black oil distill to make yellow oil oil refinery machine in lesotho

                                               
                                               
                                               
                                               
                                               
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  • Can waste oils be used as feedstock for recycling plants?
  • To avail adequate feedstock to recycling plants, waste oils have to be collected separately, where this is technically feasible; and waste oils are treated in accordance with waste hierarchy for protection of the environment and human health.
  • What is used oil reprocessing & reclamation?
  • The products of used oil reprocessing and reclamation are lubricating fluids with low quality requirements and heating and fuel oils, respectively, while re-refining of the used oil leads to production of valuable base oils with quality comparable with virgin base oils. The principle of rerefining waste oils utilizes the following four steps:
  • What is waste lubricating oil?
  • From above it follows that most waste lubricating oil handled is engine oil which would have gone through degradation and contaminated by metals, ash, carbon residue, water, varnish, gums, and other contaminating materials, in addition to asphaltic compounds which result from the bearing surface of the engines.
  • How to recycle engine oil?
  • The conventional methods of recycling of waste engine oil either requires a high cost technology such as vacuum distillation or the use of toxic materials such as sulfuric acid. These methods also produce contaminating by-products which have highly sulfur levels. Acid-clay has been used as a recycling method for used engine oil for a long time.
  • What is a group II base oil re-refining process?
  • Under more severe or solvent finishing conditions, Group II base oils could be obtained. The acid-clay re-refining process was the first regeneration process commercialized by many companies, where large amounts of sulphuric acid and clay were used to treat the waste oils.
  • What is used oil recycling technology?
  • Used oil recycling technology has undergone significant changes over the past decade. With the newly developed re-refining technologies it is possible to produce higher quality base oil compared with the traditional and old acid clay methods. Among other methods used...