The re refining of used lubricating oils the lubricating oils used by vehicle engines ha ve to be replaced at least every 20 000 km. However, not all used oil is disposed of appropriately. Recycling of used engine oil by different solvent sciencedirect. Design aspects of used lubricating oil rerefining, awaja. Us3346483a refining used lubricating oils with sulfuric. A comparison of waste lubricating oil treatment techniques. Used oil re refining download ebook pdf, epub, tuebl, mobi. Design aspects of used lubricating oil rerefining presents a feasible and comprehensive technology for recycling of used lubricating oils. Rerefining and energy recovery pdf, epub, docx and torrent then this site is not for you. Pdf recycling of used engine oil by different solvent researchgate.
Oil 101 introduction to refining downstream oil and gas. In many cases, refining process is not economically viable. Used waste oil re refining recycling plant arslan enginery. Goyum dehydration column have the agitation system inside the column which ensures proper contact of oil with the heating surface and also avoid the cracking and fouling of the used lube oil. Vacuum distillation and hydrogenation are two other methods that can be used for recycling used engine oil 16.
Once it is refined and used in our vehicles only to be discarded 3,000 miles later, it is still in a form that will keep for many years. A comparative study of recycling of used engine oil using. Waste engine oils presents a complete description of the field of engine used oils, widely collected in the networks of servicesstations and garages. Used engine oil typically includes gasoline and diesel engine crankcase oils and pistonengine oils for automobiles, trucks, boats, airplanes, locomotives and heavy equipment used transmission or industrial hydraulic fluid. Refining used lubricating oils describes the properties of used lubricating oils and presents ways these materials can be rerefined and converted into useful lubricants as. Cyclo oil company has come out with a solution to protect the sensitive ecology for uae by setting up a refinery to re. Rerefining over the years several rerefining technologies have been proposed for waste oil recycling. The temperature is limited by the vapor pressure of the crudeoil feedstock. Refiningreuse of used engine oil required series steps such as filtering and demineralization, propane deasphalting, distillation, etc. Thus, the chemical composition of a crude oil and its various boiling range fractions influence refinery investment requirements and. Stp has implemented several rerefining plants worldwide and is providing the last generation rerefining process based on unicum knowhow. High rvp improves engine starting but also increases losses low rvp prevents vapor lock.
More than 95% of hazardous heavy metals, ash and carbon residue contents in the waste lube oils were eliminated to vacuum residues and these residues were. Used waste oil rerefining as we all know that after a time period the lube oil in our car or motor bike became black and lose their chemical property like specific gravity, viscosity and lubrication because of having continuous friction and high temperature in engine, the collected used lube oil goes to collection centre and. Certain series of specific treatment is available which is necessary for. Petroleum refinery activities start with receipt of. The chemical composition of used mineralbased crankcase oil varies widely and depends on the original crude oil, the processes used during refining, the efficiency and type of engine the oil is lubricating, the gasoline combustion products, the additives added to. Recycling of waste engine oils using a new washing agent core. However, it must be rerefined mainly due to the accumulation of physical and chemical contaminants in the oil during service. It is clear that the density of the used oil is higher than that for the treated oils. Rvp is high in winter compared to summer so that more vapors are available for quick engine startup. Viscosity, specific gravity, etc dirt and metal parts from the surfaces are also. This oil used to be dumped, but now most of it is rerefined and reused. Us9938471b2 process for refining used lubricating oil. Petroleum refining and the prod uction of ulsg and ulsd october 24, 2011 page 5 3.
Some of these processes include redistilling or rerefining 6, ionization. Characterization and suitability of reclaimed automotive. Pdf used lubricating oils rerefining by solvent extraction. The same technology however that distills motor oil from crude oil is essentially the same technology that distills used oil into diesel fuel. The dehydrated oil is then fed into the filters for removing the impurities inside the used lube oil and then it is feed to the further process. Used lube oil used lube oil is defined as the petroleum derived or synthetic oil which remains after applications in lubrications, cutting purposes, etc. Lubricants account for approximately 1% of the annual demand for crude oil, and approximately 50% of lubricants are destined for the automotive industry. Automotive oil recycling involves the recycling of used oils and the creation of new products from the recycled oils, and includes the recycling of motor oil and hydraulic oil. How to distill used motor oil for diesel fuel sciencing. It is a preferred recycling method because it only takes about one.
Stp present used lube oil rerefining 25 anniversary. Pdf the objective of this work is to investigate the rerefining of used lubricating oils using solvent extraction process. A wide variety of used engine oil refining machine options are available to you, there are 334 suppliers who sells used engine oil refining machine on, mainly located in asia. Octane numbers it is an indicator of fuel quality for the induced ignition gasoline engine. Change in total acid number with refining processes. 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. Abstract because of the concern that rerefined oil was causing engine failures, a study was initiated to compare the wear effects of rerefined and virgin oils using the two detroit diesel engines in a ferryboat that would experience. Refining used lubricating oils download ebook pdf, epub. When these special grade oils are used, 60% of the oil is used in the engine, transformer and hydraulic oil and rest 40% of the oil is unused which can be further reused by purification. Engine oil is used up when theres no function of additive again 8.
