Removal of pentachlorophenol from wastewater by combined anaerobic-aerobic treatment

被引：13
|
作者：
Bhattacharya, SK
Yuan, Q
Jin, PK
机构：
[1] Dept. of Civ. and Environ. Eng., 206 Civil Engineering Building, Tulane University, New Orleans
来源：
JOURNAL OF HAZARDOUS MATERIALS | 1996年 / 49卷 / 2-3期
关键词：
acclimation; acetate; activated sludge; aerobic; anaerobic; pentachlorophenol;
D O I：
10.1016/0304-3894(96)01751-7
中图分类号：
X [环境科学、安全科学];
学科分类号：
08 ; 0830 ;
摘要：
In this research, the feasibility of combined anaerobic-aerobic biotreatment of pentachlorophenol (PCP) was studied. PCP at 15 mg l(-1) caused inhibition to both batch and continuous anaerobic systems. However, the recovery time was reduced significantly with higher biomass. With proper acclimation, an acetate-fed anaerobic column could degrade 93% of PCP with influent concentration of 15 mg l(-1). With an aerobic process (a conventional activated sludge system) alone, only 74% of 7.5 mg l(-1) of PCP was removed. Using an activated sludge system as a polishing unit following the upflow anaerobic column up to 97% of 15 mg l(-1) of PCP was removed.
引用
收藏
页码：143 / 154
页数：12
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