| 학회 | 한국화학공학회 |
| 학술대회 | 2018년 봄 (04/25 ~ 04/27, 창원컨벤션센터) |
| 권호 | 24권 1호, p.814 |
| 발표분야 | 촉매 및 반응공학 |
| 제목 | Ordered mesoporous WO x /SnO 2 with excellent catalytic performance for producing bio-additives from acetalization of glycerol |
| 초록 | Highly ordered mesoporous WO x
/SnO 2
catalysts displaying excellent catalytic performance were demonstrated in the acetalization of glycerol with acetone. A series of WO x
/SnO 2
catalysts with varying WO x
loadings (5 ~ 20 wt%) were prepared by the wet-impregnation method using ammonium metatungstate as a W source. The synthesized catalysts were analyzed using various techniques including XRD, N 2
-isotherm, SEM, H 2
-TPR, Raman, and TGA analysis. For the acetalization of glycerol with acetone, WO x
/meso-SnO 2
with 20 wt% WO x
was found to be the most active catalyst, and the maximum conversion of glycerol (100%) was obtained after 2 h at 20 oC, providing 97.4% selectivity (97.4% yield) for the five-membered product, due to the presence of a large number of acidic sites on the surface of the catalyst. The catalytic activity of 20 wt% WO x
/meso-SnO 2
was also studied in a flow reactor. The catalytic results showed that, when the WHSV was 4 h-1, both the glycerol conversion (100% to 97.9%) and solketal yield (97.5% to 93.6%) slightly decreased after 24 h of time-on-stream. |
| 저자 | 이정화 , 박진서 , 이정호 , 이정양 , 김지만 |
| 소속 | 성균관대 |
| 키워드 | 촉매 및 반응공학 |
| VOD | VOD 보기 |
| 원문파일 | 초록 보기 |
