Supercharge Your Innovation With Domain-Expert AI Agents!

A method for efficient preparation of pao40 base oil

A base oil and high-viscosity base oil technology, applied in the field of chemical synthesis, to achieve the effects of saving production costs, good lubrication performance, and improving production energy efficiency

Active Publication Date: 2020-08-04
安徽欧勒奋生物科技有限公司 +1
View PDF3 Cites 0 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

These oils are refined through traditional refining techniques

Method used

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
View more

Image

Smart Image Click on the blue labels to locate them in the text.
Viewing Examples
Smart Image
  • A method for efficient preparation of pao40 base oil
  • A method for efficient preparation of pao40 base oil
  • A method for efficient preparation of pao40 base oil

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0049] Put 150g of aluminum trichloride, 120g of 15% triisobutylaluminum hexane solution, and 5800g of refined waste lubricating oil into the polymerization kettle, adjust the reaction temperature in the kettle to 40°C, and add 35g of benzoyl peroxide; Polymerization reaction, the reaction time is 1h, and a high-viscosity crude product is obtained.

[0050] Part of the catalyst was removed by filtration, washed with 60% sodium hydroxide aqueous solution, and the aluminum trichloride was neutralized until the pH of the solution was neutral, and the remaining was put into a rotary evaporator for vacuum distillation.

[0051] The vacuum distillation product is pressurized and mixed with hydrogen, and directly enters the device equipped with a hydrogenation catalyst. The feed temperature is 260°C, the hydrogen partial pressure is 15MPa, and the volume space velocity is about 0.5h -1 , The volume ratio of hydrogen to oil is 500:1, and the new PAO40 base oil is obtained through hydr...

Embodiment 2

[0053] Put 150g of aluminum trichloride, 25g of triisobutylaluminum, and 6000g of refined waste lubricating oil (low viscosity PAO≈4-6) into the polymerization kettle, adjust the reaction temperature in the kettle to 60°C, and add 25g of benzene peroxide Formyl, a polymerization reaction occurs, the reaction time is 1.5h, and a high-viscosity crude product is obtained.

[0054] Part of the catalyst was removed by filtration, washed with 40% sodium hydroxide aqueous solution, and the aluminum trichloride was neutralized until the pH of the solution was neutral, and the remaining was put into a rotary evaporator for vacuum distillation.

[0055] The vacuum distillation product is pressurized and mixed with hydrogen, and directly enters the device equipped with a hydrogenation catalyst. The feed temperature is 240°C, the hydrogen partial pressure is 18MPa, and the volume space velocity is about 0.5h -1 , The volume ratio of hydrogen to oil is 400:1, and the new PAO45 base oil is ...

Embodiment 3

[0057]Put 150g of aluminum trichloride, 45g of 96% triisobutylaluminum, and 6200g of refined waste lubricating oil (medium viscosity PAO≈10-12) into the polymerization kettle, adjust the reaction temperature in the kettle to 50°C, and add 15g of over Bis(2,4-dichlorobenzoyl) was oxidized, and a polymerization reaction occurred. The reaction time was 0.5h, and a high-viscosity crude product was obtained.

[0058] Part of the catalyst was removed by filtration, washed with 60% sodium hydroxide aqueous solution, and the aluminum trichloride was neutralized until the pH of the solution was neutral, and the remaining was put into a rotary evaporator for vacuum distillation.

[0059] The vacuum distillation product is pressurized and mixed with hydrogen, and directly enters the device equipped with a hydrogenation catalyst. The feed temperature is 260°C, the hydrogen partial pressure is 15MPa, and the volume space velocity is about 0.5h -1 , The volume ratio of hydrogen to oil is 50...

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

PUM

PropertyMeasurementUnit
boiling pointaaaaaaaaaa
Login to View More

Abstract

The invention provides an efficient preparation method of PAO40 base oil. The efficient preparation method is characterized by comprising the following steps: after refining waste lubricating oil, taking peroxide as an initiator to react for reaction time less than 1.5h under the action of a catalyst and a co-catalyst, so as to synthesize the high-viscosity base oil. According to the efficient preparation method provided by the invention, the waste lubricating oil is recycled and is refined and processed again, so that the PAO40 base oil can be efficiently prepared; the efficient preparation method is economical and environmentally friendly.

Description

technical field [0001] The invention relates to the field of chemical synthesis, in particular to a method for preparing base oil, and more specifically to a method for efficiently preparing PAO40 base oil. [0002] technical background [0003] Base oils, which are derived from crude oil, contain a large number of chemicals. Most of these mixtures are aromatic compounds and paraffin carbon compounds (components in lubricating oil whose viscosity changes rapidly with temperature) structure, these substances reduce the properties of the base oil, and the polycyclic aromatic hydrocarbons are carcinogenic and harmful to the environment . [0004] The fully synthetic PAO base oils have outstanding oxidation stability because they are completely isomerized paraffins, and there are no aromatic compounds and paraffin hydrocarbons (components in lubricating oils whose viscosity changes sharply with temperature) structure. Because PAO has excellent oxidation and thermal stability, i...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

Application Information

Patent Timeline
no application Login to View More
Patent Type & Authority Patents(China)
IPC IPC(8): C10M175/00C10M107/02C10N20/02
CPCC10M107/02C10M175/00C10N2020/02
Inventor 李福清陈佩文刘晨斌
Owner 安徽欧勒奋生物科技有限公司
Features
  • R&D
  • Intellectual Property
  • Life Sciences
  • Materials
  • Tech Scout
Why Patsnap Eureka
  • Unparalleled Data Quality
  • Higher Quality Content
  • 60% Fewer Hallucinations
Social media
Patsnap Eureka Blog
Learn More

Browse by: Latest US Patents, China's latest patents, Technical Efficacy Thesaurus, Application Domain, Technology Topic, Popular Technical Reports.

© 2025 PatSnap. All rights reserved.Legal|Privacy policy|Modern Slavery Act Transparency Statement|Sitemap|About US| Contact US: help@patsnap.com