SMR (Steam Methane Reforming) 수소제조 경제성 분석을 위한 개산견적 모델 개발 = Development of Conceptual Cost Estimation Model for an Economic Analysis of Steam Methane Reforming based Hydrogen Production

국문 초록 (Abstract)

본 연구에서는 대규모 추출(개질)수소 생산을 위하여 수증기 메탄 개질반응(steam methane reforming, SMR) 수소제조 개산견적 모델을 개발하였다. 개발한 모델을 이용하여 수소제조 시설의 규모에 따른연도별 CAPEX(capital expenditure), OPEX(operating expenditure), ABEX(abandonment expenditure) 를 산출하여 경제성 분석에 반영하였고, 경제성 분석의 다양한 입력변수들에 따른 민감도 분석을수행하였다. 그 결과, 수소제조 시설의 규모가 커질 때의 균등화 수소원가(levelized cost of hydrogen, LCOH) 와 순현재가치(net present value, NPV) 의 관계를 확인하였다. 일일 수소생산량 333톤 규모로 가정한 기본모델의 균등화 수소원가를 2.91 US$/kg으로 산출하고, 현실성이 있는 결과로 확인하였다. 이를 통해, SMR방식을 적용한 수소사업의 다양한 시나리오에 대해 신속하고 합리적인 경제성 분석이 가능하고, 효율적 의사결정에 기여할 수 있다.

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