Low flux submerged membrane bioreactor treating high strength leachate from a solid waste transfer station

被引：16
|
作者：
Bui Xuan Thanh [1 ]
Nguyen Phuoc Dan [1 ]
Visvanathan, Chettiyappan [2 ]
机构：
[1] Ho Chi Minh City Univ Technol HCMUT, Fac Environm, Ho Chi Minh City, Vietnam
[2] Asian Inst Technol, Sch Environm Resource & Dev, Environm Engn & Management Program, Pathum Thani 12120, Thailand
来源：
BIORESOURCE TECHNOLOGY | 2013年 / 141卷
关键词：
Low flux; Leachate; Fouling; Submerged membrane bioreactor; LANDFILL LEACHATE;
D O I：
10.1016/j.biortech.2013.02.066
中图分类号：
S2 [农业工程];
学科分类号：
0828 ;
摘要：
A submerged membrane bioreactor was employed to treat high strength leachate generating from a solid waste transfer station. The reactor was operated at low fluxes of 1.2; 2.4; 3.8 and 5.1 LMH. The organic loading rate (OLR) ranged from 2 to 10 kg COD/m(3) day. Results show that 97% removal efficiency of COD at flux of 2.4 LMH. The highest removal of ammonia nitrogen and total nitrogen was 92.0 +/- 1.5% and 88.0 +/- 2.0% respectively at flux of 3.8 LMH. Fouling rates were observed to be 0.075; 0.121; 3.186 and 6.374 kPa/day for the fluxes of 1.2; 2.4; 3.8 and 5.1 LMH, respectively. Membrane fouled very slowly at low flux operation. The sustainable flux was identified to be less than 2.4 LMH for treating high strength leachate. It reveals less fouling was able to achieve for high strength wastewater by reducing the membrane flux. (c) 2013 Elsevier Ltd. All rights reserved.
引用
收藏
页码：25 / 28
页数：4
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