This applies not only to older plants optimised lubrication can also make new, advanced facilities significantly more efficient. Siliconcontaining species in used lube oil rerefining doria. The rerefining of used lubricating oils nz institute of chemistry. Gasoline 40 190oc kerosine 190 260oc diesel 260 330oc lube oil 330 400oc under vacuum the very heavy components of the crude i. With increased time of uses, the lubricating loses its lubricating properties as a result of over reduction of desired. Pdf rerefining of used lube oil, i by solvent extraction and. Doc the rerefining of used lubricant oil fortune c. Rerefining is an energy efficient and environmentally beneficial method for managing used oil. If the used oil to be rerefined contains a quantity of water andor fuel fraction which the. This article studies one of the best methods of used oil rerefining and. Recycling used lubricants is not an altogether new idea. This article studies one of the best methods of used oil re refining and.
Used oil rerefining study to address energy policy act of 2005. A new parent branch is defined as a branch that, during any of the periods. Used lube oil used lube oil is defined as the petroleum derived or synthetic oil which remains after applications in lubrications, cutting purposes, etc. Pdf abstract used oil as its name implies is any petroleum based or synthetic oil.
Pdf the most important used oil recycling technology is the rerefining. Used lube oil is defined as the petroleum derived or synthetic oil which remains after applications in lubrications, cutting purposes, etc. Used lube oil is generally a mixture of different types and grades of used lube oils, coming from motor crankcases and industry users. Used lube oil is made up of a multitude of small individual batches collected at garages, maintenance shops, transportation companies and industries and depends on local situation. Due to the short turnaround required for this study, a new, detailed study was not. Rerefining of used lube oil is an economically attractive recycling method in terms of resources conservation and environment protection. The used crankcase lubricating oil collected was rerefined using the caustic treatment and vacuum distillation method to obtain a lube oil base stock. The lube oil base stock was subjected to physical and chemical analysis to determine its suitability for use as a base stock for formulation of a single grade sae 40. It allows processing of hazardous material in a safe and effective way to recover an high quality base oil product. Rerefining used oil restores the chemical composition of the base oil so that it can be used to produce new lubricant products over and over again. Stp present used lube oil rerefining 25 anniversary. Management and disposing of used lubricating oil ulo poses deleterious effects to air, land and water pollution. A new plant, based on the simplified mohawkevergreen process and constructed. Used oils, especially used lubricating oils which are normally considered waste and are discarded or.
Instead of burning the used oil, which releases harmful emission into the atmosphere, rerefining conserves the base oil. Rerefined lubricants have been produced in new zealand for. With these processes high quality base oil can be produced. An oil which will normally boil at 500oc will boil at 300oc under the very high vacuum used. Speciality lubricants for oil refineries and petrochemical plants pdf. Nowadays, the rerefining of the used lube oils has gained worldwide a lot of attention due to the. Rerefining of used lubricating oil lube oil motor oil or engine oil is an oil used for lubrication of various internal combustion engines. During normal use, impurities such as dirt, metal scrapings, water or chemicals can get mixed in with the oil or be generated in it due to thermal. Viscosity, specific gravity, etc dirt and metal parts from the surfaces are also deposited into the lubricating oils. After a certain period of useful life, the lubricating oil loses its properties and cannot be used as such in machinery. Indicate by check mark if the registrant is not required to file reports pursuant to.