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논문 기본 정보

자료유형
학술저널
저자정보
류재용 (경남대학교)
저널정보
한국폐기물자원순환학회 한국폐기물자원순환학회지 한국폐기물자원순환학회지 제39권 제6호
발행연도
2022.12
수록면
543 - 552 (10page)

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초록· 키워드

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Climate change represents a worldwide warning on global warming and has elevated awareness on the global climate crisis. As a result, worldwide changes to tackle climate change have been initiated. In compliance with the Paris agreement, Korea has declared Carbon Net Zero and implemented legislative changes. Regarding the greenhouse gas emissions in Korea, the mineral industry plays a large role among other industries. A huge amount of greenhouse gases is emitted during the decarboxylation and calcination processes in the cement production process. Therefore, to address the climate crisis, the cement industry also needs to develop technologies to promote carbon neutrality. This study was conducted to explore ways to control SF6, of which GWP is the highest, using cement kiln and thermal plasma, and to recycle the byproduct of pyrolysis into an eco-friendly cement supplementary material by immobilizing it with calcium oxide. The destruction and removal efficiency of SF6 was 100%, while the immobilization reaction rate calculated from the concentration change of the by-product was 99.4%. As a by-product of the immobilization reaction, cement subsidiary raw materials such as fluorite (CaF2) and anhydrite (CaSO4) were generated, and it is thought that recycling of these raw materials is possible.

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