Citation: Xin Han HUANG, Xian Gui YANG, Jia Qi ZHANG, Zhao Tie LIU. Study of Catalysts on the Synthesis of Methyl Acrylate by Hydroesterification of Methyl Formate with Acetylene[J]. Chinese Chemical Letters, ;2000, 11(6): 521-524.
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The catalytic hydroesterification of methyl formate (MF) with acetylene to methyl acrylate (MA) over nickel-based catalysts prepared by impregnation has been comprehensively studied in a fixed bed reactor at 160~240℃ and under 4~6MPa, GHSV:630h-1, CO:N2:C2H2=65:28:7. In present work, we have found a catalyst of 11wt%NiO/Al2O3 (80~100 mesh) prepared by wet impregnation with NiCl2 aqueous solution, then calcined in air at 500℃ for 5 h. The selectivity to methyl acrylate and the conversion of methyl formate over 11wt%NiO/Al2O3 catalyst are higher than other catalysts studied in this paper. The optimum reaction temperature for the hydroesterification of methyl formate with acetylene to methyl acrylate is around 220℃.
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Keywords:
- Ni-based catalyst,
- methyl formate,
- methyl acrylate,
- acetylene
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