A combined method for producing high-quality lubricating oil base oil and environment-friendly aromatic hydrocarbon oil

A technology of lubricating base oil and combination method, which is applied in the direction of hydrocarbon oil treatment, petroleum industry, hydroprocessing process, etc., and can solve the problems of low yield of the target product of cracking reaction, low yield, and inability to produce environmentally friendly aromatic oil, etc.

Active Publication Date: 2021-12-07
CHINA PETROLEUM & CHEM CORP +1
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  • Summary
  • Abstract
  • Description
  • Claims
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Problems solved by technology

The disadvantage of this technology is that after the Group I base oil is hydrotreated, some irrational components of lubricating oil (polycyclic naphthenes and a small amount of polycyclic aromatic hydrocarbons) are converted into ideal components, but at the same time it is inevitable The cracking reaction reduces the yield of the target product, and the worse the raw material, the lower the yield, and it cannot produce environmentally friendly aromatic oil

Method used

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  • A combined method for producing high-quality lubricating oil base oil and environment-friendly aromatic hydrocarbon oil
  • A combined method for producing high-quality lubricating oil base oil and environment-friendly aromatic hydrocarbon oil
  • A combined method for producing high-quality lubricating oil base oil and environment-friendly aromatic hydrocarbon oil

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preparation example Construction

[0030] The preparation process of the hydrogenation modification catalyst of the present invention comprises: after uniformly mixing the amorphous silica-alumina and the modified Y zeolite, adding a binder, kneading, rolling into agglomerates, extruding on an extruder to obtain a carrier, Reload the hydrogenation active metal.

[0031] The amorphous silicon-alumina used can be prepared by existing methods, such as a specific preparation method comprising the following steps:

[0032] a. Prepare sodium aluminate solution and sodium silicate solution;

[0033] b. Add the sodium aluminate solution and the sodium silicate solution into the gel forming tank concurrently, and ventilate and feed CO at the same time 2 gas, adjust sodium aluminate solution, sodium silicate solution and CO 2 Flow rate, control the pH value of the material in the gel tank to 9-11, control the neutralization reaction temperature to 20-50°C, and the neutralization reaction time to 0.5-1.5 hours;

[0034...

Embodiment 1

[0051] Prepare 700 solid sodium aluminate to a concentration of 200gAl 2 o 3 / L concentrated sodium aluminate solution, then diluted to a concentration of 35gAl 2 o 3 / L sodium aluminate working solution (a), take SiO 2 28wt% sodium silicate solution, then diluted to a concentration of 150gSiO 2 / L sodium silicate working solution 2L (b). Take a 30L steel plastic tank, open the container valves containing (a) and (b) respectively, and ventilate and feed CO with a concentration of 45v% at the same time 2 Gas, set the flow rate of (a) and (b) so that the reaction time is 1 hour, and quickly adjust the CO 2 flow rate, keep the pH of the system at about 10.0, and the reaction temperature is 30°C. After the reaction of (a) and (b) is completed, stop feeding CO 2 , and then the ventilation was stable for 40 minutes, and the slurry was filtered and washed with 85°C deionized water until neutral. Dry at 120°C for 8 hours, crush and sieve to obtain amorphous silica-alumina GL. T...

Embodiment 2

[0053] Get 100g silicon aluminum GL, 45g modified Y zeolite (SiO 2 / Al 2 o 3 40, unit cell constant 2.432nm, infrared acidity 0.19mmol / g specific surface area 866m 2 / g, pore volume 0.52mL / g) and 310g adhesive made by peptizing nitric acid and SB alumina, kneading, rolling, making extrudable paste, extruding into strips. Carrier A was obtained by drying at 110°C for 6 hours and calcining at 550°C for 4 hours. Then 80 g of carrier A was impregnated with 200 mL of a Wo-Ni co-impregnation solution in excess for 2 hours, dried at 110° C. for 6 hours, and calcined at 500° C. for 4 hours to obtain the hydrogenation modification catalyst catA. The physical properties of the hydrogenation upgrading catalyst are shown in Table 2.

[0054] Table 2 Physicochemical properties of hydroupgrading catalysts.

[0055]

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Abstract

The invention discloses a combined method for producing lubricating oil base oil and environment-friendly aromatic hydrocarbon oil. The API Class I lubricating oil base oil with very low content of condensed ring aromatics produced by the "old three sets" process is subjected to solvent extraction, and the extraction depth is controlled to further reduce the aromatics in the raffinate oil; Hydrogen modification, improve color and stability, increase viscosity index, reach API Ⅲ lubricating base oil index; at the same time, aromatics are enriched in the extracted oil, so that the content of condensed ring aromatics in the extracted oil is <3.0%, and the content of aromatics is >20% , to obtain excellent rubber filler oil for tire industry. The method of the invention can simultaneously obtain two kinds of high value-added products by modifying the class I base oil, and has the advantages of high yield of the target product, low operation cost and no waste disposal in the processing process.

Description

technical field [0001] The invention relates to a combination method for simultaneously obtaining environmentally friendly aromatic oil and Class III lubricating oil base oil, specifically a method for obtaining environmentally friendly aromatic oil by using a solvent secondary extraction process, and at the same time undergoing a hydrogenation refining / hydrogenation upgrading process Process for producing Group III lubricating base oils. Background technique [0002] Rubber filler oil plays an important role as an auxiliary agent in the rubber industry. It can improve the plasticity of the rubber, reduce the viscosity of the rubber and the temperature during mixing, and can promote the dispersion and mixing of other ingredients. Extrusion acts as a lubricant and reduces the hardness of vulcanized rubber and improves its properties. Rubber filler oil can also increase rubber output, reduce costs, improve rubber processing performance and performance, and plays an important ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C10G67/04
CPCC10G67/04C10G2300/202C10G2300/4006C10G2300/4012C10G2300/70
Inventor 赵威全辉姚春雷张志银孙国权刘林东
Owner CHINA PETROLEUM & CHEM CORP
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