| 학회 |
한국화학공학회 |
| 학술대회 |
2011년 가을 (10/26 ~ 10/28, 송도컨벤시아) |
| 권호 |
17권 2호, p.1421 |
| 발표분야 |
분리기술 |
| 제목 |
Effects of preparation method on cyclic stability and CO2 absorption capacity of synthetic CaO-MgO absorbent for sorption enhanced hydrogen production |
| 초록 |
A novel and economical method for preparing CaO-based high-temperature CO2 absorbents that are applied for sorption-enhanced hydrogen production is introduced. CaO-MgO absorbents prepared by the co-precipitation method show excellent cyclic stability but poor absorption capacity (~814 g CO2/100 g absorbent). An additional hydration process provided spacious CO2 pathways resulting in a significant increase of the absorption capacity (~17.447.8 g CO2/100 g absorbent) with excellent cyclic stability. As the MgO content increased, the absorption ratio of the absorbent and the degree of CaO conversion also increased. In addition, XRD analysis revealed that the hydration process followed by calcination at 900 °C led to the formation of a partial solid-solution in the CaO-MgO absorbent containing 25 wt% MgO. |
| 저자 |
이광복, 이수한, 김연주, 우상원
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| 소속 |
충남대 |
| 키워드 |
이산화탄소 흡수제; 연소전 이산화탄소 분리; CaO; MgO
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| E-Mail |
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| 원문파일 |
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