지원사업
학술연구/단체지원/교육 등 연구자 활동을 지속하도록 DBpia가 지원하고 있어요.
커뮤니티
연구자들이 자신의 연구와 전문성을 널리 알리고, 새로운 협력의 기회를 만들 수 있는 네트워킹 공간이에요.
논문 기본 정보
- 자료유형
- 학위논문
- 저자정보
- 지도교수
- 전항배
- 발행연도
- 2017
- 저작권
- 충북대학교 논문은 저작권에 의해 보호받습니다.
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MEC has been considered to enhance microbial activity and increase the production of biogas which containing hydrogen, methane. However, there is a critical barrier to overcome the high inter resistance in large scale distances.
In order to minimize the internal resistance, several researches have been focused on minimize the electrode distance, select material, enhance ion-strength and conductivity, and increase in internal mass transfer.
In this study, the effect of electrode distance and agitating velocity on methane production from a single anaerobic digestion reactor coupled with MEC was analyzed and the possibility of reducing internal resistance at various electrode distance was evaluated by increasing agitating velocity.
Inter spacing velocities between electrode were calculated with CFD and flux gradient were defined for explaining the effect both electrode distance and velocity no current density and coulombic efficiency.
As the result, the current density and coulombic efficiency were decreased when electrode distance increased. and the current density and coulombic efficiency were increased when agitating velocity increased. And flow gradient increasement
Also, improvement of flux gradient contributes to the improvement of the current density, the coulombic efficiency and the methane production and the effect is increased with the electrode interval.
In order to minimize the internal resistance, several researches have been focused on minimize the electrode distance, select material, enhance ion-strength and conductivity, and increase in internal mass transfer.
In this study, the effect of electrode distance and agitating velocity on methane production from a single anaerobic digestion reactor coupled with MEC was analyzed and the possibility of reducing internal resistance at various electrode distance was evaluated by increasing agitating velocity.
Inter spacing velocities between electrode were calculated with CFD and flux gradient were defined for explaining the effect both electrode distance and velocity no current density and coulombic efficiency.
As the result, the current density and coulombic efficiency were decreased when electrode distance increased. and the current density and coulombic efficiency were increased when agitating velocity increased. And flow gradient increasement
Also, improvement of flux gradient contributes to the improvement of the current density, the coulombic efficiency and the methane production and the effect is increased with the electrode interval.
목차
제 1장. 서 론 11.1 연구배경 11.2 연구목적 및 내용 4제 2장. 이론 배경 52.1 혐기성 소화 52.1.1 혐기성 소화의 원리 52.1.1.1 가수분해 82.1.1.2 산 생성 82.1.1.3 메탄 생성 92.1.2 혐기성소화의 영향인자 102.1.2.1 온도 102.1.2.2 교반 102.2 미생물전기화학시스템(Bio-electrochemical System, BES) 112.2.1 미생물 전기화학적 시스템(BES)의 원리 112.2.2 미생물전기분해전지의 원리 132.2.3 MEC의 영향인자 152.2.3.1 전위차 152.2.3.2 전류밀도 및 쿨롱효율 172.2.3.3 내부저항 182.2.4 MEC의 연구동향 192.3 MEC 내부저항의 영향인자 202.3.1 전극 간격 202.3.2 전극 형태 및 재질 212.3.3 전해질(Electrolyte) 232.3.4 반응조 형태 252.3.5 교반강도 26제 3장. 실험 재료 및 방법 283.1 식종슬러지 및 기질의 특성 283.2 반응조 구성 293.3 실험 조건 303.4 전기화학적 계산 313.5 CFD를 이용한 전극 사이에서의 평균유속 계산 323.6 선단부 유속 및 유동경사 계산 323.7 분석방법 33제 4장. 결과 및 고찰 344.1 CFD를 이용한 전극 사이에서의 평균유속 계산 344.2 전기화학적 특성 374.3 유기물 제거에 따른 메탄발생 및 수율 404.4 유동경사(교반강도)에 따른 전류밀도와 쿨롱효율 434.5 유동경사(교반강도)와 전류에 따른 메탄생성 45제 5장. 결론 48참고문헌 50
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