생물활성탄에서 분리한 미생물의 지오스민 제거효율 평가
(주)코리아스칼라
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- 2023.04.05
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- 2015.02
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서지정보
ㆍ발행기관 : 대한상하수도학회
ㆍ수록지정보 : 상하수도학회지 / 29권 / 1호
ㆍ저자명 : 백다운, 임재원, 조윤정, 안용태, 이혜영, 박동희, 정동주, 김태우
영어 초록
Recently, the production of taste and odor (TO) compounds is a common problem in water industry. Geosmin is one of the TO components in drinking water. However, geosmin is hardly eliminated through the conventional water treatment systems. Among various advanced processes capable of removing geosmin, adsorption process using granular activated carbon (GAC) is the most commonly used process. As time passes, however GAC process changes into biological activated carbon (BAC) process. There is little information on the BAC process in the literature. In this study, we isolated and identified microorganisms existing within various BAC processes. The microbial concentrations of BAC processes examined were 3.5105 colony forming units (CFU/g), 2.2106 CFU/g and 7.0105 CFU/g in the Seongnam plant, Goyang plant and Goryeong pilot plant, respectively. The dominant bacterial species were found to be Bradyrhizobium japonicum, Novosphingobium rosa and Afipia broomeae in each plants. Removal efficiencies of 3 g/L geosmin by the dominant species were 36.1%, 36.5% and 34.3% in mineral salts medium(MSM) where geosmin was a sole carbon source.
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