Preparation of CaO/KIT-6 solid base catalyst and its catalytic performance in transesterification

LIU Tong-hui; LIU Hong-qian; CHU Ge; BI Shi-nan; YU Feng; PAN Da-hai; FAN Bin-bin; LI Rui-feng

doi:10.1016/S1872-5813(21)60024-5

Volume 49 Issue 3

Mar. 2021

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Article Navigation > Journal of Fuel Chemistry and Technology > 2021 > 49(3): 321-328

LIU Tong-hui, LIU Hong-qian, CHU Ge, BI Shi-nan, YU Feng, PAN Da-hai, FAN Bin-bin, LI Rui-feng. Preparation of CaO/KIT-6 solid base catalyst and its catalytic performance in transesterification[J]. Journal of Fuel Chemistry and Technology, 2021, 49(3): 321-328. doi: 10.1016/S1872-5813(21)60024-5

Citation:

LIU Tong-hui, LIU Hong-qian, CHU Ge, BI Shi-nan, YU Feng, PAN Da-hai, FAN Bin-bin, LI Rui-feng. Preparation of CaO/KIT-6 solid base catalyst and its catalytic performance in transesterification[J]. Journal of Fuel Chemistry and Technology, 2021, 49(3): 321-328. doi: 10.1016/S1872-5813(21)60024-5

Citation:

LIU Tong-hui, LIU Hong-qian, CHU Ge, BI Shi-nan, YU Feng, PAN Da-hai, FAN Bin-bin, LI Rui-feng. Preparation of CaO/KIT-6 solid base catalyst and its catalytic performance in transesterification[J]. Journal of Fuel Chemistry and Technology, 2021, 49(3): 321-328. doi: 10.1016/S1872-5813(21)60024-5

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Preparation of CaO/KIT-6 solid base catalyst and its catalytic performance in transesterification

doi: 10.1016/S1872-5813(21)60024-5

College of Chemistry and Chemical Engineering, Taiyuan University of Technology, Taiyuan 030024, China

Funds: The project was supported by the National Natural Science Foundation of China (21706176, 21975174, 21878203), Natural Science Research Foundation of Shanxi Province (201701D121027, 201801D121057, 201801D121061) and Shanxi Science and Technology Innovation Key Team Project (2014131006)

Received Date: 2020-11-03
Rev Recd Date: 2020-11-24

Available Online: 2021-03-19

Publish Date: 2021-03-19

Abstract

Abstract

CaO/KIT-6 was successfully prepared by loading activated calcium oxide particles on the surface of mesoporous silica (KIT-6) by post-synthesis method and tested for the transesterification of soybean oil with methanol. The catalyst was characterized by XRD, XPS, CO₂-TPD, N₂ adsorption-desorption and TEM. It is found that when the molar ratio of methanol to oil is 12, the reaction temperature is 65 °C, the addition of catalyst is 8% and the Ca/Si atomic ratio is 0.4, the conversion of soybean oil exceeds 99.9% at 2 h. After 5 cycles, the catalytic activity decreases slightly and the conversion is still up to 90%. Compared with CaO and other supported catalysts, CaO/KIT-6 catalyst exhibits higher catalytic performance and good reusability at lower methanol-to-oil molar ratio.
- biodiesel,
- calcium oxide,
- KIT-6,
- solid base catalyst,
- transesterification

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References(29)

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