solvent extraction technology for used oil treatment

Solvent Extraction Technology for Used Oil Treatment

The potentially improved oil products produced by the solvent extraction technology could be successfully blended into more valuable lighter diesel or heating fuel products, or into certain lubricating oil

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data on the treatment of used lubricating oil from two

Data on the treatment of used lubricating oil from two

The solvent and oil mixture (extract phase) undergoes further distillation for recovery. 2.2.4. Solvent recovery using atmospheric distillation. The solvent is recovered from the extract phase using an atmospheric distillation setup. The oil and solvent from the extract phase is heated with an electric mantle to a temperature of 85 °C.

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us4302325a - solvent extraction process for rerefining

US4302325A - Solvent extraction process for rerefining

More particularly, this invention relates to a solvent extraction process for rerefining used lubricating oil that has been fractionated into heavy and light lube fractions. BACKGROUND ART This invention relates to a process for the reclamation and rerefining of waste hydrocarbon lubricating oils.

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a. solvent extraction and dewaxing

A. SOLVENT EXTRACTION AND DEWAXING

2.Solvent Extraction . a. The purpose of solvent extraction is to prevent corrosion, protect catalyst in subsequent processes, and improve finished products by removing unsaturated, aromatic hydrocarbons from lubricant and grease stocks. The solvent extraction process separates aromatics, naphthenes, and impurities from the product stream by dissolving or precipitation.

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the fundamentals of mineral base oil refining

The Fundamentals of Mineral Base Oil Refining

Solvent extraction is the term used for the removal of most of the aromatics and undesirable constituents of oil distillates by liquid extraction. Commonly used solvents contain phenol, furfural and sulphur dioxide.

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solvent extraction ssytems - used lubricating oil re

Solvent Extraction Ssytems - Used Lubricating Oil Re

The recovered solvent is returned for reuse in the extraction stage of the process, the aromatics are collected separately for sale (as TDAE), or for in-plant use (as a fuel), and the wastewater stream (a very small volume) is collected separately for proper disposal.

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solvent extraction ssytems - used lubricating oil re

Solvent Extraction Ssytems - Used Lubricating Oil Re

SOLVENT EXTRACTION TECHNOLOGY FOR UPGRADING BASE LUBE DISTILLATES. Adapted from crude oil refining technology for the used oil recovery sector, PESCO BEAM offers Solvent Extraction to upgrade recovered base lube distillates(or VGO) to base lube oils having Group I / Group II properties.

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used oil re-refining: two main processing steps - nora, an

Used Oil Re-Refining: Two Main Processing Steps - NORA, An

The catalyst promotes chemical reactions that remove trace metals and other contaminants from the lube oil. Solvent Extraction: The solvent extraction process removes contaminants from the distillate by using an environmentally compatible solvent. At the same time,

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application of solvent extraction process for

Application of Solvent Extraction Process for

were used for refining Used Lubricating Engine Oil (ULEO) at temperatures 35ºC, 45ºC and 50ºC. The solvents performances were investigated at Solvent Oil Ratio (SOR) 1:1 to 7:1 using percentage oil yield as performance metric. The study revealed that 1-butanol produced the

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solvent extraction process for rerefining used lubricating

Solvent extraction process for rerefining used lubricating

More particularly, this invention relates to a solvent extraction process for rerefining used lubricating oil that has been fractionated into heavy and light lube fractions. BACKGROUND ART This invention relates to a process for the reclamation and rerefining of waste hydrocarbon lubricating

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distillation and solvent extraction process for rerefining

Distillation and solvent extraction process for rerefining

Distillation and solvent extraction process for rerefining used lubricating oil . in accordance with one embodiment of the distillation phase of the process, used oil containing a lubricating oil is rerefined by distilling the used oil to remove a volatile forecut to provide a resulting oil containing lubricating oil. Thereafter

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solvent extraction and dewaxing - set laboratories

Solvent Extraction and Dewaxing - Set Laboratories

The purpose of solvent extraction is to prevent corrosion, protect catalyst in subsequent processes, and improve finished products by removing unsaturated, aromatic hydrocarbons from lubricant and grease stocks. The solvent extraction process separates aromatics, naphthenes, and impurities from the product stream by dissolving or precipitation. The feedstock is first dried and then treated using a continuous

