Rerefining used lube oil petroleum refining engineering. 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. An oil refinery is a prime unit where crude oil is transformed and refined into useful products like gasoline, heating oil, kerosene, asphalt base, liquefied petroleum gas. In general, how much do lube re refining plants pay for the dirty lube oil. This is done in a three step process, in which water, solids, li ghter oils, dissolved meta ls, degraded additives etc. Used industrial and automotive oil is recycled at re refineries. Rerefining of automotive engine waste oil is a relatively cheap process producing high yield and good quality lubricating oil base stock comparable to virgin lube oil base stock 4. Presently acidclay rerefining processes are insufficient to recover good base stock from used oil.
Nexlube embraces and actively contributes to a greener economy by recovering and rerefining used oil into highquality base oils and finished lubricants. The base oil of various flash and viscosity can be separated depending upon the distillation temperature, and condensation. Basically, there are four types of organizations involved in the used oil reclamation and re refining industry. Literature survey it is essential to recognize that, all used oils should be collected for controlled disposals. This result in a strong economic incentive for rerefining considering oil price. First, the used oil was heated to about 300of 149oc with stirring and treated with 1 % ww sodium hydroxide pellets to dehydrate, remove all fuel dilution and to neutralize all acids. Thermopac the true turnkey used oil rerefining plant. Instead of burning the used oil, which releases harmful emission into the atmosphere, rerefining conserves the base oil. Used oil re refining is the process of restoring used oil to new oil by removing chemical impurities, heavy metals and dirt. Used lube oil re refining plant for sale kingtiger group. In india, the general practice is to refine waste oil in a batch process. Rerefining of used lubricating oil lube oil motor oil or engine oil is an oil used for lubrication of various internal combustion engines.
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. Description of processes this topic includes all reference material that discuss the different chemical and physical processes used in the oil reclamation and re refining industry. Re refining is an energy efficient and environmentally beneficial method for managing used oil. Used oil rerefining plant,waste oil rerefining, short path. It allows processing of hazardous material in a safe and effective way to recover an high quality base oil product. Rgo has low water content and is essentially the gasoline and diesel which have been removed from the the product has approximately 1. Rerefining of the used oil is the most preferred way of handling used oil to protect the environment and conserve limited natural resources. Its produced in the early stages of the rerefining process as the feedstock is being stripped of impurities. Ability to pay a higher price for used lube oil is the only way to guarantee an ade quate supply of this material for re refining. Rerefining used lube oil sequoia global inc used oil. The used oil is first tested to determine suitability for re refining, after which it is dehydrated and the water distillate is treated before being.
Engine oil consumption and disposal 49 rerefining and re use of engine oil 51 benefits of lubricant additives 52 introduction 53 fuel compatibility 53 carbon dioxide co 2 reduction and fuel economy 55 durability and protection 58 lubrication engineering 60 references62. The input to unit 10 is used lubricating oil collected from different service stations were allowed to homogenize and settle in tanks so that free water and any settable suspended solids could be removed. Design of a batch process for rerefining of used lube oil using. Rerefining of used lubricating oil using indigenous forsterite ore as adsorbent article pdf available in international journal of scientific and engineering research 97. Many methods such as adsorption, dehydration, vacuum distillation, solvent extraction have been investigated for the rerefining of used oil. Based on the composite solvent process a batch plant was designed for a feed of 75 kg. Re refining of used lubricating oil the used oil drained from the crankcase of cars was re refined using the caustic treatmentdistillation process. Pending environmental regulations will help define some testing requirements and con taminant limitations. Indian company has developed technology for rerefining of used lubricating oil without acid refining and use of complicated equipments like thin film evaporator. Used lubricating oils rerefining by solvent extraction m. The european oil rerefining industry is comprised of 28 plants treating waste oil, which represent one. Technology for rerefining used lube oils applied in europe.
Preliminary data summary for the used oil reclamation and re. Stp present used lube oil rerefining 25 anniversary. Waste used oil recycling plant process re refining lube. In the lube oil industry, the term recycling is very different from rerefining. Design aspects of used lubricating oil re refining presents a feasible and comprehensive technology for recycling of used lubricating oils. Sequoias process technology for recycling used lubricating oils is based on distillation, adsorption and hydrotreating processes. A comparative study of recycling of used lubrication oils. If you continue browsing the site, you agree to the use of cookies on this website. A rerefiner should be able to charge for picking up waste oil. An industrial membrane system suitable for distributed. Responsible person in this handbook, the owner or op. He cited difficulties in controlling used oil supply and quality as part of the reason for dropping the project. Re refining of used lubricating oil project report on the re refining 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.
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. Waste lubricating oil treatment by extraction and adsorption. This is a surprising chris bryant is a regulatory analyst with statistic, since the. Once oil is used, it must be managed properly to keep it from contaminating the environment.
