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Yes. The re-refinement process includes dehydration to remove moisture, filtering to remove fuel, dirt, etc. Once cleaned up the used oil enters the final phase, hydrotreating, just as the new oils do.

An example of a recycled/re-refined oil is Valvoline NextGen which contains 50% recycled oil.

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13y ago

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How used motor oils are cleaned?

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How can you clean used motor oil?

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What is the prefix of refined?

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How do you Convert motor oil to diesel fuel?

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