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https://hdl.handle.net/2440/79631
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dc.contributor.author | Hai, F. | - |
dc.contributor.author | Yamamoto, K. | - |
dc.contributor.author | Nakajima, F. | - |
dc.contributor.author | Fukushi, K. | - |
dc.contributor.author | Nghiem, L. | - |
dc.contributor.author | Price, W. | - |
dc.contributor.author | Jin, B. | - |
dc.date.issued | 2013 | - |
dc.identifier.citation | Bioresource Technology, 2013; 141:29-34 | - |
dc.identifier.issn | 0960-8524 | - |
dc.identifier.issn | 1873-2976 | - |
dc.identifier.uri | http://hdl.handle.net/2440/79631 | - |
dc.description.abstract | The aim of this study was to systematically compare the degradation of azo dye acid orange 7 by spongy pellets and attached biofilm of Coriolus versicolour (NBRC 9791) in a membrane bioreactor (MBR) under non-sterile conditions. Mild stirring (35 rpm) resulted in spherical (φ=0.5 cm), spongy pellets and concomitantly triggered high enzymatic activity of the fungus, allowing for excellent decolouration (>99%) of a synthetic wastewater containing the dye. However, bacterial contamination eventually damaged the fungus pellets, leading to decreased decolouration efficiency. Promotion of attached growth on a plastic support along with formation of spherical spongy pellets allowed maintenance of high enzymatic activity and decolouration/degradation for an extended period. Hydraulic retention time (HRT) could influence the level of enzymatic activity and decolouration; however, even at the shortest HRT (1 day) examined, the MBR could accomplish >95% decolouration. | - |
dc.description.statementofresponsibility | Faisal I. Hai, Kazuo Yamamoto, Fumiyuki Nakajima, Kensuke Fukushi, Long D. Nghiem, William E. Price and Bo Jin | - |
dc.language.iso | en | - |
dc.publisher | Elsevier Sci Ltd | - |
dc.rights | © 2013 Elsevier Ltd. All rights reserved. | - |
dc.source.uri | http://dx.doi.org/10.1016/j.biortech.2013.02.020 | - |
dc.subject | Biofilms | - |
dc.subject | Basidiomycota | - |
dc.subject | Azo Compounds | - |
dc.subject | Membranes, Artificial | - |
dc.subject | Bioreactors | - |
dc.subject | Water Purification | - |
dc.subject | Color | - |
dc.subject | Biodegradation, Environmental | - |
dc.title | Degradation of azo dye acid orange 7 in a membrane bioreactor by pellets and attached growth of Coriolus versicolour | - |
dc.type | Journal article | - |
dc.identifier.doi | 10.1016/j.biortech.2013.02.020 | - |
pubs.publication-status | Published | - |
Appears in Collections: | Aurora harvest Chemical Engineering publications Environment Institute publications |
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