A notice on newly synthesized silica-induced boron trisulfonic acid catalyst towards biodiesel synthesis from refined soybean oil
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In the present investigation, silica-based boron trisulfonic acid was successfully synthesized via chlorosulfonation of boric acid at ambient conditions. Also, work was investigated to synthesize biodiesel fuel via transesterification of soybean oil over silica boron trisulfonic acid, as an efficient, recoverable, and recyclable solid-acid catalyst. The highest biodiesel yield observed was 94.53 %. Synthesized catalyst was fittingly characterized by FT-IR, NH3-TPD, BET, XRD, and SEM analysis, whereas synthesized biodiesel fuel was duly characterized by FT-IR, 1H NMR, and 13C NMR spectroscopic techniques.
KeywordsBoric acid Crude glycerol Green fuel Refined soybean oil Esterification Saponification
This work was financially supported by the Technical Education Quality Improvement Programme (TEQIP), Phase-II, S. V. National institute of Technology, Surat and Council of Scientific and Industrial Research (CSIR), New Delhi, India (Sanction Order Letter No. 02(0170)/13/EMR-II). For texture analysis of catalysts, we are very much thankful to the Department of Mechanical Engineering, S. V. National Institute of Technology, Surat, Gujarat, India.
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