Biodegradation of pulp and paper mill effluent using anaerobic followed by aerobic digestion

被引：0
|
作者：
Bishnoi, NR [1 ]
Khumukcharn, RK [1 ]
Kumar, R [1 ]
机构：
[1] Guru Jambheshwar Univ, Dept Environm Sci & Engn, Hisar 125001, Haryana, India
来源：
JOURNAL OF ENVIRONMENTAL BIOLOGY | 2006年 / 27卷 / 02期
关键词：
black liquor; biodegradation; CSTR; ASP; biomethanogenesis; hydraulic retention time;
D O I：
暂无
中图分类号：
X [环境科学、安全科学];
学科分类号：
08 ; 0830 ;
摘要：
An experimental study was carried to find out the degradability of black liquor of pulp and paper mill wastewater for biomethanogenesis in continuous stirred tank reactor (CSTR) and followed by activated sludge process (ASP). Continuous stirred tank reactor was used in present study for anaerobic digestion of black liquor, while completely mixed activated sludge system was used for aerobic digestion. A maximum methane production was found upto 430ml/day, chemical oxygen demand was reduced upto 64% and total volatile fatty acid increased upto 1500mg/l from 975mg/l at 73 pH, 37 degrees C temperature and 8 days hydraulic retention time during anaerobic digestion. In activated sludge process (aerobic digestion) chemical oxygen demand and biological oxygen demand reduction were 81% and 86% respectively at 72 hr hydraulic retention time.
引用
收藏
页码：405 / 408
页数：4
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