Rerefining used oil into a reusable product can prevent damage to land, air, water, and health. Engineered systems our engineering resources include all disciplines civil, mechanical, chemical and electrical enabling us to design turnkey systems. The rerefining of egyptian local crankcase used oil was investigated. They may be recycled through the use of rerefining process to achieve useful products. Nov 25, 20 used lube oil used lube oil is defined as the petroleum derived or synthetic oil which remains after applications in lubrications, cutting purposes, etc. As the number of industries, vehicles, agricultural and industrial machinery is increasing day by day, the volume of used lubricating oil has also increased. Re refined lube oil is environmentally friendly and can be re refined many times over for maximum savings. Used lube oil re refining 2 liters of used lube oil 1,5 liters of rerefined oil give used lube oil is generally a mixture of different types and grades of used lube oils, coming from motor crankcases and industry users. Once oil is used, it must be managed properly to keep it from contaminating the environment.
An oil which will normally boil at 500oc will boil at 300oc under the very high vacuum used. A laboratory scale setup of solvent extractionclay and acidclaypercolation processes were established to re refine used oil collected from different sources. This result in a strong economic incentive for rerefining considering oil price. This indicates the brightness and clarity of petroleum products. Abstract small amount pure lubricating oil can pollute major amounts of water eg. Used lube oil re refining or waste oil recycling is very safe for our environment, as it prevents the spillage of used oil all over the planet. However, the economics of re refining are still dic tated by the price paid for used oil to be burned as a fuel and the price of virgin lube oil basestocks. The magnussonmoss warranty act also states that manufacturers cannot void warranties if the re refined oil meets the manufacturer recommendations. Experimental process of re refining used lubricating oil straight or branched paraffinic synthetic oil by vacuum distillation and extraction through additives. Similarly, the future of rerefining is difficult to predict. Disposal, treatment, solvent, adsorption, cracking. Key characteristics of sequoias technology for rerefining used lube oil sequoias process technology for recycling used lubricating oils is based on distillation, adsorption and hydrotreating processes. Pdf the most important used oil recycling technology is the rerefining.
Design aspects of used lubricating oil rerefining presents a feasible and comprehensive technology for recycling of used lubricating oils. Re refining is an energy efficient and environmentally beneficial method for managing used oil. This study compares two different re refining processes. Filtering used oil to remove solids or drying used oil so it burns better is not recycling. The processes of rerefining of used oil depend greatly on the nature of the oil base stock and on the nature and amount of contaminants in the lubricant resulting from operations. Pending environmental regulations will help define some testing requirements and con taminant limitations. Used lube oil used lube oil is defined as the petroleum derived or synthetic oil which remains after applications in lubrications, cutting purposes, etc. Re refining is the term used to describe use of chemical process technology to extract the lubricating base oil from waste lubricants. The processes of rerefining of used lubricating oils depend greatly on the nature of the oil base stock and on the nature and amount of contaminants in the lubricant resulting from operations. Lube demand used oil generated million tons about 10.
Comparison of various solvents various solvents were used for rerefining of used lube oils, however each solvent had its own set of advantages and limitations. Rerefining is the term used to describe use of chemical process technology to extract the lubricating base oil from waste lubricants. Similarly, the future of re refining is difficult to predict. Experimental process of re refining used lubricating oil straight or.
Pdf design of a batch process for rerefining of used lube. Process for rerefining used lubrication oil by contacting the used lube oil in a first extraction zone with a light hydrocarbon solvent, for example, propane, yielding a first extract and raffinate. Cyclo oil company has come out with a solution to protect the sensitive ecology for uae by setting up a refinery to re process such used lube oils generated in the country. The used oil is cleansed of its contaminants, such as dirt, water, fuel, and used additives through dehydrationvacuum distillation and deasphalting. It allows processing of hazardous material in a safe and effective way to recover a high quality base oil product. However, the economics of rerefining are still dic tated by the price paid for used oil to be burned as a fuel and the price of virgin lube oil basestocks. In the rerefining of used lubricating oils, the used lube oil charge can be considered as comprising four general types of material. Considering the above points, the importance of the used oil rerefining processes for environmental preservation is approved. Rerefining of used lubricating oil project report on the rerefining of used lubricant oil submitted to the university of pune, pune in partial fulfilment of the requirements for the award of the degree of bachelor of engineering chemical 1 gajanan r. Lighter oils boil off first and are removed, followed by the lubricating oil itself. Global used oil markets and rerefining industry global used oil markets and rerefining industry on the cusp of growth. Recycling used lubricating oil using untreated, activated and.
