Green production of biodiesel over waste borosilicate glass derived catalyst and the process up-gradation in pilot scale

Vinu Vadery, Sudha Kochiyil Cherikkallinmel, Resmi M. Ramakrishnan, Sankaran Sugunan and Binitha N. Narayanan

Renewable Energy, 2019, vol. 141, issue C, 1042-1053

Abstract: An efficient solid base catalyst derived from waste borosilicate glass, by its reaction with sodium hydroxide, is used here for the production of biodiesel from used cooking oil. The active phase of the catalyst is found to be Na2SiO3 and the material is highly effective in the production of fuel grade biodiesel till 4 numbers of repeated cycles. The catalyst is found to be tolerant to free fatty acid and water content in the oil feedstock. The procedure is up-graded in pilot scale with the aid of a set up made of polypropylene vessels where the formation of high pressure is avoided in the reactors by the continuous condensation of methanol, making the process a safer one. We report the use of a solid catalyst derived from waste materials in a pilot-scale biodiesel production unit for the first time, which has the potential to have an easy and cost-effective industrial scale up. The performance of the prepared biodiesel and its blends with petrodiesel in diesel engine is investigated and it is found that the biodiesel blend (B10) showed the best performance at all engine loads.

Keywords: Biodiesel; Pilot scale production; Greener catalyst; Engine performance; Exhaust emission analysis (search for similar items in EconPapers)
Date: 2019
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Citations: View citations in EconPapers (6)

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Persistent link: https://EconPapers.repec.org/RePEc:eee:renene:v:141:y:2019:i:c:p:1042-1053

DOI: 10.1016/j.renene.2019.04.053

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