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The world's energy consumption is estimated to be 3.36 × 1020 J per annum and is projected to increase to up to 6.3 × 1020 J in the year 2050. Due to the concern on environmental problems caused by the use of those fossil fuels, considerable attention has been given to biodiesel production as an alternative to petrodiesel. Biodiesel is advised for use as an alternative fuel for conventional petroleum-based...
High consumption of chicken in Indonesia leads to a considerable amount of chicken skin as a waste. The utilization of this chicken skins as possible biodiesel feedstock was therefore investigated. The transestrification between this chicken fats and methanol was conducted using calcium oxide as solid catalyst. The variables affecting the yield of biodiesel during transesterification, such molar ratio...
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