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Production of Polyhydroxyalkanoates (PHAs) from Sequencing Batch Reactor Using Synthetic Wastewater

연속회분식 처리시스템에서 인공하수를 이용한 Polyhydroxyalkanoates (PHAs)의 생산

Son, Jae-hyup;Cha, Sang-Hyeop;Park, Jun-mo;Park, Hung-suck
손재협;차상협;박준모;박흥석

  • Received : 2015.02.25
  • Accepted : 2015.06.30
  • Published : 2015.06.30

Abstract

The production of polyhydroxyalkanoates (PHAs) using Sequencing Batch Reactor (SBR) was investigated. The experiments were performed in two fabricated SBRs (4 L) of different oxidation state. Synthetic wastewater was used as substrate, using C/N/P ratio of 42:10:1. SBR 1 and SBR 2 were operated in aerobic dynamic feeding (ADF) and anaerobic/oxic dynamic feeding (AODF) condition, respectively. ADF provide feast and famine in aerobic condition, while AODF in anaerobic/oxic condition. PHAs production was found high in AODF than AOF. Maximum PHAs content of 40.0% (w/w)of biomass were produced in AODF mode. Produced PHAs structural and thermal property were good.

Keywords

Sludge;Bioplastic;Polyhydroxyalkanoates (PHAs) Production;Biodegradable Polymer;Biosynthesis

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Acknowledgement

Grant : 울산 친환경 생태산업단지 사업팀