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퍼지기반 해양 미생물 이용 수소 제조 공정의 고장유형 및 영향분석
박성호,안준건,김수현,유영돈,장대준,강성균,PARK, SUNG HO,AHN, JUNKEON,KIM, SU HYUN,YOO, YOUNG DON,CHANG, DAEJUN,KANG, SUNGKYUN 한국수소및신에너지학회 2018 한국수소 및 신에너지학회논문집 Vol.29 No.4
In this study, the failure mode and effect analysis (FMEA) of hydrogen production process by using the Thermococcus onnurineus NA1 was conducted and advanced methodology to compensate the weakness of previous FMEA methodology was applied. To bring out more quantitative and precise FMEA result for bio-hydrogen production process, fuzzy logic and potential loss cost estimated from ASPEN Capital Cost Estimator (ACCE) was introduced. Consequently, risk for releasing the flammable gases via internal leakage of steam tube which to control the operating temperature of main reactor was caution status in FMEA result without applying the fuzzification and ACCE. Moreover, probability of the steam tube plugging caused by solid property like medium was still caution status. As to apply the fuzzy logic and potential loss cost estimated from ACCE, a couple of caution status was unexpectedly upgraded to high dangerous status since the potential loss cost of steam tube for main reactor and decrease in product gases are higher than expected.