Aerobic dynamic feeding as a strategy for in situ accumulation of polyhydroxyalkanoate in aerobic granules

被引:33
|
作者
Gobi, K. [1 ]
Vadivelu, V. M. [1 ]
机构
[1] Univ Sains Malaysia, Sch Chem Engn, Nibong Tebal 14300, Penang, Malaysia
关键词
Aerobic granules; Mixed culture; Polyhydroxyalkanoate (PHA); Volatile fatty acids (VFA); MIXED CULTURES; WASTE-WATER; POLYHYDROXYBUTYRATE PRODUCTION; ACTIVATED-SLUDGE; PHA PRODUCTION; OPTIMIZATION; STRAINS;
D O I
10.1016/j.biortech.2014.03.104
中图分类号
S2 [农业工程];
学科分类号
0828 ;
摘要
Aerobic dynamic feeding (ADF) strategy was applied in sequencing batch reactor (SBR) to accumulate polyhydroxyalkanoate (PHA) in aerobic granules. The aerobic granules were able to remove 90% of the COD from palm oil mill effluent (POME). The volatile fatty acids (VFAs) in the POME are the sole source of the PHA accumulation. In this work, 100% removal of propionic and butyric acids in the POME were observed. The highest amount of PHA produced in aerobic granules was 0.6833 mg PHA/mg biomass. The PHA formed was identified as a P (hydroxybutyrate-co-hydroxyvalerate) P (HB-co-HV). (C) 2014 Elsevier Ltd. All rights reserved.
引用
收藏
页码:441 / 445
页数:5
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