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TECHNICAL GUIDELINES ON HAZARDOUS

significant degradation of environmental quality in those media. Waste acid sludges arising from the acid/clay process - a common method of recycling waste oils - represent a serious environmental threat. Such method of recycling requires the same level of vigilance as for hazardous wastes.

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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. In response ... processes such as clay contacting and distillation would reduce the competitive advantage of waste oil processors [3]. ... characteristics to those of oil. The process typically involves, but is not ...

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Alternative Processes - Chemical Engineering Partners

This process requires approximately 0.4 lb of clay per gallon of oil. After clay is filtered from the oil, the final steps are neutralization and distillation of the oil. Acid clay treatment was the predominant technology in the past.

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Recycle of Used Oils: Legal and Technical Considerations

4.7.- Optimum regeneration process 5. An alternative to regeneration 5.1 General comment 5.2 Using waste oil as fuel in cement kilns 6. Conclusions 7. List of Appendixes A.- Existing EU directives that impact on the disposal of used oil B. EU Commission vs. Germany (case C-102/97)

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Base Oil Recovery Techniques - PT. BSI Batam Used Oil Recycle

Acid-clay process is one of the popular treatment methods for waste oil. In this process, the waste oil is treated with sulfuric acid. This acid reacts conversely with oxygen compounds and some sulfur- and nitrogen-based compounds to form sludge.

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Used lubricating oil management options based on life ...

For the oil recovery scheme, the acid clay process, which has generally been believed to generate high pollution to the environment, surprisingly produces slightly lower GWP than that of solvent extraction process. In fact, the acid clay process obviously is the lowest GWP generator among all treatment processes when compared based only on the ...

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USED LUBE OIL RECYCLING - PRESENTATION - SlideShare

Re-refiners and re-cyclers, now have to use only environmentally sound technologies (EST) while re-cycling and refining waste oil. In case of oil re-refiners using acid clay process or modified acid clay process have been advised to switch over to Environmentally Sound Technologies only or close down.

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What is Activated Clay? (with picture)

 · The clay is processed with acid, upping the adsorption properties of the clay considerably. Once it has been treated, activated clay can also be reactivated as it is used, allowing people to reuse the clay rather than having to continually replace it.

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acid clay process waste oil - schilder-spuitwerk.nl

acid clay process waste oil manufacturer in Shanghai, China. acid clay process waste oil is manufactured from Shanghai Xuanshi,It is the main mineral processing ... More Info Preliminary Data Summary for the Used Oil Reclamation and . included the review of the oil reclamation and rerefining industry process ...

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Used Waste oil Re Refining Recycling Plant - Arslan Enginery

Used waste oil Re-refining. ... ARS 703, Which does not required any acid or clay treatment infect we don't use any chemical in our oil recycling process, ... So they can understand each and every accepts of Arslan's Waste oil recycling process .

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US5942457A - Process for regenerating spent clay - Google ...

The solvent was condensed and reused. The oil was re-refined using the acid-clay re-refining process of the patents incorporated herein by reference. The dehydrated clay was then reactivated by mixing it with a 3% hydrochloric acid solution in a 1:3 ratio of clay to acid solution (600 grams of acid …

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Base Oil Clay Finishing Treatment - Reactivation Clay ...

The HERING RCPS oil polishing system is perfectly suited to replace old acid-clay processes. As acid-clay re-refining process are becoming banned around the world, we can customize the ideal HERING RCPS setup to seamlessly substitute your existing acid-clay treatment with our lube oil …

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Acid Activation and Bleaching Capacity of Some Clays for ...

The results showed that the formic acid-clay treatment improve the flash point of the used motor oil and made it comparable with fresh motor oil and the sulphuric acid, acetic acid and formic acid ...

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Processing Edible Oils - Penn State Extension

Figure 3: A bag of bleaching clay. A simple acid wash of the raw pressed oil will cause many of the hydratable compounds to settle out of the water and become particles that can be settled, centrifuged or filtered from the remaining oil. Citric acid is often chosen as the acid for this operation. In one process, the oil is heated to 80°C (176°F).

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Analysis and Comparison of Regenerative Technologies of ...

to further purify the waste oil by vacuum distillation prior to the acid/clay process, with its flow process similar to the acid/clay process (Figure 2). 5.3 Solvent de-asphalting process: The propane is used as a solvent to separate insoluble suspended substances such as asphalt, metallic compounds, and resin in the waste oil, with its flow ...

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Study of Selected Petroleum Refining Residuals: Industry ...

STUDY OF SELECTED PETROLEUM REFINING RESIDUALS INDUSTRY STUDY Part 1 August 1996 U.S. ENVIRONMENTAL PROTECTION AGENCY Office of Solid Waste Hazardous Waste Identification Division 401 M Street, SW Washington, DC 20460

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Tongrui most advanced waste oil recycling distillation ...

