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Citation: ZHENG Yu-Dong, ZHONG Qing-Hua, MA Wen-Shi. Biosynthesis of Polyhydroxyalkanoates from Waste Water[J]. Chinese Journal of Applied Chemistry, ;2000, 17(6): 660-662. shu

Biosynthesis of Polyhydroxyalkanoates from Waste Water

1.
Institute of Material Science, South China University of Science and Technology, Guangzhou 510641

Received Date: 29 December 1999
Available Online: 17 May 2000
Fund Project: 广东省自然科学基金资助项目(990621) (990621)

A number of microorganisms in activated sludge in the process of waste water treatment were used for accumulating polyhydroxyalkanoates(PHA). Mixed bacteria and organic carbon source were used in microaerophilic-aerobic treatment of activated sludge and some cultural conditions:oxygen supply rate, attachment carbon source concentration and culture time were investigated. The PHAs obtained appeared a mixture of copolymers or heteropolymers with various monomer unites:3-hydroxybutyrate, 4-hydroxy-pentanoate, 3-hydroxydodecanoate, 3-hydroxy-tetradecanoate, 3-hydroxy-9-hexadecanoate, 3-hydroxyhe-xadecanoate, 3-hydroxy-11-octadecanoate, 3-hydroxy-9-octadecanoate, and 3-hydroxyocta-decanoate.
- polyhydroxyalkanoate,
- biosynthesis,
- waste water,
- activated sludge
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