Synthesis of impregnated Ni(0) zeolite ZSM-5 as catalyst for carboxylation reaction of acetylene with CO2

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Abstract

Conversion of carbon dioxide (CO2) into other compounds has become very advantageous because of the abundance in the atmosphere. However, carbon dioxide (CO2) is thermodynamically and kinetically stable so it needs low valence metal such as Ni(0) to be activated and react with other compounds. In this study, nickel metal-impregnated ZSM-5 was prepared as heterogeneous catalyst for carboxylation reaction of acetylene with carbon dioxide. Microporous and hierarchical ZSM-5 were synthesized using single template and double template, respectively. X-Ray Diffraction (XRD) characterization results show that ZSM-5 material with high crytallinity was successfully synthesized. Scanning Electron Microscopy (SEM) images show ZSM-5 has hexagonal coffin-like morphology. Brunauer-Emmett-Teller (BET) surface area analysis proves that the ZSM-5 has combination of micro and meso-sized pores (hierarchical pores). The elemental analysis using Atomic Absorption Spectroscopy (AAS) gives nickel content of 1.9 % in microporous ZSM-5 and 2.1 % in hierarchical ZSM-5. HPLC analysis show new peak is observed at retention time of 3.6 minutes for carboxylation reaction of acetylene (CO2: acetylene of 0.2:0.8) with optimum condition at 12 h and 80 °C when using microporous Ni/ZSM-5 or hierarchical counterpart as catalyst.

Original languageEnglish
Article number012014
JournalIOP Conference Series: Materials Science and Engineering
Volume763
Issue number1
DOIs
Publication statusPublished - 28 Apr 2020
Event3rd International Symposium on Current Progress in Functional Materials 2018, ISCPFM 2018 - Depok, Indonesia
Duration: 8 Aug 20189 Aug 2018

Keywords

  • acetylene
  • carboxylation
  • CO transformation
  • hierarchical Ni(0)/ZSM-5
  • microporous Ni(0)/ZSM-5

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