Technical and economic study of waste oil recovery. A comparison of waste lubricating oil treatment techniques. Considering the above points, the importance of the used oil rerefining processes for environmental preservation is approved. The wiped film evaporator is widely used world over for re refining of used lubricating oil. Lubricants account for approximately 1% of the annual demand for crude oil, and approximately 50% of lubricants are destined for the automotive industry. This study compares two different rerefining processes. 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 1gajanan r. One rerefining of used lubricating oil oil chemistry petroleum products are. Kingtiger used lube oil re refining plant has the most advanced process, it has been equipped with many advanced equipment to ensure the whole distillation process. It may be surprising to note that, under normal circumstances, lubricating oil cannot easily be destroyed.
Ppt presentation to investor lube crude oil re refining. The rerefining of used lubricating oils the lubricating oils used by vehicle engines ha ve to be replaced at least every 20 000 km. Various methods for recycling used lubricating oils were discovered including vacuum distillation of the used lubricating oil. Bachelderrecycling used engine oil by rerefining, california 2005 used oil hhw conference. Waste used oil recycling plant process re refining lube oil. 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. As the number of industries, vehicles, agricultural and industrial machinery is increasing day by day, the volume of used lubricating oil. The technology is particularly suitable for small and medium sized enterprises in developing countries and can be easily integrated with existing acid refining plants by simply. The dewatered oil is heated in a kettle under vacuum. Re refining of used motor oil marie maher december 18, 2011 submitted as coursework for ph240, stanford university, fall 2011 background. They may be recycled through the use of rerefining process to achieve useful products. Oil re refining is a common test for us, so by testing your used oil collections material we can confirm design and propose a solution for your processing needs. The processes of re refining used lubricating oil depends on the nature of base stock and the amount of impurities in the used lubricating oils ulos emam and shoaib 20.
Used oils are lubricating oils which have become unsuitable for their proposed use. Rerefining, used lube oil, adsorption, indigenous forsterite. Jan 29, 2017 used lubricating oil rerefining technologies reducing the environmental impact of petroleum productive chain published on january 29, 2017 january 29, 2017 362 likes 114 comments. Rerefining of used lubricating oil using indigenous.
Pdf design of a batch process for rerefining of used lube oil using composite solvent technique javier altamar academia. How do the rerefining plants treat their waste water. The most important used oil recycling technology is the re refining. Re refining is the term used to describe use of chemical process technology to extract the lubricating base oil from waste lubricants.
This result in a strong economic incentive for rerefining considering lube oil price. Re refining over the years several rerefining technologies have been proposed for waste oil recycling. Management and disposing of used lubricating oil ulo poses deleterious effects to air, land and water pollution. Used motor lubricating oil was stored for several days to allow large suspended particles to settle under gravity. Gaberah 1 1department of chemical engineering, alexandria university, alexandria, egypt 2department of used oil rerefining, alexandria petroleum company, alexandria, egypt email address. The most important used oil recycling technology is the rerefining. Design aspects of used lubricating oil rerefining elsevier. Slick new oil rerefining process by christopher bryant thirty years ago, more than 150 used oil rerefining plants existed in the united states. Also, all of the purification steps are mild and the natural lubricity and antioxidation characteristics of lube is not lost. Doc the rerefining of used lubricant oil fortune c. Used lubricating oil rerefining technologies reducing the. 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. Rerefining of used lubricant oil by solvent extraction using. Our company strives to protect our natural resources, provide our customers with the highest quality of products, help protect the environment by decreasing harmful emissions, and reduce the.
Reclaiming of used lubricating oil started as a simple technology of settling, centrifuging and heating around 1915 and has developed to more. Lca of a spent lube oil rerefining process sciencedirect. Rerefining of used lubricating oil the used oil drained from the crankcase of cars was rerefined using the caustic treatmentdistillation process. Rerefining applying a process to material composed primarily of used oil to produce highquality base stock for lubricants or other petroleum products. The oil is heated to oc in a closed vessel to boil off. Pdf rerefining of used lube oil, i by solvent extraction and. Factors that support re refining as a more sustainable option for used oil management include contributions to a local job creation, b regionalnational energy security, and c competition in the lubrication oil market by replacing foreign production increasingly with local production. Similarly, the future of rerefining is difficult to predict.
Used oil re refining plant lubricating motor oil, engine oil, hydraulic, gear box oil, turbine oil etc. Pdf rerefining of used lubricating oil using indigenous. In this european commission document the priority to rerefining. 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. Post jobs, find pros, and collaborate commissionfree in our professional marketplace. In relation to todays lubricating oils, modern rerefining technologies are. 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. The biggest european rerefineries with capacity greater than 40 000 tonsyear apply various technologies for recycling of used oils from different sources. It allows processing of hazardous material in a safe and effective way to recover an high quality oil product. Re refining waste engine oils is a better way while at the same time obtaining base oil as a valuable product. Lube oil keeps our cars, all types of heavy vehicles and many other machines running smoothly. 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. Viscosity, specific gravity, etc dirt and metal parts from the surfaces are also. When compared to the alternative of burning used oil and replacing it with base oil derived from virgin crude oil, rerefining used oil requires less energy and has less of an impact on the environment.
