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학술발표회초록보기

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제120회 대한화학회 학술발표회, 총회 및 기기전시회 안내 Domestic wastewater treatment with a photo-assisted microbial electrolysis cell

등록일
2017년 8월 24일 11시 45분 00초
접수번호
1551
발표코드
ELEC.P-477 이곳을 클릭하시면 발표코드에 대한 설명을 보실 수 있습니다.
발표시간
10월 20일 (금요일) 13:00~14:30
발표형식
포스터
발표분야
Electrochemistry
저자 및
공동저자
Yongwon Jeon, JunHyun Kim, Sunghyun KIM*
Department of Bioscience and Biotechnology, Konkuk University, Korea
Microbial electrolysis cells (MECs) are a promising technology for wastewater treatment and the simultaneous production of energy gases such as hydrogen and methane. In most MEC studies, synthetic wastewater which contains pure compounds (acetate or glucose) as a substrate have been examined for effective hydrogen production. External voltage bias of 0.114 V or more must be applied to operate MECs due to the thermodynamic barrier for hydrogen production. To resolve this problem, we have developed a photo-assisted microbial electrolysis cell (PAMEC) for domestic wastewater treatment which consists of a bioanode and a p-type semiconductor photocathode. With an aid of solar energy, our PAMEC system continuously produced methane with 55 A/m3 current density with simultaneous COD removal of 66 % at 0.8 V of external applied voltage under visible light illumination. These results show the possibility of a PAMEC as a future energy source that produce hydrogen and methane from wastewaters.

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