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Re-refined oils are just fine for vehicles, as long as they are certified, and reusing something over and over again is always a good thing to do rather than wasting a valuable resource.
Using a simple and proven technology which adopts static distillation equipment rather than thin film evaporators (where low vacuum is required and fouling is the main concern), it’s possible to re-refine used motor oil, restoring it to “good as new” quality. Then it can be resold over and over again at about the same price as conventional motor oil.
So we can affirm that motor oil is a renewable resource.
Similarly, biodiesel production is also a renewable process. If we have 30 years’ experience in used mineral oils we have more than 70 years’ experience in vegetable oils. Biodiesel is a renewable alternative to petroleum-based diesel fuel. Biodiesel contains no petroleum, but it can be blended at any level with petrodiesel. Biodiesel can be made from any plant oil, animal oil, or even used cooking oil.
Biodiesel is produced by mixing the feedstock semi-refined oil (usually soybean oil), with methanol or a lye catalyst (sodium hydroxide). This process - known as transesterification - breaks the glycerin from the fatty acid molecules of the feedstock oil and then each fatty acid molecule attaches itself to an alcohol molecule. Biodiesel (the ester) will rise to the top and glycerin with alcohol will settle to the bottom. After several scrubbings with water, the biodiesel can be marketed as a fuel and the glycerin can be used as an ingredient for making soaps, detergents, shampoos, and cosmetics. Glycerin can be used as a coproduct.
Using biodiesel as a fuel: • Reduces nation’s dependency on foreign oil • Promotes rural and agricultural economic development
• Improves environmental quality and public health • Increases lubricity of conventional diesel fuel • Conserves our fossil fuels
EMAIL
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