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us4399025a - solvent extraction process for rerefining

US4399025A - Solvent extraction process for rerefining

In accordance with the present invention, a process is provided for removing impurities from heavy and light lube oil fractions that have been obtained from waste lubricating oil. The impurities in the light lube oil fraction are removed utilizing tetrahydrofurfuryl alcohol in an extraction column (10). An oil-rich raffinate has the solvent removed therefrom by steam distillation and stripping

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recovery of hydraulic lubricant oil by solvent

Recovery of Hydraulic Lubricant Oil by Solvent

The process is cost effective and zero emission technology for oil recovery from the lubricant waste. By solvent extraction the recovery is nearly 97-99% with excellent quality of oil.

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plants for recycling & refining of used lubricating oil

Plants for Recycling & Refining of Used Lubricating Oil

We are one of the leading manufacturers and suppliers of Plants for Recycling & Refining of Used Lubricating Oil.The plants are offered on the following technologies: Wiped Film Evaporation ( Molecular Distillation / Short path distillation / thin film Evpaporation ) followed by clay treatment / regenerative clay process/ solvent extraction

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how lubricating oil is made› volume 1

How lubricating oil is made› Volume 1

Aromatics, one such contaminant, contain six-carbon rings that would affect the lube oil's viscosity if they weren't removed in a process called solvent extraction. Solvent extraction is possible because aromatics are more soluble in the solvent than the lube oil fraction is.

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improving the viscosity index of used lubricating oil by

Improving the Viscosity Index of Used Lubricating Oil by

solvent extraction process is the raffinate yield (lubricating oil yield). The effect of solvent to oil ratio and temperature on the yield of raffinate using the three solvents are shown in and 4) 12 %) %) International Research Journal of Engineering and Technology

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the effect of surfactant on selectivity in the extraction

The Effect of Surfactant on Selectivity in the Extraction

An investigation was conducted in order to examine the effect of the addition of surfactant to the fraction of the light lubricating oil (spindle) during the solvent extraction process. The solvent...

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solvent extraction of refinery wastes rates epa bdat - oil

SOLVENT EXTRACTION OF REFINERY WASTES RATES EPA BDAT - Oil

Solvent extraction for treating refinery sludge has been successfully demonstrated on a commercial scale at BP Oil Co.'s Alliance refinery at Belle Chasse, La. The BP Oil solvent extraction process was developed to provide a cost-effective oily waste recycling process as an alternative to incineration.

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solvent extraction of aromatic components from lube-oil

Solvent Extraction of Aromatic Components from Lube-Oil

The method has been used for modeling of the complex mixture of the lube-oil cut SAE 10 in the aromatics extraction process with the solvent N-methylpyrrolidone (NMP) from the Tehran Refinery.

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solvent extraction - aocs lipid library

Solvent Extraction - AOCS Lipid Library

Solvent Extraction Background. One of the most basic needs of mankind is an abundant and reliable food supply. In the modern world, one major source of protein and vegetable oil is from oilseeds, particularly the soybean – an abundant resource which is largely processed using solvent extraction, an efficient and reliable means to separate the high-protein meal solids from the high-energy

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solvent extraction method for edible oil processing

Solvent Extraction Method for Edible Oil Processing

Solvent extraction is a chemical oil extraction method to process oil out from vegetables, oilseeds and nuts by solvent, and Hexane is the preferred choice. Industrial oil processing for the edible oil generally involves the solvent extraction step which may or may not be preceded by pressing.

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re-refining of used lubricant oil by solvent extraction

Re-refining of used lubricant oil by solvent extraction

oil base oil from the waste lubricating oil [5,6]. Solvent extraction is the preferred method in the re-refining of used lubricating oils since it does not require complex processes, it

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lubricant production processes: solvent extraction x hydro

Lubricant Production Processes: Solvent Extraction x Hydro

Figure 1 – Typical Arrangement for Vacuum Distillation Process to Lubricating Oil Production. In lubricating production units based on the solvent route the following steps are basically

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a method of predicting effective solvent extraction

A method of predicting effective solvent extraction

The most critical stage in designing this process; used oil and solvent are mixed in appropriate process is developing appropriate solvent extraction proportions to assure complete miscibility of the base oil system that consists of type of solvent(s), extraction in the solvent.

