Anaerobic Treatment of Palm Oil Mill Effluent in Pilot-Scale Anaerobic EGSB Reactor.
作者： Jin Wang , Qaisar Mahmood , Jiang-Ping Qiu , Yin-Sheng Li , Yoon-Seong Chang
DOI: 10.1155/2015/398028
关键词:
摘要: Large volumes of untreated palm oil mill effluent (POME) pose threat to aquatic environment due the presence very high organic content. The present investigation involved two pilot-scale anaerobic expanded granular sludge bed (EGSB) reactors, continuously operated for 1 year treat POME. Setting HRT at 9.8 d, EGSB reactors reduced COD from 71179 mg/L 12341 mg/L and recycled half by a dissolved air flotation (DAF). average was 3587 mg/L with consistent removal efficiency 94.89%. Adding cationic polymer (PAM) dose 30 mg/L DAF unit recycling its caused granulation sludge. Bacilli small coccid bacteria were dominant microbial species reactor. reactor produced 27.65 m3 biogas per m3 POME which utilized electricity generation.
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