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탄산염 광물화 반응의 최적화를 위한 사문석 전처리 특성 연구
남궁훤(Hueon Namkung),장나형(Na-Hyung Jang),이준수(Joon-Soo Lee),허려화(Li-Hua Xu),김형택(Hyung-Teak Kim) 한국에너지기후변화학회 2008 에너지기후변화학회지 Vol.3 No.1
The carbonation reaction of the carbon dioxide and Serpentine in an aqueous have been recently studied. The assessment of the heat treatment was evaluated to be used widely. In this research it was studied to know characteristic of Serpentine through heat treatment. To use FT-IR found out whether the -OH group was removed or not and TGA confirmed weight loss of Serpentine. Also Serpentine was used in experiment less than ~38 ㎛ diameter. Serpentine was treated to improve reactivity at 650℃, for I hour, which was found as the best conditions of heat treatment.
CaO 침지법을 적용한 Spent oil sand와 CO₂의 온도ㆍ압력 변화에 따른 탄산화반응성 연구
박성권(Sung-Kwon Park),심현민(Hyun-Min Shim),장나형(Na-Hyung Jang),김형택(Hyung-Teak Kim) 한국에너지기후변화학회 2009 에너지기후변화학회지 Vol.4 No.1
These days, the crude oil price is fluctuated at big width. This situation brings out the instability of the crude oil price. Oil sand is attracting interest due to stable petroleum resources supplying, high crude prices, and reserve concerns. In this study, the research was performed for fixing COz in spent oil sand which was generated from the process of bitumen extraction using the combustion process. For the fixing COz in removed bitumen spent oil sand, the experiment entrapped carbonation to fix Coz since CaO solution was soaked in spent oil sand. To examine carbonation reactivity by temperature and pressure, the experiment was performed by different temperatme, 400,500, 600 and 700℃, and different pressure, 1,3 and Satm. The resultant of the carbonation reactivity of spent oil sand and Cozwas evaluated by Thermo Gravimetry Analysis (TGA). In the result, the case of carbonation reaction in 50011 was the best reactivity. And in the experiment with the different pressure, the higher pressure, the more reactivity.