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regeneration of used engine lubricating oil by solvent

Regeneration of used engine lubricating oil by solvent

used oil after the solvent extraction process. The vacuum distillation experiments were carried out according to ASTM D 1160 - 03 by the vacuum Regeneration of used engine lubricating oil... / Ovidius University Annals of Chemistry 23 (2), 149-154 (2012) 153 Table 4.

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a comparison of waste lubricating oil treatment techniques

A Comparison of Waste Lubricating Oil Treatment Techniques

Abstract—Waste lubricating oil is a resource that cannot be disposed of randomly due to the presence of pollutants. characteristics to those of virgin oil. The process typically involves, but is not limited to, pre-treatment by heat or or solvent extraction with clay and chemical treatment with hydro-heating. Vacuum distillation

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liquid-liquid extraction and adsorption on solid

LIQUID-LIQUID EXTRACTION AND ADSORPTION ON SOLID

process, it was possible to establish a set of steps that permit the recovery of lubricant base oils with lower content of contaminants. Keywords : Lubricant oils;

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waste lubricating oil treatment by adsorption process

Waste Lubricating Oil Treatment by Adsorption Process

The adsorption/extraction process was for the finishing process of lubricating oil is the acid activated bentonite clay, but the mechanism of their action on the Sharjah, UAE, with solvent to oil ratios of 3:1 with few drops of demulsifier. 3. The mixture was then mixed with a fixed amount of 15%(wt) of different adsorbents.

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influence of solvents on the extraction of oil from waste

Influence of Solvents on the Extraction of Oil from Waste

A solvent is used selectively to extract the base oil component from the waste lubricant oil. The additives and carbonaceous impurities that are normally present in used oil should be rejected by the extracting solvent. These impurities settle and flocculate based on gravity [5]. The solvent is then recovered by distillation for reuse.

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osha technical manual (otm) | section iv: chapter 2

OSHA Technical Manual (OTM) | Section IV: Chapter 2

Lubricating Oil Process. The dewaxed raffinate is blended with other distillate fractions and further treated for viscosity index, color, stability, carbon residue, sulfur, additive response, and oxidation stability in extremely selective extraction processes using solvents (furfural, phenol, etc.).

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organic solvents optimization in base oil recovery from

Organic Solvents Optimization in Base Oil Recovery from

liquid. The filtrate was then distilled to separate water, solvent and oil. Fig. 1 shows a process flow diagram for solvent extraction. Fig. 1Process flow diagram for solvent extraction . III. R ESULTS AND D ISCUSSIONS The solvent extraction process involves the use of a solvent to selectively extract lubricating oil from an oil contaminated soil mixture.

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waste used oil recycling plant process re refining base

Waste Used Oil Recycling Plant Process Re refining base

Used Lube Oil Re-Refining Process. Technology code ARS-703 – High Vacuum Distillation using Wiped Film Evaporation(WFE) and Solvent Treatment Technology.. Lube Oil & Used Lube Oil. Lube Oil: Lubricating oil are viscous liquids used for lubricating moving parts of engines and machines.

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organic solvents optimization in base oil recovery

Organic Solvents Optimization in Base Oil Recovery

optimization in the recovery of base oils from lubricating oil contaminated soils. The s of five extracting solvents performance namely; n-hexane, toluene, heptane, butane, benzene, and carbon disulphide were evaluated. A thermal treatment in an aqueous caustic The solvent extraction process involves the use of a solvent

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petroleum science and technology - taylor & francis

Petroleum Science and Technology - Taylor & Francis

Abstract Vacuum distillates of an Egyptian crude oil were subjected to solvent extraction process applying N-methyl-2-pyrrolidone (NMP) and furfural as dearomatization solvents. The study shows that the extraction solvent together with the temperature and solvent-to-oil ratio have a significant effect on the yield and quality of produced lubricating

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re-refining of used lubricating oil. - ijser

Re-refining of used lubricating oil. - IJSER

product with similar characteristics to those of virgin oil. The process typically involves, but is not limited to, pre -treatment by heat or filtration, followed by either vacuum distillation with hydrogen finishing and solvent extraction. Fig. 3 - Block diagram of re-refining of used lubricating oil .

