| 학회 |
한국화학공학회 |
| 학술대회 |
2012년 가을 (10/24 ~ 10/26, 부산 BEXCO) |
| 권호 |
18권 2호, p.2459 |
| 발표분야 |
촉매 및 반응공학 |
| 제목 |
Transesterification of glycerol with dimethyl carbonate using CaO : Homogeneous vs heterogeneous |
| 초록 |
Glycerol carbonate was synthesized by transesterification of glycerol with dimethyl carbonate (DMC) under various reaction conditions using CaO, which already known as a heterogeneous catalyst in the transesterificatioin. On the contrary, in this study, we found CaO that calcined at 900°C was completely dissolved in the specific reaction mixture of glycerol and DMC in 5 min at 75°C, which indicate the CaO is act as homogeneous catalyst. The dissolved Ca species was recovered and characterized using TOF-SIMS, elemental analysis, and FT-IR. The results indicated that an active species, Ca(C3H7O3)(OCO2CH3) was generated from the interaction of CaO with glycerol and DMC and its formation in the reaction mixture was affected by the amount of DMC used. A plausible reaction mechanism to the formation of Ca(C3H7O3)(OCO2CH3) and glycerol carbonate were proposed on the basis of experimental and spectroscopic results. |
| 저자 |
Fidelis Simanjuntak1, 이상득2, 안병성2, 이현주2
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| 소속 |
1KIST / Univ. of Science and Technology, 2KIST |
| 키워드 |
glycerol; glycerol carbonate; calcium oxide
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| E-Mail |
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| 원문파일 |
초록 보기 |
