Two-Stage Anaerobic Treatment of Dairy Wastewater Using HUASB with PUF and PVC Carrier

In the present study, an attempt has been made to treat dairy wastewater entirely via anaerobic treatment over a period of 215 days, using two-stage Hybrid Upflow Anaerobic Sludge Blanket (HUASB) reactors, which offer the advantages associated both with fixed film and upflow sludge blanket treatment...

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Bibliographic Details
Published in:Biotechnology and bioprocess engineering 2007-06, Vol.12 (3), p.257-264
Main Authors: Rajesh Banu, J. (Sungkyunkwan University, Suwon, Republic of Korea), Kaliappan, S. (Anna University, Tamilnadu, India), Yeom, I.T. (Sungkyunkwan University, Suwon, Republic of Korea), E-mail: yeom@skku.ac.kr
Format: Article
Language:English
Subjects:
Anaerobic digestion
ANAEROBIC TREATMENT
BIOGAS
BIOGAZ
Dairy industry wastewaters
dairy wastewater
HUASB
Load distribution
Organic loading
Polyvinyl chloride
Reactors
Sludge
TRAITEMENT ANAEROBIQUE
TRATAMIENTO ANAEROBICO
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Summary:In the present study, an attempt has been made to treat dairy wastewater entirely via anaerobic treatment over a period of 215 days, using two-stage Hybrid Upflow Anaerobic Sludge Blanket (HUASB) reactors, which offer the advantages associated both with fixed film and upflow sludge blanket treatments. A HUASB with polyurethane foam cubes was used for stage Ⅰ, and a HUASB utilizing PVC-cut rings was used for stage Ⅱ. The output from stage Ⅰ was used as the input for stage Ⅱ. The two-stage reactor was operated at an organic loading rate that varied from 10.7 to 21.4 kg COD ㎥/d for a period of 215 days, including the start-up period.
ISSN:1226-8372
1976-3816
DOI:10.1007/BF02931101