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Hydrogenation process for producing API III < + > base oil from Fischer-Tropsch synthetic oil

A technology of Fischer-Tropsch synthetic oil and lubricating base oil, which is applied in the fields of hydrotreating process, petroleum industry, hydrocarbon oil treatment products, etc., and can solve the problems that Fischer-Tropsch synthetic oil cannot meet the requirements

Active Publication Date: 2020-07-07
CHINA PETROLEUM & CHEM CORP +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Existing technologies cannot meet the requirements of Fischer-Tropsch synthetic oil hydrogenation to produce special oil products

Method used

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  • Hydrogenation process for producing API III &lt; + &gt; base oil from Fischer-Tropsch synthetic oil
  • Hydrogenation process for producing API III &lt; + &gt; base oil from Fischer-Tropsch synthetic oil
  • Hydrogenation process for producing API III &lt; + &gt; base oil from Fischer-Tropsch synthetic oil

Examples

Experimental program
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Effect test

Embodiment 1

[0043] Such as figure 1 In the process shown, the existing commercial catalyst is selected, the hydrorefining catalyst FF-26 is used in the hydrotreating reaction zone, the hydro-upgrading catalyst FC-14 is used in the hydro-upgrading reaction zone, and the heterogeneous dewaxing reaction zone is used differently. Structure dewaxing catalyst FIW-12. The process conditions and results are shown in Table 2-3.

Embodiment 2

[0045] Process flow like figure 1 Shown. Adjust the upgrading conversion rate, the process conditions and results are shown in Table 2-3.

Embodiment 3

[0047] Process flow like figure 1 Shown. Adjust the upgrading conversion rate, the process conditions and results are shown in Table 2-3.

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Abstract

The invention discloses a hydrogenation process for producing API III < + > lubricating oil base oil from Fischer-Tropsch synthetic oil. The Fischer-Tropsch synthetic oil is used as a raw material, and a hydrofining-hydro-upgrading-isodewaxing two-stage hydrogenation process is adopted to produce API III + lubricating oil base oil. The generated oil obtained by separation of hydrofining-hydro-upgrading reaction effluent enters an isodewaxing reaction zone; and the process further includes separating and fractionating the isodewaxing reaction effluent to obtain different types of API III + lubricating oil base oil products, cooling fractionated vacuum bottom oil to obtain an incompletely converted wax component, and returning the incompletely converted wax component to the hydro-upgrading reactor to continue the upgrading reaction. The invention has the advantages of simple process flow and wide raw material adaptability, and can be suitable for the process of producing special oil products with good stability by Fischer-Tropsch synthesis oil fraction hydrogenation.

Description

Technical field [0001] The invention relates to a Fischer-Tropsch synthetic oil production API Ⅲ + Hydrogenation process of base oil, specifically, a combined hydrogenation process to produce API Ⅲ + The method of lubricating base oil. Background technique [0002] In the Fischer-Tropsch process, syngas (CO+H 2 ) Catalytically converted into products that are basically linear hydrocarbons and oxygen-containing compounds, which can be in gaseous, liquid or solid form. These Fischer-Tropsch synthesis products contain extremely low sulfur, nitrogen, aromatics and cyclic compounds. The Fischer-Tropsch synthetic oil obtained by the Fischer-Tropsch synthesis technology is quite different from conventional petroleum derivatives in terms of hydrocarbon composition and main properties. It is a substance with high wax content, mainly composed of paraffins and It is composed of olefins, with very low sulfur and nitrogen content, and contains a certain amount of oxygen. [0003] Since the in...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C10G67/02
CPCC10G67/02C10G2300/1022C10G2300/4006C10G2300/4012C10G2300/70C10G2400/10
Inventor 孙国权曾榕辉姚春雷全辉方向晨赵威
Owner CHINA PETROLEUM & CHEM CORP
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