Optimization of sodium loading on zeolite support for catalyzed transesterification of triolein with methanol

Yu Yuan Wang, Hsin Yu Chou, Bing-Hung Chen, Duu Jong Lee

Research output: Contribution to journalArticle

10 Citations (Scopus)

Abstract

Optimization of sodium loading on zeolite HY for catalyzed transesterification of triolein in excess methanol to biodiesel was studied. Zeolite HY catalyst was activated by loading sodium ions to their surface via an ion-exchange method. The effects of ion-exchange process parameters, including the temperature, the process time, the pH value, as well as concentrations and sources of Na+ cations (NaOH, NaCl and Na2SO4), on the conversion yield of triolein to biodiesel were investigated. Most of these Na+-activated zeolite HY catalysts could really facilitate the catalyzed transesterification reaction of triolein to biodiesel at a lower temperature near 65°C. Consequently, a high conversion yield of triglycerides to biodiesel at 97.3% was obtained at 65°C. Moreover, the durability of zeolite catalysts was examined as well. Catalytic performance tests of these zeolite catalysts in transesterification did not show a significant decrease in catalysis at least for three batch cycles.

Original languageEnglish
Pages (from-to)248-253
Number of pages6
JournalBioresource Technology
Volume145
DOIs
Publication statusPublished - 2013 Jan 1

Fingerprint

Triolein
Zeolites
Transesterification
Biodiesel
zeolite
Biofuels
Methanol
methanol
Sodium
sodium
Catalysts
catalyst
Ion exchange
ion exchange
Catalysis
catalysis
Durability
durability
Positive ions
Cations

All Science Journal Classification (ASJC) codes

  • Bioengineering
  • Environmental Engineering
  • Waste Management and Disposal

Cite this

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abstract = "Optimization of sodium loading on zeolite HY for catalyzed transesterification of triolein in excess methanol to biodiesel was studied. Zeolite HY catalyst was activated by loading sodium ions to their surface via an ion-exchange method. The effects of ion-exchange process parameters, including the temperature, the process time, the pH value, as well as concentrations and sources of Na+ cations (NaOH, NaCl and Na2SO4), on the conversion yield of triolein to biodiesel were investigated. Most of these Na+-activated zeolite HY catalysts could really facilitate the catalyzed transesterification reaction of triolein to biodiesel at a lower temperature near 65°C. Consequently, a high conversion yield of triglycerides to biodiesel at 97.3{\%} was obtained at 65°C. Moreover, the durability of zeolite catalysts was examined as well. Catalytic performance tests of these zeolite catalysts in transesterification did not show a significant decrease in catalysis at least for three batch cycles.",
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Optimization of sodium loading on zeolite support for catalyzed transesterification of triolein with methanol. / Wang, Yu Yuan; Chou, Hsin Yu; Chen, Bing-Hung; Lee, Duu Jong.

In: Bioresource Technology, Vol. 145, 01.01.2013, p. 248-253.

Research output: Contribution to journalArticle

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AB - Optimization of sodium loading on zeolite HY for catalyzed transesterification of triolein in excess methanol to biodiesel was studied. Zeolite HY catalyst was activated by loading sodium ions to their surface via an ion-exchange method. The effects of ion-exchange process parameters, including the temperature, the process time, the pH value, as well as concentrations and sources of Na+ cations (NaOH, NaCl and Na2SO4), on the conversion yield of triolein to biodiesel were investigated. Most of these Na+-activated zeolite HY catalysts could really facilitate the catalyzed transesterification reaction of triolein to biodiesel at a lower temperature near 65°C. Consequently, a high conversion yield of triglycerides to biodiesel at 97.3% was obtained at 65°C. Moreover, the durability of zeolite catalysts was examined as well. Catalytic performance tests of these zeolite catalysts in transesterification did not show a significant decrease in catalysis at least for three batch cycles.

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