A large number of waste oil and sludge were generated during mining and processing. Untreated Sludge directly discharged into environment will lead to critical human health harm and serious environment pollution. As one of the petrochemical process major pollutants, treatment of oil sludge processing, at home and abroad, has been trying to study. Summary of development status and prospect research of oil sludge treatment technology, combining characteristics of the oily sludge, in domestic and foreign were made in this article.
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