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NTIS 바로가기Korean chemical engineering research = 화학공학, v.53 no.1, 2015년, pp.103 - 110
곽계훈 (포항공과대학교 화학공학과) , 사정훈 (포항공과대학교 화학공학과) , 김시환 (포항산업과학연구원) , 이보람 , 이건홍 (포항공과대학교 화학공학과)
In this work, the performance of various promoters was investigated used in
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핵심어 | 질문 | 논문에서 추출한 답변 |
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산업 부문에서 CO2의 배출을 감소시키는 이상적인 방법은 무엇인가? | CO2의 배출을 감소시키는 이상적인 방법은 공정에서의 에너지 효율을 높이는 것이다. 그러나, 철강 공정은 다른 산업 공정과 비교하면 에너지 효율이 현저히 높은 수준이기 때문에, 에너지 효율 개선에 따른 CO2 배출 감소는 기대하기 어려우므로 분리 회수하는 것이 합리적이다. | |
철강 공정의 온실가스 배충량은 어느정도를 차지하고 있는가? | 산업 부문은 CO2 배출량 중 큰 비중을 차지한다. 산업 부문 중에서도 철강 공정은 전 세계 온실가스 배출량의 3.15%, 산업부문의 15%를 차지하고 있다. 이에 더하여, BRICs라 불리는 주요 개발 도상국인 브라질, 러시아, 인도, 중국에서는 철강 수요가 꾸준히 증가하고 있어, 철강 생산에 따른 CO2 발생량은 지속적으로 증가할 것으로 예상된다. | |
Blast Furnace Gas로 부터 CO2를 분리하는 기술로는 무엇들이 있는가? | 철강 공정에서는 Blast Furnace Gas (BFG)라는 배기가스가 발행하는데 주로 CO2/N2 이외에 CO, H2 등이 포함된 복잡한 조성의 혼합가스다. BFG로부터 CO2를 분리하는 기술로는 냉동 증류, 분별 흡착, 가스 흡수, 막 공정 등[4]이 있으며 가스 하이드레이트를 이용한 기술도 제시된 바 있다[5,6]. |
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