Effect of extraction and adsorption on rerefining of used. Re refining of used motor oil marie maher december 18, 2011 submitted as coursework for ph240, stanford university, fall 2011 background. Us9938471b2 us14827,383 us201514827383a us9938471b2 us 9938471 b2 us9938471 b2 us 9938471b2 us 201514827383 a us201514827383 a us 201514827383a us 9938471 b2 us9938471 b2 us 9938471b2 authority us united states prior art keywords caustic vgo oil mixture configured prior art date 20140819 legal status the legal status is an assumption. History, process and products book pdf free download link book now.
This is done in a three step process, in which water, solids, li ghter oils, dissolved meta ls, degraded additives etc. 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. Used lubricating oils, waste lubricating oils, rerefining,recycling, solvent extraction. Re fining is the use of distilling or refining processes on used lubrication oil to. Engine oil, transformer oil and hydraulic oil all are special grade petroleum oils, which had different specific gravity and viscosity. 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. Abstract the newly developed technology for treating waste automobile. The experimental procedure followed included among others. Us3346483a us51068465a us3346483a us 3346483 a us3346483 a us 3346483a us 51068465 a us51068465 a us 51068465a us 3346483 a us3346483 a us 3346483a authority us united states prior art keywords oil lubricating oils used weight hydrogenation prior art date 19641 legal status the legal status is an assumption and is not a legal conclusion. It describes the manufacture of base oils in refineries, and mentions the main additives playing an essential role in the quality of the marketed finished oils. Australians are good at recycling used oil, with about 250 million litres of used oil recycled during the 20072008 financial year. One rerefining of used lubricating oil oil chemistry petroleum. History, process and products book pdf free download link or read online here in pdf.
Automotive engine oil additives comprise those used in passenger car diesel and gasoline engine lubricants pcmo passenger car motor oil and in truck, coach and bus diesel engine lubricants hdeo heavy duty engine oil. The top countries of suppliers are japan, china, from which the percentage of used engine oil refining machine supply is 1%, 99% respectively. Pdf recycling of used engine oil by different solvent. There is availability of large amount of burnt engine oil and almost 40 % of this oil remains unburnt in the total available burnt oil. Click download or read online button to get used oil re refining book now. Stp is pioneer on used lube oil rerefining since 25 years. Rerefining of waste engine oil using ultrafiltration. This document confines itself to automotive engine oil additives, their chemistry and the benefits they provide.
The oil is heated to oc in a closed vessel to boil off. Different extraction processes have been identified for recycling waste lubricating oils. Build up of temperature degrade the lubricating oil, thus leading to reduction in properties such as. Pdf the refining of lubricating oils from waste lubricating oil was examined utilizing a novel blend of solvent extraction and activated alumina. This site is like a library, use search box in the widget to get ebook that you want. If youre looking for a free download links of waste engine oils. The process of refining crude oil in the early days of the oil industry, the methods for refining oil were very different than the methods we use today. Other heavier components do not boil in the conditions used. Explore the critical role refining plays in unleashing the potential of a barrel of crude oil and turning it into the specially formulated products that we rely on every day. Using the stills, refiners were able to raise the temperature of the oil very slowly. 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. Used motor lubricating oil was stored for several days to allow large suspended particles to settle under gravity. The used oil is dark in colour due to carbon from wears.
Diesellike fuel obtained by catalytic pyrolysis of waste. A project report on rerefining of used lube oil slideshare. The aims of waste engine oil processing are upgrading via recycling and rerefining processes of the petroleum based wastes by converting them into reusable products 198 diesellike fuel obtained by catalytic pyrolysis of waste engine oil. Refining reuse of used engine oil required series steps such as filtering and demineralization, propane deasphalting, distillation, etc. The acid present maintains the colour of the engine oil, but in used oil, the acid is weakened by the neutralization of a base. These products include gasoline, agricultural chemicals, heating oil, plastics, and even prescription medicines. All books are in clear copy here, and all files are secure so dont worry about it. Used lube oil is made up of a multitude of small individual batches collected at garages. Local governments are helping to conserve a valuable resource and protect the environment by encouraging australians recycle their used motor oil.
We will be drilling deeper into downstream oil and gas segments, starting with refining. A liquid extraction process then removes any aromatic. An investigation to the recycling of spent engine oil. Kier used horizontal cylindrical stills that only held 5 to 6 barrels of oil at a time. Due to the chemistry of oil refining, the higher the ch ratio of a crude oil, the more intense and costly the refinery processing required to prod uce given volumes of gasoline and distillate fuels. Production of diesel fuel from used engine oil is involving chemical filtrations and blending process. 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. Refining used lubricating oils describes the properties of used lubricating oils and presents ways these materials can be rerefined and converted into useful lubricants as well as other products. Re refining waste engine oils is a better way while at the same time obtaining base oil as a valuable product. Rerefining waste engine oils is a better way while at the same time obtaining base oil as a valuable product. The rerefining of used lubricating oils nz institute of chemistry.
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