Surface water treatment by ozonation and filtration with biologically activated carbons

被引：0
|
作者：
Seredynska-Sobecka, Bozena [1 ]
Markowska, Agata [1 ]
Tomaszewska, Maria U. [1 ]
机构：
[1] Tech Univ Szczecin, Inst Technol Chem Nieorgan & Inzynierii Srodowisk, PL-70322 Szczecin, Poland
来源：
PRZEMYSL CHEMICZNY | 2008年 / 87卷 / 05期
关键词：
D O I：
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中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
Four biolog. activated carbons were used for treatment of Miedwie lake water (optionally polluted with humic substances) before and after preliminary ozonation (O-3 dosis 1.7 mg/mg of org. C, contact time 3 min) to prep. drinking water. The pollution with humic substances (addn. of water from swamp) resulted in an increase in the org. C content from 9 to 21 mg/L and in colour intensity from 22 to 71 mg Pt/L. The purified water was also analyzed for COD and UV absorbance at 254 nm. The biofiltration resulted in a decrease in total org. C by 63% and COD by 62%. No remarkable decrease in pH was obsd.
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页码：573 / 576
页数：4
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