Production of polyhydroxyalkanoate (PHA) by Ralstonia eutropha JMP 134 with volatile fatty acids from palm oil mill effluent as precursors

被引:7
|
作者
Setiadi, Tjandra [1 ]
Aznury, Martha [2 ]
Trianto, Azis [1 ]
Pancoro, Adi [3 ]
机构
[1] Inst Teknol Bandung, Fac Ind Technol, Dept Chem Engn, Labtek 10,Jl Ganesha 10, Bandung 40132, Indonesia
[2] Politekn Negeri Sriwijaya, Dept Chem Engn, Palembang, Indonesia
[3] Inst Teknol Bandung, Sch Life Sci & Technol, Bandung 40132, Indonesia
关键词
batch; fed batch; palm oil mill effluent; polyhydroxyalkanoate (PHA); Ralstonia eutropha JMP 134; volatile fatty acids (VFAs); BIOSYNTHESIS; POLY(3-HYDROXYBUTYRATE-CO-3-HYDROXYVALERATE); WASTE;
D O I
10.2166/wst.2015.391
中图分类号
X [环境科学、安全科学];
学科分类号
08 ; 0830 ;
摘要
The highest volatile fatty acids (VFAs) concentration from palm oil mill effluent (POME) treated by anaerobic fermentation was achieved for a 1-day process when the main acids used were acetic, propionic and butyric acids. Polyhydroxyalkanoate (PHA) production with VFAs from POME as precursors in the fed-batch mode has advantages over batch mode, both in terms of its productivity and 3HV (3-hydroxyvalerate) composition in the produced polymer. With the fed batch, the productivity increased to 343% and contained more 3HV than those of the batch. The structures of the PHA were identified by different methods and they supported each other; the resulting products consisted of functional groups of 3HB (3-hydroxybutyrate) and 3HV.
引用
收藏
页码:1889 / 1895
页数:7
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