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Process development to Produce Polyhydroxyalkanoates (PHAs) from fermented palm oil mill effluent using anaerobic-aerobic sequence batch reactor

Y., Salmiati and Salim, Mohd. Razman and Ujang, Zaini and Olsson, Gustaf (2010) Process development to Produce Polyhydroxyalkanoates (PHAs) from fermented palm oil mill effluent using anaerobic-aerobic sequence batch reactor. In: 1st International Water Association / Young Water Professional Conference 2010, 2-4 March 2010, Best Western Premier Seri Pacific, K. Lumpur.

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Official URL: https://seminar.utmspace.edu.my/iwaywp2010/

Abstract

A laboratory fabricated scale and method for converting palm oil mill effluent (POME) to obtain polyhydroxyalkanoates (PHAs) is studied. The system includes couple reactor that consists of two components, i.e. anaerobic and aerobic sequencing batch reactor (SBR). During fermentation, volatile fatty acids (VFAs) concentration was produced in the range of 5 to 7 g/L and the COD concentration reduced up to 80% from 65 g/L at SRT of 6 days. The VFA from anaerobic fermentation was then utilized for PHA production using a mixed culture in an aerobic reactor with microearophilic-aerobic could increase the PHA production. In addition, production of PHAs was high using high substrates volume because of the higher VFA concentration. Even though the maximum PHA content observed was only 40% of cell dried weight (CDW), their production and performance are significant in mixed microbial culture

Item Type:Conference or Workshop Item (Paper)
Uncontrolled Keywords:Palm oil mill effluent (POME), carbon source, mixed cultures, polyhydroxyalkanoates (PHAs), microaerophilic-aerobic
Subjects:T Technology > TA Engineering (General). Civil engineering (General)
Divisions:Civil Engineering
ID Code:24197
Deposited By: Mrs Liza Porijo
Deposited On:01 Aug 2012 08:56
Last Modified:12 Jun 2017 07:59

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