文叙述了化学沉淀法处理电镀锌镍合金废水所得到的污泥回槽利用问题。
This paper presented putting use of the wasted mud residue of plating Zn-Ni alloy to reclaiming bath by chemical deposition method.
在活性污泥颗粒化的启动试验中，在生物化学条件相同的条件下，逐步缩短沉淀时间可以加快好氧污泥颗粒化系统的启动。
The research results indicate that gradual reduction of settling time may reduce the startup time for aerobic granular systems under the same biological and chemical conditions.
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.
离子交换技术处理重金属废水，既可实现废水中重金属的去除，有可回收废水中的重金属，避免化学沉淀法处理重金属废水时产生大量的污泥。
The wastewater was treated by ion exchange technology, heavy metal ions could be removed and could be recovered, and avoided much sediment from wastewater treated by chemic-Sedimentation.
离子交换技术处理重金属废水，既可实现废水中重金属的去除，有可回收废水中的重金属，避免化学沉淀法处理重金属废水时产生大量的污泥。
The wastewater was treated by ion exchange technology, heavy metal ions could be removed and could be recovered, and avoided much sediment from wastewater treated by chemic-Sedimentation.
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