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Biodiesel production from waste shortening oil from instant noodle factories

Lookup NU author(s): Dr Hoang NguyenORCiD


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Waste shortening oil (WSO) from instant noodle factories was used for biodiesel production by transesterification using alkali as a catalyst in a laboratory scale. The effects of various parameters such as potassium hydroxide concentration, methanol/WSO molar ratio, temperature and reaction time on the biodiesel production were investigated. To determine the optimal operating condition for biodiesel production, potassium hydroxide concentration from 0.25 to 1.5 wt%, methanol/WSO molar ratio from 3:1 to 9:1, temperature from 35 to 65 °C and reaction time from 30 to 90 min were employed. The highest ester yield of biodiesel was obtained at the catalyst concentration of 1.0 wt% KOH, methanol/WSO molar ratio of 8:1, temperature of 55 °C, and reaction time of 60 min. Biodiesel obtained had many advantages such as high cetane number, low acid value and carbon residue and can be used as an alternative diesel without modifications to engine or injection system.

Publication metadata

Author(s): Nguyen HSH, Le VX, To HT

Publication type: Article

Publication status: Published

Journal: Journal of Material Cycles and Waste Management

Year: 2016

Volume: 18

Issue: 1

Pages: 93-101

Print publication date: 01/01/2016

Online publication date: 05/10/2014

Acceptance date: 25/09/2014

ISSN (print): 1438-4957

ISSN (electronic): 1611-8227

Publisher: Springer Japan


DOI: 10.1007/s10163-014-0315-1


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