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NTIS 바로가기大韓機械學會論文集. Transactions of the Korean Society of Mechanical Engineers. B. B, v.32 no.10 = no.277, 2008년, pp.729 - 753
김현준 (한국과학기술원 대학원 기계공학과) , 최원영 (한국과학기술원 대학원 기계공학과) , 배수호 (한국과학기술원 대학원 기계공학과) , 신현동 (한국과학기술원 기계공학과)
Oxy-fuel combustion is a reliable way for the reduction of pollutants, the higher combustion efficiency and the separation of carbon dioxide. The review of recent research trends and the prospects of oxy-fuel combustion were presented. The difference in characteristics among oxy-fuel combustion, con...
핵심어 | 질문 | 논문에서 추출한 답변 |
---|---|---|
CO는 어떤 면에서 유해한 기체인가? | 산업용 연소 시스템에 있어 환경 오염에 영향을 주는 대표적인 배출 가스로는 CO, SOx 및 NOx 를 예로 들 수 있다. CO 는 인체에 흡입될 경우 적혈구의 산소 결합을 방해하여 중독에 이르게 하는 유해한 기체이다.(3) SOx 와 NOx 는 그 자체도 인체에 유해하지만 물과 결합하여 황산 및 질산을 생성하기 때문에 대기중에 배출될 경우 산성비의 원인이 된다. | |
NOx 저감 기술 중, 연소 후처리 기법과 연소 개선 방식 기법의 예는? | NOx 저감 기술은 크게 연소 후처리(post-combustion), 연소 방식 개선(combustion modification) 기법으로 나뉜다. 후처리 기법은 연소기 후단에 촉매, 또는 비촉매 반응을 이용하여 NOx 를 선택적으로 회수하는 장치를 부착하여 배출량을 저감한다.(5,7) 연소 방식 개선을 통하여 NOx 의 배출량을 제어하는 기법으로는 전체 연소장의 온도를 낮추어 thermal NOx 를 줄이거나, 다단 연소 방식을 통하여 NOx 를 환원시켜서 저감하는 방법, 저 NOx 버너를 활용하는 방법, 산화제에서 질소를 배제하는 순산소 연소 방법을 예로 들 수 있다.(5,6) | |
산업용 연소 시스템에 있어 환경 오염에 영향을 주는 대표적인 배출 가스에는 무엇이 있는가? | 산업용 연소 시스템에 있어 환경 오염에 영향을 주는 대표적인 배출 가스로는 CO, SOx 및 NOx 를 예로 들 수 있다. CO 는 인체에 흡입될 경우 적혈구의 산소 결합을 방해하여 중독에 이르게 하는 유해한 기체이다. |
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