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Effect of Different Leachate/Acetate Ratios in a Submerged Anaerobic Membrane Bioreactor (SAnMBR)
Author(s) -
Taskan Ergin,
Hasar Halil
Publication year - 2012
Publication title -
clean – soil, air, water
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.444
H-Index - 66
eISSN - 1863-0669
pISSN - 1863-0650
DOI - 10.1002/clen.201100291
Subject(s) - bioreactor , leachate , membrane bioreactor , anaerobic exercise , chemistry , membrane fouling , membrane , chromatography , methane , methanogenesis , fouling , pulp and paper industry , environmental engineering , environmental science , environmental chemistry , biology , biochemistry , organic chemistry , physiology , engineering
Leachate treatment using a membrane bioreactor is an effective method. This study presents a configuration including an anaerobic bioreactor and a membrane module, called submerged anaerobic membrane bioreactor (SAnMBR), for treating influent with leachate/acetate rations (L/A), that were kept to be 10, 25, 50, 75, and 100% at a constant SRT (100 days). COD removal decreased from 85 to 75% when the L/A ratio increased from 10 to 100. To prevent membrane fouling, a SAnMBR was operated in the case of circulation of mixed liquor under continuous and intermittent suction. The average fluxes were 2.60 and 0.40 L/m 2 h at the periods of intermittent and continuous suction, respectively. The methane production varied between 0.25 and 0.32 L CH 4 /g COD removed .