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Hasanudin, Hasanudin, Asri, Wan, Putri, Qodria, Fanani, Zainal, Bahrin, David, Agustina, Tuty, Wijaya, Karna. (1401). Montmorillonite-Zirconium Phosphate Catalysts for Methanol Dehydration. نشریه علمی پژوهشی دانشگاه آزاد اسلامی, 12(3), 389-397. doi: 10.30495/ijc.2022.1960655.1942
Hasanudin Hasanudin; Wan Ryan Asri; Qodria Utami Putri; Zainal Fanani; David Bahrin; Tuty Emilia Agustina; Karna Wijaya. "Montmorillonite-Zirconium Phosphate Catalysts for Methanol Dehydration". نشریه علمی پژوهشی دانشگاه آزاد اسلامی, 12, 3, 1401, 389-397. doi: 10.30495/ijc.2022.1960655.1942
Hasanudin, Hasanudin, Asri, Wan, Putri, Qodria, Fanani, Zainal, Bahrin, David, Agustina, Tuty, Wijaya, Karna. (1401). 'Montmorillonite-Zirconium Phosphate Catalysts for Methanol Dehydration', نشریه علمی پژوهشی دانشگاه آزاد اسلامی, 12(3), pp. 389-397. doi: 10.30495/ijc.2022.1960655.1942
Hasanudin, Hasanudin, Asri, Wan, Putri, Qodria, Fanani, Zainal, Bahrin, David, Agustina, Tuty, Wijaya, Karna. Montmorillonite-Zirconium Phosphate Catalysts for Methanol Dehydration. نشریه علمی پژوهشی دانشگاه آزاد اسلامی, 1401; 12(3): 389-397. doi: 10.30495/ijc.2022.1960655.1942

Montmorillonite-Zirconium Phosphate Catalysts for Methanol Dehydration

Iranian Journal of Catalysis
مقاله 10، دوره 12، شماره 3، آذر 2022، صفحه 389-397    اصل مقاله (970.32 K)
نوع مقاله: Articles
شناسه دیجیتال (DOI): 10.30495/ijc.2022.1960655.1942
نویسندگان
Hasanudin Hasanudin* 1، 2؛ Wan Ryan Asri1، 2؛ Qodria Utami Putri1، 2؛ Zainal Fanani1، 2؛ David Bahrin3؛ Tuty Emilia Agustina3؛ Karna Wijaya4
1Department of Chemistry, Faculty of Mathematics and Natural Science, Universitas Sriwijaya, Inderalaya 30662, South Sumatra, Indonesia
2Biofuel Research Group, Laboratory of Physical Chemistry, Faculty of Mathematics and Natural Science, Universitas Sriwijaya, Inderalaya 30662, South Sumatra, Indonesia
3Department of Chemical Engineering, Faculty of Engineering, Universitas Sriwijaya, Inderalaya 30662, South Sumatra, Indonesia
4Department of Chemistry, Faculty of Mathematics and Natural Science, Universitas Gadjah Mada, Yogyakarta 55281, Indonesia
چکیده
Modification of sodium montmorillonite was conducted using zirconium phosphate. The effect of a series of phosphate precursors such as dihydrogen phosphate, diammonium hydrogen phosphate, and sodium phosphate was observed. The catalyst was used in the conversion of methanol dimethyl ether using 1 g of catalyst at a temperature range of 150-350 ˚C with a Liquid Hourly Space Velocity (LHSV) monitored to 2.54 h−1 and N2 as carrier gas. The product was analyzed directly with a reactor system connected to gas chromatography. The X-ray diffraction (XRD), Scanning electron microscope-energy dispersive X-ray (SEM-EDX), N2 adsorption-desorption, and Temperature-programmed desorption of ammonia (NH3-TPD) were utilized to characterize the catalyst. The characterization showed that the modified sodium montmorillonite-zirconium phosphate was successfully synthesized. The study showed that modified montmorillonite using zirconium phosphate significantly increased the catalytic activity of sodium montmorillonite by providing medium and strong acid sites also increased the surface area. The modified sodium montmorillonite-zirconium phosphate from dihydrogen phosphate precursor exhibited the highest catalytic activity with the methanol conversion of 96.76%, dimethyl ether selectivity of 96.8%, and dimethyl ether yield of 93.67%, whereas the modified sodium montmorillonite-zirconium phosphate from diammonium hydrogen phosphate showed good stability towards methanol conversion.

تازه های تحقیق
  • Modified NaM using ZrP increased the catalytic activity towards methanol conversion
  • The surface area of NaM increased after being modified by ZrP, promoted catalytic activity
  • M-ZrP provided medium and strong acid catalytic active sites
  • M-ZrP1 exhibited the highest catalytic activity than other modified NaM catalyst
  • M-ZrP2 showed good stability toward methanol conversion
کلیدواژه‌ها
methanol conversion؛ dimethyl ether؛ montmorillonite؛ zirconium phosphate
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