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a comparison of waste lubricating oil treatment

A Comparison of Waste Lubricating Oil Treatment

Abstract—Waste lubricating oil is a resource that cannot be disposed of randomly due to the presence of pollutants. characteristics to those of virgin oil. The process typically involves, but is not limited to, pre-treatment by heat or or solvent extraction with clay and chemical treatment with hydro-heating. Vacuum distillation

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the effect of solvent extraction of light lubricating

The Effect of Solvent Extraction of Light Lubricating

produced raffinate were decreased as the extraction temperature or solvent to oil ratio increases for extraction process. Keywords : solvent extraction , lubricating oil, furfural . Introduction use(3).

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deasphalted oil -- a natural asphaltene solvent (book

Deasphalted oil -- A natural asphaltene solvent (Book

A process is claimed for the production of lubricating oils from petroleum stocks containing significant quantities of sulfur and lubricating oil components boiling above about 650/sup 0/F (343/sup 0/C) by subjecting such stocks to a series of steps comprising hydrodesulfurization, fractionation, and solvent extraction.

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waste lubricating oil treatment by adsorption

Waste Lubricating Oil Treatment by Adsorption

The adsorption/extraction process was for the finishing process of lubricating oil is the acid activated bentonite clay, but the mechanism of their action on the The metal content of the treated oil from 3:1 solvent to oil ratio with demulsifier after contact hour of four hours over 15% bentonite material, acid activated bentonite and

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lubricating oil | encyclopedia

Lubricating Oil | Encyclopedia

Aromatics, one such contaminant, contain six-carbon rings that would affect the lube oil's viscosity if they weren't removed in a process called solvent extraction. Solvent extraction is possible because aromatics are more soluble in the solvent than the lube oil

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studies on reuse of re-refined used automotive

Studies on Reuse of Re-Refined Used Automotive

aromatic solvent employed in the solvent extraction process. The lubricating oil fraction obtained by vacuum distillation is mixed by agitation with MEK in the ratio 2:1.The lubricating oil

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petroleum high volume production - lubricating oils

Petroleum High Volume Production - Lubricating Oils

The Lubricating Oils Category includes 34 lubricating oil basestocks (LOBs), also referred to as basestocks or lubricating basestocks. LOBs are derived from the refining of petroleum crude oil, primarily through the application of different processes such as solvent extraction or hydrogenation.

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solvent properties of oil extraction

solvent properties of oil extraction

Solvent extraction is a chemical oil extraction method to process oil out from vegetables, oilseeds and nuts by solvent It is possible to achieve oil yields in excess of 95% with a solvent recovery of over 95% which in compare to 60 to 70% oil yield

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re-refining plant by wiped film evaporation – balaji

Re-Refining Plant by Wiped Film Evaporation – Balaji

The clay treatment process, regenerative clay process or solvent extraction can be used for the purpose of polishing the distilled product, which is obtained from evaporation process, into supreme grade base oil of different viscosities.

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waste lubricating oil treatment by extraction and adsorption

Waste lubricating oil treatment by extraction and adsorption

Waste lubricating oil treatment by extraction and adsorption After strong agitation. solvent extraction and filtration process Several weighed portions of potassium hydroxide (KOH) ranging from 1.1–3.0–9.344 Table 1 Composition of typical lubricating oil. Documents Similar To Waste lubricating oil treatment by extraction

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solvent extraction | article about solvent extraction by

Solvent extraction | Article about solvent extraction by

solvent extraction[′säl·vənt ik‚strak·shən] (chemical engineering) The separation of materials of different chemical types and solubilities by selective solvent action; that is, some materials are more soluble in one solvent than in another, hence there is a preferential extractive action; used to refine petroleum products, chemicals, vegetable

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