【摘要】 研究了壳聚糖、硫酸铝及其复合絮凝剂对景观水体处理效果。实验结果表明:复配后硫酸铝加药量减少了90%,壳聚糖加药量减少了67%,絮体形成迅速、矾花大,易分离,浊度去除率提高了84%、COD去除率提高了62%,而且大大减轻了硫酸铝对环境的二次污染。更多还原

【Abstract】 Chitosan,Aluminum sulfate and composite flocculant of chitosan have been studied in treating landscape water.Experiment result of composite flocculant showed:Chitosan adding quantity reduced 67%;Aluminum sulfate adding quantity reduced 90%;the removed rate of COD enhanced 62%;the removed rate of turbidity enhanced 84% and big alum cake emerged quickly.The second pollution of Aluminum sulfate has been reduced greatly.更多还原