Traditional recycling technology 1.Acid Process Low Capital investment,simple to operate, no advanced instruments, no skilled operators required.Add sulfuric into waste oil, acid sludge and acid gas emission which adds heavy pollutants to the environment.Now is banned by government. 2.Clay /flocculation and filtration process.

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Study of Selected Petroleum Refining Residuals: Industry ...

STUDY OF SELECTED PETROLEUM REFINING RESIDUALS INDUSTRY STUDY Part 1 August 1996 U.S. ENVIRONMENTAL PROTECTION AGENCY Office of Solid Waste Hazardous Waste Identification Division 401 M Street, SW Washington, DC 20460

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Presentation on re refining of lubricating oil by avadhut ...

However, the sulfuric acid treatment and clay addition produce waste streams like acid tar and spent clay resulting in a problem of waste disposal. In spite of the disposal problem associated with Meinken process, the Meinken technology appears to be very popular.

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Waste lubricating oil treatment by extraction and ...

It can be seen that the acid activated clay has the best performance in treating the waste oil in an adsorption process followed by the almond shale powder and eggshell powder. The same trend was found by Udonne who studied the used oil treatment process using acid/clay methods.

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Waste Lubricating Oil Purification and Recovery

Results of Typical Waste Oil Process Batch Disposal of Wastes Generated. Typical additives added to lube oils. ... The clay is reactivated by acid treatment. The regenerated clay is then fit for use and the acid is recovered for reuse.

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LIQUID-LIQUID EXTRACTION AND ADSORPTION ON SOLID …

the recovery process using acid-free clays, waste oils are initially treated with natural polymers to remove carbonic materials and, soon after, are subjected to vacuum distillation and clay treatment in the appropriate amount to obtain the right end product coloration. Besides the high costs due to the required quantity of clay, recovered oils ...

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IMPLEMENTATION OF ENVIRONMENTALLY SOUND …

OF USED OIL AND WASTE OIL D.B.Boralkar Maharashtra Pollution Control Board, MUMBAI 400 032. India ... necessary to facilitate implementation of environmentally sound technologies (ESTs) for re- ... Thin Film Distillation with pre-treatment and Modified Acid-Clay process in terms of yield, energy consumption, waste streams are presented below. ...

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Methods for Demetallation of Waste Oil - EPA

Acid-Clay Treatment The acid-clay process dominated the rerefining industry during the 1960s. A flow sheet for the traditional acid-clay process is shown in Figure 2. In this procedure, waste oil is dehydrated and stripped of light fractions prior to acid treatment.

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Waste Lubricating Oil Treatment by Adsorption Process ...

activated clay. In this study, adsorption process is investigated for the treatment of waste lubricating oil using different adsorbents such as egg shale powder, date palm kernel powder, acid activated date palm kernel powder, and oil adsorbent. The waste oil is diluted with petroleum hydrocarbon such as BP

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Acid Bentonite Clay /activated Bleaching Earth/fuller Clay ...

Acid Bentonite Clay /activated Bleaching Earth/fuller Clay For Waste Oil Refining, Find Complete Details about Acid Bentonite Clay /activated Bleaching Earth/fuller Clay For Waste Oil Refining,Acid Bentonite Clay /activated Bleaching Earth/fuller Clay For Waste Oil Refining from Bentonite Supplier or Manufacturer-Weifang Yuexiang Chemical Co., Ltd.

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Acid Activated Clay Adsorption Properties

This is caused by a more or less strong acid attack primarily leaching out Al- and Fe-ions from the octahedron montmorillonite layers. The free, amorphous silicic acid formed at the leaching process develops strong adsorptive and selective capacities, as shown on the example of edible oil bleaching.

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Re-refining of used Oil- an Insight - Arc Journals

solution to all these problems. In their research, they used the acid clay treatment process. In this process used oil is treated with strong acid and then clay. To this method, they an alternative method that is ecofriendly and produces good quality refined oil. The new method included dehydration,

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Acid Bentonite Fuller Earth For Waste Oil Refining ...

Fuller Earth, Bentonite,Attapulgite,Bleaching Clay treatment process for white mineral oil an acid-treated bentonite . Send Inquiry; fuller earth suppliers for recycling waste oil. Workers at recycling 2016 Hot Sale Construction Machine Acid Bentonite Fuller Earth For Waste Oil Refining low free acid topoilmachine earth . Send Inquiry

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Recycling of Automotive Lubricating Waste Oil and Its ...

technique acid/clay for reclamation of waste oil. This process has been employed for many years as the premier type of re-refining in which concentrated sulfuric acid is introduced to dehydrate waste lubricating oil. An acidic sludge is produced which is treated with clay. In this study, the conventional process of reclamation of waste oil ...

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