Journal
INTERNATIONAL JOURNAL OF ENERGY RESEARCH
Volume 43, Issue 10, Pages 5438-5446Publisher
WILEY
DOI: 10.1002/er.4646
Keywords
catalyst characterization; eco-friendly biodiesel process; Heterogeneous catalyst; leaching
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Funding
- NCE in Physical Chemistry, University of Peshawar, Pakistan
- Universiti Teknologi PETRONAS, Malaysia
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The present work describes the synthesis of porous BaSnO3 by eco-friendly sol-gel method using albumin as a bio-template agent, and its application as a solid base catalyst in biodiesel production from waste cooking oil. The physico-chemical, textural, and morphological properties of the catalyst were evaluated by X-ray diffraction (XRD), Brunauer-Emmett-Teller (BET), field emission scanning electron microscopy (FESEM), and temperature programmed desorption (TPD)-CO2 techniques. The synthesized catalyst showed considerable stability, efficient catalytic activity, and negligible metal leaching. The satisfactory performance of the catalyst could be ascribed to the presence of basic sites of different strength on the surface of the catalyst. The catalyst produced maximum biodiesel yield of 96% at optimum reaction conditions of 90 degrees C reaction temperature, methanol to oil molar ratio of 10:1, catalyst dosage of 6 wt%, and reaction time of 2 hours. Moreover, the catalyst showed substantial reusability up to five reaction cycles without any considerable decrease in transesterification activity.
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