Treatability of landfill leachate by combined upflow anaerobic sludge blanket reactor and aerated lagoon

被引:0
|
作者
S. Govahi
A. Karimi-Jashni
M. Derakhshan
机构
[1] Islamic Azad University,Department of Civil Engineering, Behbahan Branch
[2] Shiraz University,Department of Civil and Environmental Engineering, Faculty of Engineering
[3] Islamic Azad University,Department of Civil, Behbahan Branch
来源
International Journal of Environmental Science and Technology | 2012年 / 9卷
关键词
Biogas; Efficiency; Removal; Sequential; Treatment;
D O I
暂无
中图分类号
学科分类号
摘要
Continuous upflow anaerobic sludge blanket reactor performs more favorably at the higher organic loading rate than other anaerobic treatment. The treatment of municipal landfill leachate of Shiraz’s city investigated using continuous flow anaerobic reactor and subsequently aerated lagoon. Landfill leachate has chemical oxygen demand of 45,000–90,000 mg/L and ammonia nitrogen at 1,000–2,500 and heavy metals that can impact biological treatments. Capacity of anaerobic and aerobic reactors is 10 and 20 L that operated at detention time of 2 and 4 days, respectively. Organic loading rate of upflow anaerobic sludge blanket is between 0.5–20 g chemical oxygen demand/L/day. Chemical oxygen demand removal efficiencies are between 57–87, 35–70 and 66–94% in the anaerobic, aerobic and whole system, respectively. As the entry, leachate organic loading rate increased from 1 to 20 g/L/day, the chemical oxygen demand removal efficiency reached a maximum of 71% and 84% in the anaerobic reactor and whole system, respectively, at high organic loading rate. Ammonium removal efficiency was about 54% after the aerobic stage.
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页码:145 / 151
页数:6
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