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J Korean Soc Environ Eng > Volume 37(6); 2015 > Article
J Korean Soc Environ Eng 2015;37(6): 363-370. doi: https://doi.org/10.4491/KSEE.2015.37.6.363
연속회분식 처리시스템에서 인공하수를 이용한 Polyhydroxyalkanoates (PHAs)의 생산
손재협, 차상협, 박준모, 박흥석
울산대학교 건설환경공학부
Production of Polyhydroxyalkanoates (PHAs) from Sequencing Batch Reactor Using Synthetic Wastewater
Jae-hyup Son, Sang-Hyeop Cha, Jun-mo Park, Hung-suck Park
Department of Civil and Environmental Engineering, University of Ulsan
Corresponding author  Hung-suck Park ,Tel: 052-259-1050, Fax: 052-221-0152, Email: parkhs@ulsan.ac.kr
Received: February 25, 2015;  Revised: April 17, 2015;  Accepted: June 30, 2015.  Published online: June 30, 2015.
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.
Key Words: Sludge, Bioplastic, Polyhydroxyalkanoates (PHAs) Production, Biodegradable Polymer, Biosynthesis
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