Removal of phosphorus and coliforms from secondary effluent using ferrate(VI)

被引：20
|
作者：
Kwon, Jae Hyun [1 ]
Kim, Il Kyu [2 ]
Park, Ki Young [3 ]
Kim, Young Do [4 ]
Cho, Young Ha [5 ]
机构：
[1] Inje Univ, Dept Environm Sci & Engn, Gyeongnam 621749, South Korea
[2] Pukyong Natl Univ, Dept Environm Engn, Pusan 608737, South Korea
[3] Konkuk Univ, Dept Civil & Environm Syst Engn, Seoul 143701, South Korea
[4] Inje Univ, Dept Environm Sci & Engn, Nakdong River Environm Res Ctr, Gyeongnam 621749, South Korea
[5] Inje Univ, Grad Sch Publ Hlth, Pusan 614735, South Korea
来源：
KSCE JOURNAL OF CIVIL ENGINEERING | 2014年 / 18卷 / 01期
关键词：
potassium ferrate(VI); secondary effluent; disinfection; coagulation; phosphorus; WASTE-WATER-TREATMENT; POTASSIUM FERRATE(VI); PROGRESS;
D O I：
10.1007/s12205-013-0024-7
中图分类号：
TU [建筑科学];
学科分类号：
0813 ;
摘要：
The potassium ferrate(VI) was applied to treat secondary wastewater and its performance as both a disinfectant and a coagulant was investigated. In order to compare oxidation potential of the ferrate(VI) with that of chlorine, the different condition of doses and contact times were applied to the experiment for the same coliform. The disinfection rate of ferrate(IV) was faster than that of chlorine at the same concentration. The effect of ferrate(VI) supplementation on coagulation of phosphorus was examined and compared with other common coagulants. Ferrate(VI) reduced more than 80% of total phosphorous in the range of doses between 5. and 25 mg-Fe/L. The removal efficiencies of the ferrate(VI) appeared to be similar to those of alum but higher than other iron coagulants. The removal efficiencies of other contaminants in secondary effluent were not notable.
引用
收藏
页码：81 / 85
页数：5
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