A review on the biodiesel production: Selection of catalyst, Pre-treatment, Post treatment methods

As the world grapples with the urgent need for sustainable energy sources, biodiesel production from waste cooking oil (WCO) has emerged as a promising solution. This paper delves into the comprehensive journey of biodiesel synthesis, from feedstock selection and pretreatment to catalysis, post-treatment, and its effects on diesel engines. The role of catalysts, including the exploration of nanoscale catalysts and enzymatic approaches, is scrutinized for efficiency and cost-effectiveness. Biodiesel’s character is revealed through rigorous characterization techniques, shedding light on properties crucial for engine performance. Additionally, the paper investigates the production of oxygenated fuel additives from by-products like glycerol and their impact on combustion and emissions. In conclusion, biodiesel, particularly when derived from WCO, emerges as a compelling alternative to conventional diesel, with the potential to reshape the future of sustainable transportation fuels and mitigate environmental challenges.