Petroleum refining and the prod uction of ulsg and ulsd october 24, 2011 page 5 3. 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. Change in total acid number with refining processes. Used waste oil re refining recycling plant arslan enginery. Rvp is high in winter compared to summer so that more vapors are available for quick engine startup. Refining reuse of used engine oil required series steps such as filtering and demineralization, propane deasphalting, distillation, etc. A liquid extraction process then removes any aromatic. Stp has implemented several rerefining plants worldwide and is providing the last generation rerefining process based on unicum knowhow. It is clear that the density of the used oil is higher than that for the treated oils. 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. 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. 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. Thus, the chemical composition of a crude oil and its various boiling range fractions influence refinery investment requirements and. There is availability of large amount of burnt engine oil and almost 40 % of this oil remains unburnt in the total available burnt oil.
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. This site is like a library, use search box in the widget to get ebook that you want. Engine oil, transformer oil and hydraulic oil all are special grade petroleum oils, which had different specific gravity and viscosity. Australians are good at recycling used oil, with about 250 million litres of used oil recycled during the 20072008 financial year. Refiningreuse of used engine oil required series steps such as filtering and demineralization, propane deasphalting, distillation, etc. Re refining waste engine oils is a better way while at the same time obtaining base oil as a valuable product.
Vacuum distillation and hydrogenation are two other methods that can be used for recycling used engine oil 16. An investigation to the recycling of spent engine oil. History, process and products book pdf free download link or read online here in pdf. Waste engine oils presents a complete description of the field of engine used oils, widely collected in the networks of servicesstations and garages. Rerefining and energy recovery pdf, epub, docx and torrent then this site is not for you. 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. Local governments are helping to conserve a valuable resource and protect the environment by encouraging australians recycle their used motor oil. Used motor lubricating oil was stored for several days to allow large suspended particles to settle under gravity.
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. Diesellike fuel obtained by catalytic pyrolysis of waste. The acid present maintains the colour of the engine oil, but in used oil, the acid is weakened by the neutralization of a base. This oil used to be dumped, but now most of it is rerefined and reused.
Rerefining waste engine oils is a better way while at the same time obtaining base oil as a valuable product. Effect of extraction and adsorption on rerefining of used. Click download or read online button to get used oil re refining book now. Recycling of used engine oil by different solvent sciencedirect. Re fining is the use of distilling or refining processes on used lubrication oil to. How to distill used motor oil for diesel fuel sciencing. 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. Us9938471b2 process for refining used lubricating oil. The temperature is limited by the vapor pressure of the crudeoil feedstock. It is a preferred recycling method because it only takes about one. However, it must be rerefined mainly due to the accumulation of physical and chemical contaminants in the oil during service. Pdf the objective of this work is to investigate the rerefining of used lubricating oils using solvent extraction process. The rerefining of used lubricating oils nz institute of chemistry.
Us3346483a refining used lubricating oils with sulfuric. Stp present used lube oil rerefining 25 anniversary. The used oil is dark in colour due to carbon from wears. 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. The same technology however that distills motor oil from crude oil is essentially the same technology that distills used oil into diesel fuel. Pdf the refining of lubricating oils from waste lubricating oil was examined utilizing a novel blend of solvent extraction and activated alumina. This is due to the presence of sludge and a higher percent of sulfur compounds. These products include gasoline, agricultural chemicals, heating oil, plastics, and even prescription medicines. The experimental procedure followed included among others. 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. Rerefining over the years several rerefining technologies have been proposed for waste oil recycling. 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. Kier used horizontal cylindrical stills that only held 5 to 6 barrels of oil at a time.
The oil is heated to oc in a closed vessel to boil off. This is done in a three step process, in which water, solids, li ghter oils, dissolved meta ls, degraded additives etc. 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. One rerefining of used lubricating oil oil chemistry petroleum. Other heavier components do not boil in the conditions used. Click download or read online button to get refining used lubricating oils book now. 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. Stp is pioneer on used lube oil rerefining since 25 years. 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. Viscosity, specific gravity, etc dirt and metal parts from the surfaces are also. Used oil re refining download ebook pdf, epub, tuebl, mobi. A comparative study of recycling of used engine oil using.
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. 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. Production of diesel fuel from used engine oil is involving chemical filtrations and blending process. High rvp improves engine starting but also increases losses low rvp prevents vapor lock. This document confines itself to automotive engine oil additives, their chemistry and the benefits they provide. History, process and products book pdf free download link book now.
Some of these processes include redistilling or rerefining 6, ionization. Rerefining of waste engine oil using ultrafiltration. A project report on rerefining of used lube oil slideshare. 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.
Oil 101 introduction to refining downstream oil and gas. Lubricants account for approximately 1% of the annual demand for crude oil, and approximately 50% of lubricants are destined for the automotive industry. We will be drilling deeper into downstream oil and gas segments, starting with refining. Used lube oil used lube oil is defined as the petroleum derived or synthetic oil which remains after applications in lubrications, cutting purposes, etc. Design aspects of used lubricating oil rerefining, awaja. Petroleum refinery activities start with receipt of.
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. 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. The top countries of suppliers are japan, china, from which the percentage of used engine oil refining machine supply is 1%, 99% respectively. Recycling of waste engine oils using a new washing agent core. Refining used lubricating oils download ebook pdf, epub. 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. Octane numbers it is an indicator of fuel quality for the induced ignition gasoline engine. A comparison of waste lubricating oil treatment techniques. 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. Build up of temperature degrade the lubricating oil, thus leading to reduction in properties such as.
Re refining of used motor oil marie maher december 18, 2011 submitted as coursework for ph240, stanford university, fall 2011 background. Abstract the newly developed technology for treating waste automobile. In many cases, refining process is not economically viable. Used lubricating oils, waste lubricating oils, rerefining,recycling, solvent extraction. Pdf recycling of used engine oil by different solvent researchgate. 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. Using the stills, refiners were able to raise the temperature of the oil very slowly. Cyclo oil company has come out with a solution to protect the sensitive ecology for uae by setting up a refinery to re. Pdf used lubricating oils rerefining by solvent extraction. Pdf recycling of used engine oil by different solvent. 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.
However, not all used oil is disposed of appropriately. All books are in clear copy here, and all files are secure so dont worry about it. Characterization and suitability of reclaimed automotive. 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. Design aspects of used lubricating oil rerefining presents a feasible and comprehensive technology for recycling of used lubricating oils. Engine oil is used up when theres no function of additive again 8. Used lube oil is made up of a multitude of small individual batches collected at garages. If youre looking for a free download links of waste engine oils. 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. 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. 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. Different extraction processes have been identified for recycling waste lubricating oils. Certain series of specific treatment is available which is necessary for.
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