Synthesis of mesoporous MgO catalyst templated by a PDMS-PEO comb-like copolymer for biodiesel production

Harim Jeon, Dong Jun Kim, Sang Jin Kim, Jong Hak Kim

Research output: Contribution to journalArticle

31 Citations (Scopus)

Abstract

Mesoporous MgO catalyst was synthesized from Mg(NO3)2 via a sol-gel process by templating an amphiphilic comb-like copolymer, poly(dimethylsiloxane-ethylene oxide) (PDMS-PEO). The copolymer morphology was worm-like and microphase-separated in a good solvent but micellar in a selective solvent, such as toluene and water. By templating micelles of PDMS-PEO copolymer, mesoporous MgO with a high surface area was generated after calcination at 500 C, as confirmed by thermogravimetric analysis (TGA), X-ray diffraction (XRD), scanning electron microscopy (SEM), transmission electron microscopy (TEM) and nitrogen adsorption/desorption measurements. Mesoporous MgO was used as a heterogeneous solid catalyst to produce biodiesel from canola oil. PDMS-PEO templated MgO (t-MgO) converted biodiesel more efficiently (~ 98.2% methyl ester content) than non-templated MgO (nt-MgO, 82.8%). The number and strength of basic sites of MgO catalyst were also investigated using CO 2-temperature-programmed desorption (CO2-TPD) analysis.

Original languageEnglish
Pages (from-to)325-331
Number of pages7
JournalFuel Processing Technology
Volume116
DOIs
Publication statusPublished - 2013 Sep 3

Fingerprint

Biofuels
Biodiesel
Polyethylene oxides
Copolymers
Catalysts
Ethylene Oxide
Toluene
Micelles
Polydimethylsiloxane
Carbon Monoxide
Temperature programmed desorption
Calcination
Sol-gel process
Thermogravimetric analysis
Desorption
Esters
Ethylene
Nitrogen
Transmission electron microscopy
Adsorption

All Science Journal Classification (ASJC) codes

  • Chemical Engineering(all)
  • Fuel Technology
  • Energy Engineering and Power Technology

Cite this

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abstract = "Mesoporous MgO catalyst was synthesized from Mg(NO3)2 via a sol-gel process by templating an amphiphilic comb-like copolymer, poly(dimethylsiloxane-ethylene oxide) (PDMS-PEO). The copolymer morphology was worm-like and microphase-separated in a good solvent but micellar in a selective solvent, such as toluene and water. By templating micelles of PDMS-PEO copolymer, mesoporous MgO with a high surface area was generated after calcination at 500 C, as confirmed by thermogravimetric analysis (TGA), X-ray diffraction (XRD), scanning electron microscopy (SEM), transmission electron microscopy (TEM) and nitrogen adsorption/desorption measurements. Mesoporous MgO was used as a heterogeneous solid catalyst to produce biodiesel from canola oil. PDMS-PEO templated MgO (t-MgO) converted biodiesel more efficiently (~ 98.2{\%} methyl ester content) than non-templated MgO (nt-MgO, 82.8{\%}). The number and strength of basic sites of MgO catalyst were also investigated using CO 2-temperature-programmed desorption (CO2-TPD) analysis.",
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Synthesis of mesoporous MgO catalyst templated by a PDMS-PEO comb-like copolymer for biodiesel production. / Jeon, Harim; Kim, Dong Jun; Kim, Sang Jin; Kim, Jong Hak.

In: Fuel Processing Technology, Vol. 116, 03.09.2013, p. 325-331.

Research output: Contribution to journalArticle

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