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Process for increasing production of benzene from hydrocarbon mixture

A technology of hydrocarbon mixture and yield, which is applied in the direction of hydrocarbon oil treatment products, hydrocarbon oil cracking, refined hydrocarbon oil, etc., can solve the problem of not raising aromatic hydrocarbons, and achieve the effect of increasing yield

Inactive Publication Date: 2008-06-25
SK ENERGY CO LTD (KR)
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, no method has been proposed to combine competing methods to increase the yield of aromatics, especially benzene

Method used

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  • Process for increasing production of benzene from hydrocarbon mixture
  • Process for increasing production of benzene from hydrocarbon mixture

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1 and comparative example 1、2

[0056] It is necessary to determine the yield of the separate process and the combined process of the present invention, therefore, tests were performed in the following examples.

Embodiment 1

[0069] The yield of the combined process using pyrolysis gasoline as a raw material as shown in Figure 1 was tested, and the results are shown in Table 3.

[0070] table 3

[0071] Solvent extraction

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Abstract

Disclosed herein is a process for increasing the production of benzene from a hydrocarbon mixture. A process for producing an aromatic hydrocarbon mixture and LPG from a hydrocarbon mixture, and a solvent extraction process for separating and recovering polar hydrocarbons from a hydrocarbon mixture containing polar hydrocarbons (that is, aromatic hydrocarbons) and nonpolar hydrocarbons (that is, non-aromatic hydrocarbons) are integrated, thereby it is possible to increase the production of benzene.

Description

Technical field [0001] The present invention relates to a method for increasing the yield of benzene prepared from a hydrocarbon mixture. More specifically, the present invention relates to a method for improving the yield of benzene by combining the process of preparing an aromatic hydrocarbon mixture and liquefied petroleum gas (LPG) from a hydrocarbon mixture with a solvent extraction process for separating and recovering polar hydrocarbons from the hydrocarbon mixture. Methods. Background technique [0002] Generally, aromatic hydrocarbons are separated from non-aromatic hydrocarbons by solvent extraction method to separate raw material fractions rich in aromatic compounds (such as reformed oil made by catalytic reforming process and pyrolysis gasoline made by naphtha cracking process). obtain. The aromatic hydrocarbon mixture thus obtained is separated into benzene, toluene, xylene, and C9+ aromatic compounds according to different boiling points to be used as basic petroche...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C10G7/08
CPCC10G45/58C10G2400/30C10G61/08C10G45/64C10G45/68C10G67/16C10G21/00C10G47/18C10G21/27C10G2400/28C10G47/00C10G35/095C07C7/10C10G7/08
Inventor 崔先吴承勋成京学李宗炯姜信喆金容昇林炳秀张炳武
Owner SK ENERGY CO LTD (KR)
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