Treatment of beet sugar wastewater by UAFB bioprocess

被引:96
作者
Isfahan High Education and Research Institute, PWIT, Iran [1 ]
不详 [2 ]
不详 [3 ]
机构
[1] Isfahan High Education and Research Institute, PWIT
[2] Sharif University of Technology-BBRC, Tehran
[3] M.V.M. Sc. and HSc. College, Saurashtra University, Rajkot
来源
Bioresour. Technol. | 2007年 / 16卷 / 3080-3083期
关键词
Anaerobic bioprocesses; Anaerobic filter packing; Beet sugar wastewater; Industrial wastewater treatment; UAFB;
D O I
10.1016/j.biortech.2006.10.039
中图分类号
学科分类号
摘要
The aim of this work was to study the treatment of strong beet sugar wastewater by an upflow anaerobic fixed bed (UAFB) at pilot plant scale. Three fixed bed bioreactors (each 60 L) were filled with standard industrial packing, inoculated with anaerobic culture (chicken manure, cow manure, anaerobic sludge digested from domestic wastewater) and operated at 32-34 °C with 20 h hydraulic retention time (HRT) and influent COD ranging between 2000-8000 mg/L. Under these conditions the maximum efficiency of organic content reduction in the reactor ranged from 75% to 93%. The reactor filled with standard pall rings made of polypropylene with an effective surface area of 206 m2/m3 performed best in comparison to the reactor filled with cut polyethylene pipe 134 m2/m3 and reactor filled with PVC packing (50 m2/m3). There was 2-7% decrease in efficiency with PE while it was 10-16% in case of PVC when compared to standard pall rings. The study provided a very good basis for comparing the effect of packing in reduction efficiency of the system. © 2007 Elsevier Ltd. All rights reserved.
引用
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页码:3080 / 3083
页数:3
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