Design aspects of used lubricating oil rerefining 1st. Rerefining and recycling of used lubricating oil developments in. This work presents a design of a batch process for rerefining of used lubricating oils using a composite solvent technique. The rerefining option requires a reputable recycling company to ensure the marketability of. The term recycling used oil generally means to take used motor oil and use it for a different purpose, most commonly to be burnt as fuel. Generally, this pda process is not used in india, as it is felt that distillation alone is sufficient. Feb 10, 2014 re refining of used lubricating oil used lube oil used lube oil is defined as the petroleum derived or synthetic oil which remains after applications in lubrications, cutting purposes, etc after a certain period of useful life, the lubricating oil loses its properties and cannot be used as such in machinery. The next generation in rerefining and green technology. Using the waste engine oil as a raw material in producing base oil is only requires less than 10 %volume compared to crude oil and only needs onethird of energy consumption. This oil used to be dumped, but now most of it is rerefined and reused. Rerefining vs recycling chemical engineering partners. The contaminants are introduced either from the surrounding air.
Gasoline 40 190oc kerosine 190 260oc diesel 260 330oc lube oil 330 400oc under vacuum the very heavy components of the crude i. An industrial membrane system suitable for distributed used oil re refining desc0006185 dr. This work presents a design of a batch process for re refining of used lubricating oils using a composite solvent technique. Literature survey it is essential to recognize that, all used oils. Key characteristics of sequoias technology for rerefining used lube oil. Sequoias process technology for recycling used lubricating oils is based on distillation, adsorption and hydrotreating processes. A comparison of waste lubricating oil treatment techniques. The first raffinate is then solventextracted, using the same solvent to produce a second extract and. Creates jobs reduces the amount of imported lubricant oil requires a welldeveloped collection system. Rerefining used lube oil sequoia global inc used oil. Chemical engineering partners is a process technology and licensing company offering a range of products and services for rerefining of wasteused lubricating oils.
Viscosity, specific gravity, etc dirt and metal parts from the surfaces are also. Comparison of various solvents various solvents were used for re refining of used lube oils, however each solvent had its own set of advantages and limitations. Used lube oil rerefining 2 liters of used lube oil 1,5 liters of rerefined oil give used lube oil is generally a mixture of different types and grades of used lube oils, coming from motor crankcases and industry users. The wiped film evaporator is widely used world over for rerefining of used lubricating oil. Pdf rerefining of used lube oil, i by solvent extraction and. A project report on rerefining of used lube oil slideshare. The composite solvent includes 1butanol, 2propanol and methyl ethyl ketone in the ratio of 2. Many methods such as adsorption, dehydration, vacuum distillation, solvent extraction have been investigated for the re refining of used oil. Lubricants account for approximately 1% of the annual demand for crude oil, and approximately 50% of lubricants are destined for the automotive industry. In india, the general practice is to refine waste oil in a batch process. Reprocessing and rerefining involve operations which will separate and remove contaminants in used oil so that this oil becomes suitable for reuse.
An industrial membrane system suitable for distributed used oil rerefining desc0006185 dr. Mercedes benz has been using re refined oil to fill new cars at their factories for years. Many methods such as adsorption, dehydration, vacuum distillation, solvent extraction have been investigated for the rerefining of used oil. We build skid mounted, continuous and fully automated waste free re refining plants. Firas awaja, dumitru pavel, in design aspects of used lubricating oil rerefining, 2006. The european oil rerefining industry is comprised of 28 plants treating waste oil, which represent one.
Rerefining of used lube oil, i by solvent extraction and vacuum distillation followed by hydrotreating article pdf available in petroleum and coal 553. The amount of crude oil required to produce a certain volume of lubricating oil is nearly 9 times higher to produce the same volume of lubricating oil from used oil 8. Refining is the use of distilling or refining processes on used lubrication oil to produce high quality base stock for lubricants or other petroleum products. Generally, a good solvent should have the properties of good solubility for oil as. This book discusses efficient and effective ways of reusing lubricating oil which, if implemented, will result in a better quality of life, the stability of the environment, the health of national economies and better relationships between nations. Rerefining of waste engine oil using ultrafiltration. Step 4 hydrofinishing, using hydrogen to remove sulfur and chlorine compounds, purifies. The term recycling used oil generally means to take used motor oil and use it. About 60 to 80% of base lubricating oil stock can be produced from a ton of used lubricating oil compared to 20% yield from the same quantity of virgin crude oil 4. Used engine oil itself contains a number of additives and is contaminated by impurities and residues resulting from the combustion process. Abstract the european oil rerefining industry is comprised of 28 plants treating waste oil, which represent one. Rerefining, used lube oil, adsorption, indigenous forsterite. Rerefining of the used oil is the most preferred way of handling used oil to protect the environment and conserve limited natural resources. The wiped film evaporator is widely used world over for re refining of used lubricating oil.
