At present, there are many processes for treating waste lubricating oil. The traditional sulfuric acid-white clay refining process is simple in method and low in cost, but consumes a large amount of sulfuric acid and white clay, and the generated waste residue will cause secondary pollution to the environment; distillation-hydrogenation process And short-distance distillation technology

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The hydrofining process was first applied to the processing of natural lubricating oils, and the products obtained were excellent in performance and rich in variety. In recent years, it has also been widely used in the regeneration of waste lubricating oil. Since waste lubricating oil contains solid impurities such as water, metal scraps and asphaltenes,

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Affected by environmental protection policies, the waste mineral oil industry has received much attention from environmental protection industry in recent years. Many of them are capitalists. According to Purepathtech.com, some investors have completed preliminary market research and want to enter the industry and try high and low levels. . As waste mineral oil is a

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