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J Korean Soc Environ Eng > Volume 36(12); 2014 > Article
J Korean Soc Environ Eng 2014;36(12): 858-864. doi: https://doi.org/10.4491/KSEE.2014.36.12.858
BAC 공정에서의 합성 향물질류 생물분해 특성 : 생물분해 동력학
서창동1, 손희종1, 류동춘1, 강소원2, 장성호3
1부산광역시 상수도사업본부 수질연구소
2프리드리히-알렉산더대학교 생명화학공학과
3부산대학교 바이오환경에너지학과
Biodegradation of Synthetic Fragrances in Biological Activated Carbon (BAC) Process : Biodegradation Kinetic
Chang-Dong Seo1, Hee-Jong Son1, Dong-Choon Ryu1, So-Won Kang2, Seong-Ho Jang3
1Water Quality Institute, Water Authority, Busan
2Department of Bio-chemical Engineering, Friedrich-Alexander University
3Department of Bioenvironmental Energy, Pusan National University
Corresponding author  Hee-Jong Son ,Tel: 051-669-4797 , Fax: 051-669-4669, Email: menuturk@hanmail.net
Received: November 12, 2014;  Revised: December 26, 2014;  Accepted: December 30, 2014.  Published online: December 31, 2014.
ABSTRACT
In this study, The effects of empty bed contact time (EBCT) and water temperature on the biodegradation of 8 synthetic fragrances (SFs) in biological activated carbon (BAC) process were investigated. Experiments were conducted at two water temperatures (7 and 18℃) and three EBCTs (5, 10 and 15 min). Increasing EBCT and water temperature increased the biodegradation efficiency of SFs in BAC column. Pentalide and ambrettolide were the highest biodegradation efficiency, but DPMI and ADBI were the lowest. The kinetic analysis suggested a pseudo-first-order reaction model for biodegradation of 8 SFs at various water temperatures and EBCTs. The pseudo-first-order biodegradation rate constants (kbio) of 8 SFs ranging from 0.1184~0.6545 min-1 at 7℃ to 0.3087~0.9173 min-1 at 18℃. By increasing the water temperature from 7℃ to 18℃, the biodegradation rate constants (kbio) were increased 1.4~2.6 times.
Key Words: Synthetic Fragrances (SFs), Biological Activated Carbon (BAC) Process, Water Temperature, Empty Bed Contact Time (EBCT), Biodegradation Kinetic
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