絮凝剂比例以及淤泥浓度对淤泥脱水速率的影响

通过实验着重研究淤泥在絮凝剂作用下的絮凝沉降效果和脱水速率,探讨絮凝淤泥体脱水的影响因素.以具有独立知识产权的絮凝剂FAS,进行了淤泥絮凝体含水率实验和淤泥的脱水速率实验,在不同龄期下,通过对不同絮凝剂比例和不同淤泥浓度情况比较,研究絮凝淤泥体脱水速率以及含水率变化规律,探讨淤泥浓度和FAS絮凝剂剂量对淤泥脱水速率的统计数值关系.结果表明,当絮凝剂比例在1.5‰～3.5‰、淤泥浓度约在18%～22%之间时,淤泥脱水效果和速率最佳.在最佳情况下,前48 h内淤泥脱水速率较快,400 h后淤泥脱水速率趋近于零.

Effects of Silt Density and Flocculent Proportion on Flocculent Silt Dehydration

Under flocculent function,the silt flocculation and subsiding effect and the dehydrated speed were studied,silt dehydration influence factor and the degree were discussed. According to the orthogonal methods,by independent intellectual property flocculent FAS as the flocculent,the silt flocculation and subsiding experiment and the silt dehydrated experiment have carried out. Under the different ages,through comparing the situations of different flocculent proportion and the silt density and the silt moistur...