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The production of biodiesel from vegetable oil has been around for more than 150 years, and the approach significantly reduces several pollutants associated with burning fossil fuels. Vegetable oils, however, can be notoriously difficult to use in an engine, providing low power output and release of unique toxic byproducts.
Brazilian researchers demonstrated a new chemical approach for producing biodiesel from domestic cooking oil waste by using hydroxide lithium mixed with either sodium hydroxides or potassium hydroxides as catalysts. Their work, published in the Journal of Renewable and Sustainable Energy, could enable future studies related to the use of lithium from waste lithium ion batteries.Link to article: Eco-green biodiesel production from domestic waste cooking oil by transesterification using LiOH into basic catalysts mixtures