Development of Flexible Fibre Biofilm Reactor for Treatment of Food Processing Wastewater

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Title Development of Flexible Fibre Biofilm Reactor for Treatment of Food Processing Wastewater
Author Yu, Jimmy; Xu, Hong; Williams, Philip
Journal Name Environmental Technology
Editor J N Lester, R M Harrison
Year Published 2003
Place of publication United Kingdom
Publisher Selper Ltd.
Abstract Biological treatment methods are usually effective and commonly used in the treatment of organic wastewater. However, there are a number of problems for conventional biological treatment methods in treating wastewater from industries such as food processing. For example, microorganisms in the aeration tank in an activated sludge process cannot survive a continuous series of shock loads and the process could become operationally unstable. The associated problem of sludge bulking often occurs when the organic loading to the treatment process is high. In this paper, a new flexible fibre biofilm reactor was developed for the treatment of wastewater from fruit and vegetable processing plants. Experiments were carried out to evaluate the performance of the treatment process. Acclimatisation characteristics of the treatment process were also evaluated. The removal efficiencies for COD and BOD5 for different influent organic strengths were evaluated. Results indicated that over 90% COD removal and 95% BOD5 removal could be achieved. The performance parameters were also compared with a conventional activated sludge process under similar conditions, operated in parallel. It was found that the biofilm reactor exhibited a number of advantages over the conventional reactor. These include (a) high organic loading rate, (b) long sludge retention times and low sludge discharge rate in the settling tank (about 10%), (c) elimination of the sludge recycle stream, and (d) no sludge bulking problem at high organic loading rates. Therefore, the flexible fibre biofilm reactor can provide a more efficient and cost effective treatment for wastewater from food processing industries
Peer Reviewed Yes
Published Yes
Publisher URI http://www.tandf.co.uk/journals/titles/09593330.asp
Alternative URI http://dx.doi.org/10.1080/09593330309385577
Copyright Statement Copyright 2003 Taylor & Francis. Please refer to the journal's website for access to the definitive, published version.
Volume 24
Issue Number 4
Page from 429
Page to 434
ISSN 0959-3330
Date Accessioned 2004-03-16
Date Available 2009-09-01T05:57:39Z
Language en_AU
Research Centre Atmospheric Environment Research Centre
Faculty Faculty of Environmental Sciences
Subject PRE2009-Environmental Technologies
URI http://hdl.handle.net/10072/6043
Publication Type Journal Articles (Refereed Article)
Publication Type Code c1

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