Chem. J. Chinese Universities ›› 2017, Vol. 38 ›› Issue (4): 606.doi: 10.7503/cjcu20160843
• Physical Chemistry • Previous Articles Next Articles
CHEN Wenya1, ZHU Li1, HE Jun2, XIE Yunlong1, LU Jiqing1, LUO Mengfei1,*()
Received:
2016-11-25
Online:
2017-04-10
Published:
2017-03-23
Contact:
LUO Mengfei
E-mail:mengfeiluo@zjnu.cn
CLC Number:
TrendMD:
CHEN Wenya, ZHU Li, HE Jun, XIE Yunlong, LU Jiqing, LUO Mengfei. Preparation of Rh/Al2O3-Cr2O3 Monolithic Catalysts for Dichloromethane Combustion†[J]. Chem. J. Chinese Universities, 2017, 38(4): 606.
Catalyst | SBET/(m2·g-1) | H2 consumption/(mmol·g-1) | Surface acidity/(μmol·g-1) |
---|---|---|---|
0.4Rh/Al2O3-Cr2O3 | 137 | 1.93 | 1150 |
Al2O3-Cr2O3 | 122 | 1.54 | 580 |
0.4Rh/Cr2O3 | 47 | 1.09 | 270 |
Cr2O3 | 31 | 0.65 | 280 |
0.4Rh/Al2O3 | 210 | 0.39 | 2180 |
Al2O3 | 207 | 0.11 | 1043 |
Table 1 SBET, H2 consumption and surface acidity data of catalysts
Catalyst | SBET/(m2·g-1) | H2 consumption/(mmol·g-1) | Surface acidity/(μmol·g-1) |
---|---|---|---|
0.4Rh/Al2O3-Cr2O3 | 137 | 1.93 | 1150 |
Al2O3-Cr2O3 | 122 | 1.54 | 580 |
0.4Rh/Cr2O3 | 47 | 1.09 | 270 |
Cr2O3 | 31 | 0.65 | 280 |
0.4Rh/Al2O3 | 210 | 0.39 | 2180 |
Al2O3 | 207 | 0.11 | 1043 |
Fig.2 H2-TPR profiles and H2 consumption of various catalystsa. 0.4Rh/Al2O3-Cr2O3; b. Cr2O3; c. Al2O3-Cr2O3; d. 0.4Rh/Cr2O3; e. 0.4Rh/Al2O3; f. Al2O3.
Fig.4 Catalysis performance of CH2Cl2 on various Rh/Al2O3-Cr2O3 catalysts a. 0.4Rh/Al2O3-Cr2O3; b. Al2O3; c. 0.4Rh/Al2O3; d. Al2O3-Cr2O3; e. 0.4Rh/Cr2O3; f. Cr2O3.
Fig.5 Catalytic performance of xRh/Al2O3-Cr2O3 catalysts a. 0.4Rh/Al2O3-Cr2O3; b. 0.3Rh/Al2O3-Cr2O3; c. 0.2Rh/Al2O3-Cr2O3; d. 0.5Rh/Al2O3-Cr2O3; e. Al2O3-Cr2O3.
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