Upflow bio-filter circuit (UBFC): Biocatalyst microbial fuel cell (MFC) configuration and application to biodiesel wastewater treatment

被引：26
|
作者：
Sukkasem, Chontisa [1 ,2 ]
Laehlah, Sunee [1 ]
Hniman, Adilan [3 ]
O-Thong, Sompong [1 ,4 ]
Boonsawang, Piyarat [3 ]
Rarngnarong, Athirat [3 ]
Nisoa, Mudtorlep [5 ]
Kirdtongmee, Pansak [5 ]
机构：
[1] Thaksin Univ, Ctr Excellent Sustainable Energy & Environm, Phattalung 93110, Thailand
[2] Thaksin Univ, Fac Technol & Community Dev, Dept Food Sci & Technol, Phattalung 93110, Thailand
[3] Prince Songkla Univ, Fac Agroind, Dept Ind Biotechnol, Hat Yai 90110, Songkhla, Thailand
[4] Thaksin Univ, Fac Sci, Dept Biol, Phattalung 93110, Thailand
[5] Walailak Univ, Dept Phys, Fac Sci, Nakhon Si Thammarat 80160, Thailand
来源：
BIORESOURCE TECHNOLOGY | 2011年 / 102卷 / 22期
关键词：
Upflow bio-filter circuit (UBFC); Microbial fuel cell (MFC); Biodiesel wastewater; Biocatalyst; COD removal; ELECTRICITY-GENERATION; MEDIATOR-LESS; PERFORMANCE; CATHODE; DIGESTION; NITRATE;
D O I：
10.1016/j.biortech.2011.09.007
中图分类号：
S2 [农业工程];
学科分类号：
0828 ;
摘要：
A biodiesel wastewater treatment technology was investigated for neutral alkalinity and COD removal by microbial fuel cell. An upflow bio-filter circuit (UBFC), a kind of biocatalyst MFC was renovated and reinvented. The developed system was combined with a pre-fermented (PF) and an influent adjusted (IA) procedure. The optimal conditions were operated with an organic loading rate (OLR) of 30.0 g COD/L-day, hydraulic retention time (HRT) of 1.04 day, maintained at pH level 6.5-7.5 and aerated at 2.0 L/min. An external resistance of circuit was set at 10 k Omega. The purposed process could improve the quality of the raw wastewater and obtained high efficiency of COD removal of 15.0 g COD/L-day. Moreover, the cost of UBFC system was only US$1775.7/m(3) and the total power consumption was 0.152 kW/kg treated COD. The overall advantages of this invention are suitable for biodiesel wastewater treatment. (C) 2011 Elsevier Ltd. All rights reserved.
引用
收藏
页码：10363 / 10370
页数：8
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