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Zoe Clark——Studied at the University of Melbourne, Lives in Melbourne, Australia.
The Three Stages of Refining. Crude oil needs to be processed before it can be used (See Close-Up: "Why Crude Oil Needs to be Refined"). Three major types of operation are performed to refine the oil into finished products:
separation,
conversion and treating.Jan 6, 2015
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About “separation、conversion、separation”,people ask:
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