Regenerated lubricating oil and treatment process thereof

A treatment process, a technology for lubricating oil, applied in the petroleum industry, lubricating compositions, etc., can solve the problems of a large number of acid residues and waste clay residues, unfavorable environmental protection, difficult treatment, etc., to improve the antioxidant performance and meet the environmental protection requirements. , the effect of improving antioxidant properties

Inactive Publication Date: 2022-01-14
SHANGHAI PANLONG IND
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] In view of the above-mentioned related technologies, the inventor believes that the treatment of waste lubricating oil by pickling and white clay will produce a large amount of acid residue and waste white clay residue, which is difficult to handle and is not conducive to environmental protection.

Method used

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  • Regenerated lubricating oil and treatment process thereof
  • Regenerated lubricating oil and treatment process thereof
  • Regenerated lubricating oil and treatment process thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0041] A treatment process for regenerated lubricating oil, comprising the following steps:

[0042] S1. Filtration: Put the waste lubricating oil into the filter for coarse filtration, and filter out the large particles of mechanical impurities in the waste lubricating oil;

[0043] S2. Settling: Pass the waste lubricating oil after coarse filtration into the heater to raise the temperature of the waste lubricating oil to 60°C. The clear water, large particles of impurities and flocculent particles in the waste oil are settled and discharged, and the upper layer The waste lubricating oil enters the next process;

[0044] S3. Refining: After settling, the waste lubricating oil is emulsified with water in oil. The emulsified waste lubricating oil enters the vacuum oil purifier and becomes a very fine oil mist through the nozzle. The relative vacuum degree is -0.08MPa Under certain conditions, different evaporation temperatures of oil and water are used to separate oil and wate...

Embodiment 2

[0061] A treatment process for regenerated lubricating oil, based on Example 1, adding additives to the regenerated lubricating oil obtained in step S4, and adding the additives to the formulated regenerated lubricating oil at a mass ratio of 0.2:100;

[0062] Wherein the additive includes a main antioxidant, and the main antioxidant includes 5 kg of 2,6-di-tert-butyl-4-methoxyphenol.

Embodiment 3

[0064] A treatment process for regenerated lubricating oil, the difference from Example 2 is that the amount of 2,6-di-tert-butyl-4-methoxyphenol is 3kg.

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PUM

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Abstract

The invention relates to the technical field of recycling of waste lubricating oil, and particularly discloses a treatment process of regenerated lubricating oil. The treatment process of the regenerated lubricating oil comprises the steps of filtering, settling, refining, blending and the like. The treatment process of the regenerated lubricating oil can be used for recycling the waste lubricating oil, and has the advantages of no pollution to the environment and good treatment effect.

Description

technical field [0001] The application relates to the technical field of waste lubricating oil recovery and reuse, more specifically, it relates to a regenerated lubricating oil and its treatment process. Background technique [0002] Lubricating oil is an oily lubricant, which is used to reduce the friction between the surfaces of moving parts, and at the same time has the functions of cooling, sealing, anti-corrosion and anti-rust on machinery and equipment. Due to the long-term contact between lubricating oil and metal, foreign impurities will gradually increase in the oil, such as moisture, dust and metal chips, etc. The production process of waste lubricating oil is precisely due to external pollution, which produces a large amount of colloids and oxides, thereby reducing or even reducing the quality of waste lubricating oil. Lost the effects of reducing friction, cooling and cooling. [0003] At present, the treatment process of related regenerated lubricating oil inc...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C10M175/00C10M175/04C10N30/10C10N30/06C10N30/18
CPCC10M175/0025C10M175/0016C10M175/04C10M175/0083C10N2030/10C10M2207/026C10M2215/066C10M2201/041C10M2227/066C10N2030/06C10M2229/041C10N2030/18C10M2223/045C10N2010/04
Inventor 徐伟荣
Owner SHANGHAI PANLONG IND
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