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Dimethyl carbonate synthesis by transesterification of propylene carbonate with methanol: Comparative assessment of Ce-M (M=Co, Fe, Cu and Zn) catalysts

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  • Kumar, Praveen
  • Srivastava, Vimal Chandra
  • Mishra, Indra Mani

Abstract

In this work, Ce–M catalysts (M = Co, Fe, Cu and Zn) synthesized by sol-gel method and characterized by various techniques have been evaluated for the transesterification of propylene carbonate (PC) with methanol for dimethyl carbonate (DMC) synthesis in a batch reactor. The catalysts were characterized by various techniques such as X-ray diffraction (XRD), N2-sorption analysis, scanning electron microscope (SEM-EDX) etc. Total basicity of CeCo, CeCu, CeZn and CeFe catalysts were 0.083, 0.698, 0.424 and 0.492 mmol/g with crystalline sizes found to be 19.4, 18.8, 9.6 and 21.6 nm, respectively. Best performing catalyst CeCu was further used for optimization of operating conditions such as methanol/PC molar ratio, catalysts dose, reaction time, reaction temperature and kinetics study. The reaction rate constant values as obtained using non-linear regression analysis were found to be 0.285, 0.570 1.255 and 1.596 h−1 at 120, 140, 160 and 180 °C, respectively for the CeCu catalyst. Reusability of the catalyst was studied in terms of PC conversion and turn over frequency.

Suggested Citation

  • Kumar, Praveen & Srivastava, Vimal Chandra & Mishra, Indra Mani, 2016. "Dimethyl carbonate synthesis by transesterification of propylene carbonate with methanol: Comparative assessment of Ce-M (M=Co, Fe, Cu and Zn) catalysts," Renewable Energy, Elsevier, vol. 88(C), pages 457-464.
    • Handle: RePEc:eee:renene:v:88:y:2016:i:c:p:457-464
    DOI: 10.1016/j.renene.2015.11.052
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    Cited by:

    1. Kumar, Praveen & Matoh, Lev & Srivastava, Vimal Chandra & Štangar, Urška Lavrenčič, 2020. "Synthesis of zinc/ferrocyanide nano-composite catalysts having a high activity for transesterification reaction," Renewable Energy, Elsevier, vol. 148(C), pages 946-952.
    2. Niu, Shengli & Zhang, Xiangyu & Ning, Yilin & Zhang, Yujiao & Qu, Tongxin & Hu, Xun & Gong, Zhiqiang & Lu, Chunmei, 2020. "Dolomite incorporated with cerium to enhance the stability in catalyzing transesterification for biodiesel production," Renewable Energy, Elsevier, vol. 154(C), pages 107-116.
    3. Kumar, Navneet & Srivastava, Vimal Chandra, 2021. "Dimethyl carbonate production via transesterification reaction using nitrogen functionalized graphene oxide nanosheets," Renewable Energy, Elsevier, vol. 175(C), pages 1-13.

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