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Adsorption extractive preparation in use for refining solvent in use for base oil of lubricating oil

A lubricating oil base oil, solvent refining technology, applied in the direction of refined hydrocarbon oil, petroleum industry, etc., can solve the problems of difficult filtration, unusable, increased filtration resistance, etc.

Inactive Publication Date: 2007-07-25
涿州贝尔森生化科技发展有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the adsorbent mentioned in this process will form a mucous membrane substance with the complex in actual use, which increases the filtration resistance, makes filtration difficult, and cannot be applied.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1-6

[0017] The adsorption refining agent was added according to the addition ratio specified in Table 2. The type of raw oil and the test results are listed in Table 1. After the raw oil passes through the outlet of the electro-refinement settling tank, it is mixed and stirred with the adsorption refining agent at 85°C for 30 minutes, and filtered to obtain the refined oil. The raw material base nitrogen is base oil base nitrogen before complex denitrification.

[0018] Table 2

[0019] project

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PUM

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Abstract

This invention relates to an adsorption-refinery agent for solvent refinery of base oil for lubricating oil. The adsorption-refinery agent is mainly composed of porous substances such as aluminum oxide and silicon oxide, and has a network skeleton crystal structure (an Al- octahedron layer sandwiched in two Si-O tetrahedron layers), and a defect structure caused by solvent modification. The adsorption-refinery agent, when used after refinery and denitrogenation of base oil, can effectively remove residual nitrogen in base oil, thus can increase the oil yield and filtration efficiency, and lower the filtration temperature.

Description

technical field [0001] The invention belongs to the field of petroleum refining, and relates to an adsorption refining preparation used in the solvent refining of lubricating oil base oil, which can be used after the liquid-phase complexation denitrification process, and can effectively absorb the denitrification residue to play the role of adsorption, auxiliary It has the advantages of small dosage, low application temperature and less waste residue discharge. Background technique [0002] At present, liquid-phase complexation denitrification process is generally used in the refining of lubricating oil base oils in various refineries in my country to remove non-ideal components such as basic nitrogen compounds in lubricating oil base oils. Although the denitrified oil passes through the electro-sedimentation separation tank, most of the complexes are separated. However, some complexes remain in the oil and must be removed. The currently adopted method is to use 1-2% white...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C10G25/00
Inventor 许乐新许意成靳国民高明王国清张庆玲章莉梁明华
Owner 涿州贝尔森生化科技发展有限公司
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