Due to the chemistry of oil refining, the higher the ch ratio of a crude oil, the more intense and costly the refinery. Oil is used to power our vehicles, to create medicines that keep us healthy, and to make the plastics, cosmetics, and other personal products that enhance our daily lives. Refining operations petroleum refining processes and operations can be separated into five basic areas. The epa estimates that there are 1 billion galy of used lubricants generated in the united states. Used engine oil itself contains a number of additives and is contaminated by impurities and residues resulting from the combustion process. Rerefining processes regeneration of used mineral oils. To help you understand the difference, here are the definitions. 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. He used to recycle his motor oil in the garage using two containers and a long length of lamp wick. The property of good solubility facilitates extraction of oil. Additionally, it is believed that 40% of this material is poured directly into the ground 1.
However, it must be rerefined mainly due to the accumulation of physical and chemical contaminants in the oil. Waste engine oils presents a complete description of the field of engine used oils, widely collected in the networks of servicesstations and garages. 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. Lubricants account for approximately 1% of the annual demand for crude oil, and approximately 50% of lubricants are destined for the automotive industry. Australians are good at recycling used oil, with about 250 million litres of used oil recycled during the 20072008 financial year. However, not all used oil is disposed of appropriately. The lube oil acts as transport medium for insolubles produced in the engine. The small price difference between rerefined and virgin oil fluctuates. The final cost depends on factors including availability, blend, quantity, and supplier. Thermopac manufacture true turnkey used engine oil recycling plant and mediabased polishing system. Used oils may include lubricants, hydraulic fluids, and heat transfer fluids such as engine oil, sludge from used oil tanks, transmission fluid, refrigeration oil, compressor oil, or electrical insulating oils. Popular corn oil margarines take another25 pemmt,while iestauiilnts are using a. It is clear that the density of the used oil is higher than that for the treated oils. Recycled used motor oil can be rerefined into new oil, processed into fuel oils, and used.
History, process and products nearly every aspect of our modern lifestyle is impacted by oil. Petroleum refinery activities start with receipt of. The use of this method has increased tremendously in developed countries, some countries reaching up to 50% of the countrys need for lubricating oil 8. In the lube oil industry, the term recycling is very different from re refining. Fractionation distillation is the separation of crude oil in atmospheric and vacuum distillation towers into groups of hydrocarbon compounds of differing boilingpoint ranges called fractions or cuts. Various solvents were used for re refining of used lube oils, however each solvent had its own set of advantages and limitations. 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.
In many cases, refining process is not economically viable. The transformation begins with the extraction of oil from the ground, after which it is usually loaded. Rerefining of waste engine oil using ultrafiltration. Lubricating oil is used in motorized vehicles, where it is known specifically as motor oil. Production of diesel fuel from used engine oil is involving chemical filtrations and blending process. Lubricating oil are viscous liquids used for lubricating moving parts of engines. Analyze the contents of a quart of motor oil and you will discover that approximately 75%85% of its volume consists of base oil. One of the serious pollution problems worldwide is related to spent motor oil.
Refining reuse of used engine oil required series steps such as filtering and demineralization, propane deasphalting, distillation, etc. For used oil, the pour point is lower as compared with that of refined oil. Refining used lubricating oils describes the properties of used lubricating oils and presents ways these materials can be reref. Waste used oil recycling plant process re refining lube.
It removes all impurities, both soluble and insoluble, and returns the oil to a quality suitable for automobiles. Click download or read online button to get refining used lubricating oils book now. It allows processing of hazardous material in a safe and effective way to recover an high quality oil product. 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.
Legislation 18 used oil regeneration technologies 21 classification of technologies 23. However, none of these products would exist without the. Used engine oil itself contains a number of additives and is contaminated by impurities and residues resulting from the combustionprocess. Oil 101 introduction to refining downstream oil and gas. A comparison of waste lubricating oil treatment techniques. Re refining of used lubricating oil lube oil motor oil or engine oil is an oil used for lubrication of various internal combustion engines. 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. Pdf recycling of used engine oil by different solvent. 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.
Refining used lubricating oils crc press book used lubricating oil is a valuable resource. Umesi 5 examined the recycling of used lubricating oil of an internal engine combustion, it was concluded that, most of the great. The technology is developed in house and the true turnkey approach helps the customer to put the plant in operation within 30 days on the site. Make diesel fuel from used motor oil 3d demo video youtube.
This site is like a library, use search box in the widget to get ebook that you want. Re refining is a process that has been developed over many years. Petroleum lubricating oil and grease manufacturing. Waste engine oil regeneration to base oil testing contact. This oil used to be dumped, but now most of it is rerefined. The process to rerefine used motor oil is, according to david layzell, a scientist for dominion oil refining, easier than refining crude oil. This may be expressed as the percent sludge removal psr which is the mass of sludge removed in gram100 g of used oil. Refining used lubricating oils 1st edition james speight.
The degree of engine fouling is determined by the concentration of insolubles and the tendency of the oil to leave deposits. Using the waste engine oil as a raw material in producing base oil is only requires less than 10 %volume compared to crude oil. Stp present used lube oil rerefining 25 anniversary. 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. Used oil includes any petroleumbased or synthetic oil that has been used, and therefore contaminated by physical or chemical impurities. How to make diesel from used motor oil it still runs. An important experimental measurement of the solvent extraction rerefining process is normally represented by the amount of sludge removed from the used oil. The used engine oil was purified using the various clay samples. May 25, 2015 waste engine oil regeneration to base oil testing contact. Fractionation distillation is the separation of crude oil in atmospheric and vacuum. Waste used oil recycling plant process re refining lube oil.
