Publication: Biomass-based sulfonic-functionalized carbon solid acid for esterification of acetic acid
Issued Date
2012-05-15
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ISSN
10226680
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2-s2.0-84860816312
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Mahidol University
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SCOPUS
Bibliographic Citation
Advanced Materials Research. Vol.506, (2012), 70-73
Suggested Citation
W. W. Mar, E. Somsook Biomass-based sulfonic-functionalized carbon solid acid for esterification of acetic acid. Advanced Materials Research. Vol.506, (2012), 70-73. doi:10.4028/www.scientific.net/AMR.506.70 Retrieved from: https://repository.li.mahidol.ac.th/handle/20.500.14594/14157
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Title
Biomass-based sulfonic-functionalized carbon solid acid for esterification of acetic acid
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Abstract
Sulfonic-functionalized carbon material derived from the incomplete carbonization of mungbean vermicelli was reported here as a catalyst for esterification of acetic acid. The catalyst with the highest activity (S BET = 18.1 m 2 /g and acid site density of 1.53 mmol H + /g cat ) was obtained by carbonization at 573 K and sulfonation at 373 K due to a feasible attachment of more - SO 3 H groups to flexible carbon sheets compared to the other synthesized solids. Approximate 64% yield of methyl acetate was achieved over (2:1) molar ratio of methanol to acetic acid with 3 wt% of catalyst. From the economic outlook, this environmentally benign C-SO 3 H catalyst could be a promising candidate for the esterification of high free fatty acid feedstocks reducing the production cost of biodiesel. © (2012) Trans Tech Publications.