The use of this method has increased tremendously in developed countries, some countries reaching up to 50% of the countrys need for lubricating oil 7. An industrial membrane system suitable for distributed used. The results of the appearance table 1 of the fresh lube oil, used lube oil. Thermopac is the only company in the world to engineer, procure and construct the entire re refinery or treatment of used lube oil on true turnkey basis. Rerefining of used lube oil, ii by solventclay and acid. Used oils are lubricating oils which have become unsuitable for their proposed use. Generally, a good solvent should have the properties of good solubility for oil as well as it should be a good flocculating agent. Issue licenses to new technology units immediately 2. Re refining, used lube oil, adsorption, indigenous forsterite.
To help you understand the difference, here are the definitions. Recycling used lubricating oil using untreated, activated. The rerefining of used lubricating oils nz institute of chemistry. For current market pricing and to discuss your oil specification requirements, please call. Effect of recycling of waste used lube oil on its specific gravity appearance. Contaminants removed in this process will be part of waste streams which must be disposed of in an environmentally sound way. People believe motor oil is useless and when they extract the used motor oil from the engines, they pour it anywhere, which is hazardous to the environment. Re refining of used motor oil marie maher december 18, 2011 submitted as coursework for ph240, stanford university, fall 2011 background. Thermopac the true turnkey used oil rerefining plant. Waste used oil recycling plant process re refining lube.
Technology for rerefining used lube oils applied in europe. The rerefining processes of the used lubricating oil in egypt did not involve pretreatment steps before dehydration, while international studies show complete processes that involve pretreatment, solvent extraction or other techniques followed with finishing steps such as clay. Lubricating oil are viscous liquids used for lubricating moving parts of engines and machines. Rerefining of used lubricating oil using indigenous. Used engine oil itself contains a number of additives and is contaminated by impurities and residues resulting from the combustionprocess. A comparative study of recycling of used lubrication oils. At least 600 tons of lubricating base oil can be recovered from each tons of used oil, whereas 6000 tons of crude oil is required to produce this amount of lubricating base oil. The biggest european rerefineries with capacity greater than 40 000 tonsyear apply various technologies for recycling of used oils from different sources. Other heavier components do not boil in the conditions used. Used oil rerefining industry report presented by bharat oil company india regd. The solvent is removed from the first extract to recover desired lubrication stock base.
Reprocessing and re refining involve operations which will separate and remove contaminants in used oil so that this oil becomes suitable for reuse. Waste used oil recycling plant process re refining lube oil. In the lube oil industry, the term recycling is very different from rerefining. Chemical engineering partners is a process technology and licensing company offering a range of products and services for re refining of waste used lubricating oils. With these processes high quality base oil can be produced. Summary used lubricating oil would generally contain the following impurities. Used motor oils are rerefined into base lube stocks for blending of various lubricating oils. Used lube oil rerefining or waste oil recycling is very safe for our environment, as it prevents the spillage of used oil all over the planet. Rerefining of used lube oil is an economically attractive recycling method in terms of resources conservation and environment protection. Design of a batch process for rerefining of used lube oil.
Build up of temperature degrade the lubricating oil, thus leading to reduction in properties such as. Stp present used lube oil rerefining 25 anniversary. Literature survey it is essential to recognize that, all used oils should be collected for controlled disposals. The base oil is then hydro finished to remove any remaining unwanted pollutants. This study compares two different rerefining processes. Design aspects of used lubricating oil rerefining 1st edition. Using the waste engine oil as a raw material in producing base oil is only requires less than 10 %volume compared to crude oil 7 and only needs onethird of energy consumption 8. Used waste oil re refining recycling plant arslan enginery. Legislation 18 used oil regeneration technologies 21 classification of. A laboratory scale setup of solvent extractionclay and acidclaypercolation processes were established to rerefine used oil collected from different sources. Lube oil keeps our cars, all types of heavy vehicles and many other machines running smoothly. An industrial membrane system suitable for distributed.
Rerefining of used lubricating oil lube oil motor oil or engine oil is an oil used for lubrication of various internal combustion engines. Re refining 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. Pdf rerefining of used lube oil, i by solvent extraction. Rerefined base oil is the end product of recycling used oil for reuse in automobiles and industrial applications. Commercialized technologies for rerefining used lubricating oil. It allows processing of hazardous material in a safe and effective way to recover an high quality oil product. Used lube oil is made up of a multitude of small individual batches collected at garages.
Rerefining waste engine oils is a better way while at the same time obtaining base oil as a valuable product. Design aspects of used lubricating oil re refining presents a feasible and comprehensive technology for recycling of used lubricating oils. The re refining processes of the used lubricating oil in egypt did not involve pretreatment steps before dehydration, while international studies show complete processes that involve pretreatment, solvent extraction or other techniques followed with finishing steps such as clay. Fresh 011 used oil untreated clay method clay actvat1on method calcined clay method fig.
1433 1218 1147 199 1248 234 1048 569 1674 572 1289 928 40 828 1078 1500 993 654 509 915 411 218 1060 78 1196 574 1464 132 121 641 1083 556 625 214 33 558 133 141 1381 130 845 905 14 272 1230 494