KMnO4 pre-oxidation for Microcystis aeruginosa removal by a low dosage of flocculant
KMnO4 pre-oxidation for Microcystis aeruginosa removal by a low dosage of flocculant
复制标题
DOI：
10.1016/j.ecoleng.2015.04.015
复制
发表时间：
2015-08
影响因子：
3.8
通讯作者：
Hongqiang Wang;Tian-Guang Mao;B. Xi;Lie-yu Zhang;Qiaohong Zhou
中科院分区：
文献类型：
--
作者：
Hongqiang Wang;Tian-Guang Mao;B. Xi;Lie-yu Zhang;Qiaohong Zhou
The effects of the flocculant composed of autoclaved fly-ash brick and chitosan for algaeMicrocystisaeruginosaremoval were investigated. The results showed that when 1 mL flocculant was added in 25 mL algae suspension, which initial density was 106cells/mL, the removal rate of algae reached 88.4%. In order to enhance the removal efficiency, pre-oxidation with KMnO4was studied. The results indicated that it could improve algae coagulation removal by 9.44% when it was pre-oxidized by KMnO4with the concentration of 0.9 mg/L. The cells ofM. aeruginosasunk quickly, thus the algal cells were removed completely. In conclusion, the combined flocculant owns the advantages of low concentration, short reaction time, and could be employed for algae control.
