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

descriptionPublicationkeyboard_double_arrow_right Article , Journal 01 Nov 2011Publisher:Elsevier BVJournal:Bioresource Technology, volume 102, pages 10,363-10,370 (issn: 0960-8524,

Authors: Mudtorlep Nisoa; Athirat Rarngnarong; Chontisa Sukkasem; Pansak Kirdtongmee; Piyarat Boonsawang; Adilan Hniman; Sunee Laehlah; +1 Authors

doi: 10.1016/j.biortech.2011.09.007

pmid: 21955877

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

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Abstract

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 kΩ. 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/m3 and the total power consumption was 0.152 kW/kg treated COD. The overall advantages of this invention are suitable for biodiesel wastewater treatment.

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Keywords

Biological Oxygen Demand Analysis, Time Factors, Bioelectric Energy Sources, Denaturing Gradient Gel Electrophoresis, Hydrogen-Ion Concentration, Waste Disposal, Fluid, Aerobiosis, Water Purification, Oxygen, Electricity, Biofuels, Fermentation, Biocatalysis, Costs and Cost Analysis, Electrodes, Filtration

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