title: Aerobic dynamic feeding as a strategy for in situ accumulation of polyhydroxyalkanoate in aerobic granules.
abstract: 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 0.6833mgPHA/mgbiomass. The PHA formed was identified as a P (hydroxybutyrate-co-hydroxyvalerate) P (HB-co-HV).
authors.affiliation: School of Chemical Engineering, Universiti Sains Malaysia, Engineering Campus, 14300 Nibong Tebal, Penang, Malaysia.
authors.forename: K
authors.initials: K
authors.lastname: Gobi
authors.affiliation: School of Chemical Engineering, Universiti Sains Malaysia, Engineering Campus, 14300 Nibong Tebal, Penang, Malaysia. Electronic address: chvel@usm.my.
authors.forename: V M
authors.initials: VM
authors.lastname: Vadivelu
mesh_terms: D000332:Aerobiosis; D019149:Bioreactors; D005232:Fatty Acids, Volatile / Q000737:chemistry; D054813:Polyhydroxyalkanoates / Q000096:biosynthesis*; D062065:Wastewater / Q000737:chemistry
chemical_list: D005232:Fatty Acids, Volatile; D054813:Polyhydroxyalkanoates; D062065:Wastewater
keywords: Aerobic granules; Mixed culture; Polyhydroxyalkanoate (PHA); Volatile fatty acids (VFA)