The oil is taken to a re refinery where the contaminants and motor oil additives are removed in a multistep process. Used motor oil can contain up to 71 wt% of the lube oil base stock, while the remaining 29 wt% is comprised of various contaminants 2. These especially include used oils from combustion engines, transmission systems. However, it must be rerefined mainly due to the accumulation of physical and chemical contaminants in the oil during service. Pdf the refining of lubricating oils from waste lubricating oil was examined utilizing a novel blend of solvent extraction and activated alumina. Generally, a good solvent should have the properties of good solubility for oil as well as it should be a good flocculating agent. With fresh and clean lube oil in the system, marine engine. Pdf the aim of this project was to study the possibility of rerefining used lubricating oil generated in bagmati zone. The same technology however that distills motor oil from crude oil is essentially the same technology that distills used oil into diesel fuel. Experimental process of re refining used lubricating oil straight or. Cimac, 2004 under normal oil consumption conditions, trunk piston engine oils do not require complete oil changes for up to several years. Of this, 200 million galy are disposed of improperly. The rerefining of used lubricating oils nz institute of chemistry.
We will be drilling deeper into downstream oil and gas segments, starting with refining. Used oil is uplifted from centralised collection points at places such as service stations, workshops, recycling depots and factory sites. The lubricating oils used by vehicle engines have to be replaced at least every 20 000 km. Re refining waste engine oils is a better way while at the same time obtaining base oil as a valuable product. 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. Lubricating oil, sometimes simply called lubricantlube, is a class of oils used to reduce the friction, heat, and wear between mechanical components that are in contact with each other. Crude oil is converted to gasoline through a relatively simple refining process. The refining of lubricating oils from waste lubricating oil was examined utilizing a novel blend of solvent extraction and activated alumina adsorbent. Refining used lubricating oils download ebook pdf, epub.
Due to scarcity of petroleum products, the used engine oils can be used in engine as engine oil after purifying it. Local governments are helping to conserve a valuable resource and protect the environment by encouraging australians recycle their used motor oil. Refining used lubricating oils describes the properties of used. Recycling used lubricating oil using untreated, activated. Basel convention technical guidelines on used oil re refining of other reuses of previously used oil basel convention seriessbc no. Feb 10, 2014 re refining of used lubricating oil lube oil motor oil or engine oil is an oil used for lubrication of various internal combustion engines. Experimental regeneration process of used motor oils cder. Rerefined oil has quality that is equal to or better than some virgin base oils. Protect engine components against harmful deposits seal engine compartment lube oil also helps keep deposits from forming throughout the entire lubrication system, including circulation lines, check valves and sight glasses. Re refining is an energy efficient and environmentally beneficial method for managing used oil.
This is due to the presence of sludge and a higher percent of sulfur compounds. Technical guidelines on used oil re refining of other reuses of previously used oil basel convention seriessbc no. Recycling of used engine oil by different solvent sciencedirect. Thermopac, manufacture the true turnkey base used engine oil. Re refining of used motor oil marie maher december 18, 2011 submitted as coursework for ph240, stanford university, fall 2011 background. 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. This result in a strong economic incentive for rerefining considering oil price. Rerefining of used lube oil is an economically attractive recycling method in terms of resources conservation and environment protection. We build skid mounted, continuous and fully automated waste free re refining. Used motor oil can generate quality energy, if processed, stored and handled with care. Stp has implemented several rerefining plants worldwide and is providing the last generation rerefining process based on unicum knowhow. He would place the dirty oil in a container on a high shelf, and then run the lamp wick from the dirty oil in the container down to a clean container on the floor. Oil is used to power our vehicles, to create medicines that keep us healthy, and.
But as of now when technology has been upgraded to a new level, the use of the process has changed in a number of positions available for waste engine lube oil recycling. It could solve some of the energy problem with increasing the blending percentage. Beginning with the activated clay, it was ground and mixed with the used engine oil. Riaz pervez abstract due to scarcity of petroleum products, the used engine oils can be used in engine as engine oil after purifying it. The benefits of reusing and recycling used oil recycling and reusing used motor oil is preferable to disposal and can provide great environmental benefits. Stp is pioneer on used lube oil rerefining since 25 years. The activity of these solvent extraction blends toluene, butanol and methanol a, toluene, butanol and ethanol b and toluene.
The reason is that platinum plays a vital role in a number of catalytic reforming processes used in producing the very high octane fuels required for modern aircraft and automobile engines. The collector is contracted to the used oil monitoring group, whose members include bp, dominion oil refining, caltex, castrol. Pdf recycling of used engine oil by different solvent researchgate. Design of a batch process for rerefining of used lube oil. Thermopac the true turnkey used oil rerefining plant. Jun 14, 2017 make diesel fuel from used motor oil can refine waste tire pyrolysis oil,plastic pyrolysis oil, used engine oil into diesel, the diesel can be used as normal diesel substitute in diesel engine. This may be expressed as the percent sludge removal. This oil used to be dumped, but now most of it is rerefined and reused. This oil used to be dumped, but now most of it is rerefined and. Production of diesel fuel from used engine oil is involving chemical filtrations.
Compendium of used oil regeneration technologies prepared by f. The term recycling used oil generally means to take used motor oil. How to distill used motor oil for diesel fuel sciencing. Pdf study on rerefining of used lubricating oil in bagmati zone. The recycling or re refining of waste oil and recycling of used engine oil creates some common confusion. Step 1 collect waste motor oil wmo in a black, aluminum container and leave it in the warm sun for a few days. To return used automotive lubricating oil hereafter referred to as motor oil to its original composition, it is important to understand the chemical differences between used motor oil and new motor oil. Compressor engines these refinery processes are defined below, and their emission characteristics and applicable emission control technology are discussed. Managing, reusing, and recycling used oil reduce, reuse. The use of this method has increased tremendously in developed countries, some countries reaching up to 50% of the countrys need for lubricating oil.
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