생활폐기물 성상별 메탄발생률 평가
분야
공학 > 환경공학
저자
박진규 ( Jin Kyu Park ) , 강정희 ( Jeong Hee Kang ) , 김은철 ( Eun Cheol Kim ) , 김경 ( Kyung Kim ) , 윤석표 ( Seok Pyo Yoon ) , 이남훈 ( Nam Hoon Lee )
발행기관
한국폐기물자원순환학회(구 한국폐기물학회)
간행물정보
한국폐기물자원순환학회지 2013년, 제30권 제1호, 52~59페이지(총8페이지)
파일형식
08207082.pdf [무료 PDF 뷰어 다운로드]
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    영문초록
    In this study, anaerobic digestion tests for municipal solid wastes were performed in order to estimate their methane production rates. To simulate methane production rate, the first derivatives of the sigmoidal equations were calculated. The sigmoidal equations used were Gompertz and Logistic equations. Also, diauxic growth was employed to simulate methane production rate from municipal solid wastes. The equations were fitted to simulate methane production rate by nonlinear regression with a Marquardt-Levenberg algorithm. This is a statistical analysing methodology to minimize the sum of the squares of the differences between the predicted and measured values. Data fittings obtained by using the equations were compared statistically by using the RMSE (Root mean square error) and AIC (Akaike`s information criterion). The equations derived from sigmoidal equations successfully described methane production rate for municipal solid wastes. RMSE and AIC were decreased significantly for the equations considering diauxic growth, compared to the equations without diauxic growth. These results showed that the equations derived from sigmoidal equations with diauxic growth can be a useful tool to simulate methane production rate for municipal solid wastes.
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