摘要
利用电厂废弃的粉煤灰,变废为宝,制取应急处理藻华的絮凝剂。研究了各种方法改性的粉煤灰的除藻能力,并研究了改性酸浓度、改性温度、改性时间3个因素对盐酸改性粉煤灰除藻能力的影响。确定了酸改性粉煤灰的最佳改性条件。制得的改性粉煤灰在投加量为56 mg.L-1时,对藻类的去除率即可达到92.4%。用它来应急处理藻华具有成本低、用量少、有效范围宽、沉降时间短,絮体密实等优点。
Removal of microcystis aeruginosa with modified fly ash was studied.We tested the algae removal ability of three types of modified fly ash and discovered that the acid modified fly ash was the best.we also study the influence of acid concentration,modification temperature,modification time to algae removal ability and determine the best modification conditions.The removal rate of microcystis aeruginosa reached 92.4%.The acid modified fly ash was a good flocculant for algae bloom removal.
出处
《水处理技术》
CAS
CSCD
北大核心
2011年第6期34-37,共4页
Technology of Water Treatment
基金
国家科技支撑计划项目(2006BAJ04A09)
关键词
酸改性
粉煤灰
铜绿微囊藻
絮凝
aci modify
fly ash
microcystis aeruginosa
coagulation
