| 학회 |
한국화학공학회 |
| 학술대회 |
2017년 가을 (10/25 ~ 10/27, 대전컨벤션센터) |
| 권호 |
23권 2호, p.2309 |
| 발표분야 |
촉매 및 반응공학 |
| 제목 |
Controlling the La2O2CO3 phases in La2O2CO3/ZnO Catalysts for direction carbonation of glycerol with CO2 |
| 초록 |
La-Zn mixed oxide materials have been used as a typical heterogeneous catalyst for glycerol carbonylation with CO2 to produce glycerol carbonate, which has attracted great attention as an alternative route to simultaneously utilize glycerol, a byproduct of biodiesel, and CO2, a greenhouse gas. In this study, we prepared the La2O2CO3/ZnO catalysts by two different methods – co-precipitation and ethylene glycol combustion and calcined them at different temperature. The different thermal treatment temperatures induced two kinds of La2O2CO3 phase transition of two catalysts, proven by XRD measurements. The main La2O2CO3 phase which was prepared by ethylene glycol combustion method was monoclinic La2O2CO3 structure until 600°C of calcination temperature. At 700°C of calcination temperture, the monoclinic La2O2CO3 phase was transformed into La2O3 phase. And the phase transition of La2O2CO3 which was prepared by co-precipitation method is still at work. |
| 저자 |
정해원1, 우홍안1, Nguyen Phu Huy1, 김지예1, Yong Men2, 신은우1
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| 소속 |
1울산대, 2Shanghai Univ. |
| 키워드 |
촉매 및 반응공학 |
| E-Mail |
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| 원문파일 |
초록 보기 |
