Partial Oxidation of Methane over NiOx/Hierachichal ZSM-5 Catalyst

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Abstract

Methane is a primary component of natural gas that is considered a greenhouse gas. In this study, methane will be catalytically oxidized to methanol and its derivatives using hierarchical ZSM-5. The products are potential to be used as fine chemicals and additives in gasoline. The catalyst ZSM-5 (Si/Al = 35) was successfully synthesized by a double template method in which TPAOH is used as the MFI structure directing agent and PDDA-M is used as the secondary template. The as-synthesized hierarchical ZSM-5 was modified with metal oxide (M = Ni). Analysis with XRD indicates that ZSM-5 crystals have been formed with high crystallinity. SEM images showed hexagonal shape which is the characteristic of ZSM-5 crystals. Analysis with SAA indicated the presence of meso-sized pores by the presence of hysteresis loops. Surface area and pore volume have decreased after impregnation of Ni. Elemental analysis showed 2.73% nickel was loaded in the ZSM-5 framework. The catalytic reaction was carried out in batch reactor for 120 min. Two condition of gas feed was compared: CH4: N2 (without Oxygen) and CH4: N2-O2 (with oxygen) with identical pressure ratio 0.75: 2 bar. Analysis by GC-FID showed that the catalytic activity of catalyst ZSM-5 with oxygen increase the methanol production.

Original languageEnglish
Article number012005
JournalJournal of Physics: Conference Series
Volume1095
Issue number1
DOIs
Publication statusPublished - 10 Oct 2018
Event6th International Conference of the Indonesian Chemical Society, ICIC 2017 - Palembang, South Sumatra, Indonesia
Duration: 17 Oct 201718 Oct 2017

Keywords

  • ZSM-5 hierarchy
  • double template method
  • methane,methanol
  • partial oxidation

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