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中文摘要：
高浓度丙烯腈工业废水的处理技术在工业生产中都不理想,针对高浓度丙烯腈工业废水,采用絮凝和纳滤进行处理,测试了5种不同的絮凝剂的絮凝效果,选择最佳的絮凝剂及其用量,考察了纳滤处理高浓度丙烯腈废水的效果。经过絮凝过程除去废水中约20%的CODCr,纳滤过程除去约70%的CODCr,经过二次纳滤,废水出水色度、浊度已经达到出水指标,为实现丙烯腈生产中工业废水的绿色循环利用和零排放奠定了基础。
英文摘要：
The existing treatment technologies for high concentration acrylonitrile industrial wastewater are unsatisfactory.Aiming at the high concentration acrylonitrile industrial wastewater,the flocculation effects of five different flocculants were experimented by flocculation and nanofiltration processing.The optimal flocculant and amount were chosen,and the effect of nanofiltration was investigated.About 20% CODCr in the wastewater was removed through the flocculation process,and about 70% CODCr was removed through nanofiltration process.After nanofiltration in twice,the colourity and turbidity of wastewater come up to standard,which is very important for the circulating utilization of acrylonitrile industrial wastewater.
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