Generally, a good solvent should have the properties of good solubility for oil as. Filtering used oil to remove solids or drying used oil so it burns better is not recycling. With these processes high quality base oil can be produced. Oil refineries essentially serve as the second stage in the production process following the actual extraction of crude oil by rigs.
Pdf the most important used oil recycling technology is the rerefining. Today fewer than 10 such plants are still in operation. Re refining of egyptian local crankcase used lubricating oil by solvent. Solvent extraction parameters in rerefining of used lube. High vacuum distillation in common terms knows as re refining of used lube oil. The primary aim of this study was to recover base oil from used oil using solvent extraction followed by the adsorption method. 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.
To help you understand the difference, here are the definitions. 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. Pdf the aim of this project was to study the possibility of rerefining used lubricating oil generated in bagmati zone. Used oil rerefining industry report presented by bharat oil company india regd. Pdf study on rerefining of used lubricating oil in bagmati zone. How do the re refining plants treat their waste water. Rerefining is an energy efficient and environmentally beneficial method for managing used oil. Pdf rerefining of used lube oil, i by solvent extraction. Now here comes the role of used or waste oil recycling plant operator, the waste or used black oil are being reprocessed to recycling or rerefining process which involved the reclaim process by which we can separate heavy impurity and solubility which is mixed in lube oil with the recycling process we can rerefine waste oil into end product base oil sn 150, sn 300. Rerefining of used lube oil, ii by solventclay and acid. Used lubricating oils rerefining by solvent extraction. Disposal, treatment, solvent, adsorption, cracking.
An industrial membrane system suitable for distributed used oil rerefining desc0006185 dr. Key characteristics of sequoias technology for rerefining used lube oil. Note that true recycling or rerefining of used lube oil means the separation of the lube oil from everything else in the composition of the used lube oil which includes. Nowadays, the rerefining of the used lube oils has gained worldwide a lot of attention due to the necessity for added environmental protection and increasingly stringent environmental legislation. 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. Parts of kingtiger used lube oil re refining plant for sale. Engineered systems our engineering resources include all disciplines civil, mechanical, chemical and electrical enabling us to design turnkey systems. A laboratory scale setup of solvent extractionclay and acidclaypercolation processes were established to rerefine used oil collected from different.
Used oil rerefining study to address energy policy act of 2005. Re refining of the used oil is the most preferred way of handling used oil to protect the environment and conserve limited natural resources. 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. Many effective variables were examined within the solvent extraction method, including using different solvents, solvent used oil, temperature and speed of blending. One of the parameters determining the quality of the produced base oils is the composition of. Instead of burning the used oil, which releases harmful emission into the atmosphere, re refining.
Established in february 2010, nexlube operating llc nexlube is a privately held company specializing in the production of base oils and blended lubricants through rerefining of used waste oil. Used oil can be rerefined more than once thereby compounding the environmental and energy benefits. Siliconcontaining species in used lube oil rerefining. Me geoffreychemist and mike an accountant and frank a mechanical engineer are the three directors of brent technologies a company rerefining recycling used motor oil.
A project report on rerefining of used lube oil slideshare. The term rerefining is based on the fact the used oil is refined a second time after having been originally obtained when produced during a crude oil refining. Download this books into available format 2019 update. Re fining is the use of distilling or refining processes on used lubrication oil to produce high quality base stock for lubricants or other petroleum products. 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. In general, how much do lube rerefining plants pay for the dirty lube oil. With the development of national economy, the demanded quantity is increasing. 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. Feb 10, 2014 a project report on re refining of used lube oil 1. Re refining of automotive engine waste oil is a relatively cheap process producing high yield and good quality lubricating oil base stock comparable to virgin lube oil base stock 4. Rerefining vs recycling chemical engineering partners.
Rerefining of waste engine oil using ultrafiltration. Central composite design ccd was applied as the statistical method. Used waste oil re refining recycling plant arslan enginery. Rerefining waste engine oils is a better way while at the same time obtaining base oil as a valuable product. Build up of temperature degrade the lubricating oil, thus leading to reduction in properties such as. Base oil is the primary substance common in most all lubricants, transmission fluids and industrial process oils. Design of a batch process for rerefining of used lube oil. Effect of extraction and adsorption on rerefining of used. 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. But, during the last four decades, the used oil recycling market. C vacuum distillation this is the core process for lube oil rerefining.