Life cycle assessment for the production of palm biodiesel
2021
Chee, Liang Yung | Vijaya Subramaniam | Sumiani Yusoff
A gate-to-gate life cycle assessment (LCA) for the production of palm biodiesel was performed. The LCA study was conducted using SimaPro software version 8.5, and the impact assessment was performed according to ReCiPe 2016 methodology. A three-year (2015-2017) inventory data was obtained from five commercial palm biodiesel producers in Malaysia. Methanol, acids and sodium methoxide (catalyst) were identifed as three major contributors to the environmental impacts. Impact assessment showed that replacement of fossil based methanol with biomethanol produced from biogas is the most preferred option, saving up to 63% fossil resources and 22% reduction in global warming impact. Allocation based on economic value was found more suitable compared to mass or energy content. This is because both palm biodiesel and crude glycerol differ in terms of economic value and being used in diferent applications.
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