壳聚糖复合絮凝剂处理铬鞣废水中总铬的研究  

Study on Treatment of total Cr in Tanning Wastewater by Using C hitosan Composite Flocculant

作　　者：黄晶雯 郑顺姬[2] Huang Jingwen(Environment Monitoring Center Station of Qiqihaer City,Qiqihaer Heilongjiang 161000)

机构地区：[1]齐齐哈尔环境监测中心站,黑龙江齐齐哈尔161006 [2]齐齐哈尔大学轻工纺织学院,黑龙江齐齐哈尔161006

出　　处：《黑龙江环境通报》2019年第3期95-98,共4页Heilongjiang Environmental Journal

摘　　要：利用稀土-壳聚糖复合絮凝剂处理制革废水。探讨了复合絮凝剂处理制革废水的处理工艺及最佳处理条件,采用单因素实验的方法研究了复合絮凝剂的用量、pH值、温度、搅拌时间对制革废水中总铬去除率的影响。实验结果表明:复合絮凝剂处理制革废水的最佳条件:稀土-壳聚糖复合絮凝剂浓度为0.25g/L,pH值为7,温度为30℃-40℃,搅拌时间为10~20min。The rare earth-chitosan composite flocculant was used to treat tanning wastewater,the treatment process and optimum processing conditions were discussed.The effect of pH value,the amount of compound floucculant,temperature and stiring time on the removal rate of totle chrome were studied with single factor experiment method,the results showed that the optimum treatment conditions were that the amount of chitosan composite flocculant was 0.25g/L,pH value was 7,temperature was 30~40℃,stiring time was 10~20 min.

关 键 词：稀土 壳聚糖 絮凝剂 制革废水 

分 类 号：X830.2[环境科学与工程—环境工程]