Please use this identifier to cite or link to this item: http://hdl.handle.net/10397/21600
Title: Synthesis of PHAs from waster under various C:N ratios
Authors: Wang, YJ
Hua, FL
Tsang, YF
Chan, SY
Sin, SN
Chua, H
Yu, PHF
Ren, NQ
Keywords: Activated sludge
PHAs
PHB-PHV
Waste
Issue Date: 2007
Publisher: Elsevier
Source: Bioresource technology, 2007, v. 98, no. 8, p. 1690-1693 How to cite?
Journal: Bioresource technology 
Abstract: Polyhydroxyalkanoates (PHAs) production was carried out under various C:N ratios. A ratio of 100 resulted best polymer yield. C-source was an important factor in synthesis. For example, as the ratio of valeric acid (C5) to butyric acid (C4) in N-free medium was increased, the mole fraction of HV in the copolymer increased. When soy waste was used as a C-source a copolymer, a high HV mole fraction (HB:HV, 75:25) was produced while when malt waste was used, a much lower HV mole fraction (HB:HV, 90:10) was generated. It was concluded that activated sludge bacteria could be induced to produce PHAs using food wastes as C-sources and this could be the basis for production of biodegradable plastics.
URI: http://hdl.handle.net/10397/21600
ISSN: 0960-8524
EISSN: 1873-2976
DOI: 10.1016/j.biortech.2006.05.039
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