| 학회 |
한국화학공학회 |
| 학술대회 |
2013년 가을 (10/23 ~ 10/25, 대구 EXCO) |
| 권호 |
19권 2호, p.2184 |
| 발표분야 |
환경 |
| 제목 |
Structural effects of alumina on the potassium-based sorbents for post-combustion CO2 capture |
| 초록 |
Potassium-based alumina sorbents were prepared by impregnation of various Al2O3 with 30 wt.% K2CO3. Their CO2 sorption and regeneration properties were investigated in a fixed bed reactor during multiple CO2 sorption and regeneration tests at a low temperature range between 60oC and 200oC. The regeneration capacities of the potassium-based alumina sorbents increased with increasing calcination temperature of alumina. It is because the formation of KHCO3 increased with increasing calcination temperature during CO2 sorption, whereas the formation of KAl(CO3)(OH)2 decreased. In particular, a potassium-based sorbent using α-Al2O3 maintained the high CO2 capture capacity of 90 mg CO2/g sorbent without deactivation during multiple cycles. From these results, it is concluded that the CO2 sorption and regeneration properties of the potassium-based alumina sorbents are affected by the structure of alumina. |
| 저자 |
조민선1, 이수출1, 이중범2, 류청걸2, 김재창1
|
| 소속 |
1경북대, 2한전전력(연) |
| 키워드 |
CO2; Al2O3; K2CO3; KHCO3; KAl(CO3)(OH)2
|
| E-Mail |
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| VOD |
VOD 보기 |
| 원문파일 |
초록 보기 |
