A magnetically separable catalyst for producing green diesel from renewable feedstock

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Canada is a leader in setting long-term and short-term targets for blending biofuels in transportation fuels. Biodiesel is biodegradable, non-toxic and can help reduce greenhouse gas emissions. Although biodiesel as a fuel has many desirable qualities, such as a good cetane number and lubricity, the amount of biodiesel that can be added to a petroleum diesel blend is often limited to 5% or less due to poor storage stability, marginal cold flow properties, excessive solvency and engine compatibility issues. Trans-esterification is currently the primary route for producing biofuels from vegetable oils. However, trans-esterificationbecomes very challenging when low quality oils are used as the feedstock due to the presence of undesirable components especially free fatty acids (FFAs) and water.