Resin catalyst for light gasoline etherification and preparation method thereof

A catalyst and light gasoline technology, applied in the direction of physical/chemical process catalysts, chemical instruments and methods, organic compounds/hydrides/coordination complex catalysts, etc., can solve regeneration difficulties, easy loss of active acid components, and low-temperature activity Poor problems, to achieve the effect of enhanced energy non-uniformity, excellent low-temperature reactivity and selectivity, and improved poisoning resistance

Active Publication Date: 2014-04-02
KAIRUI ENVIRONMENTAL PROTECTION TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0008] The catalysts used in the above patents and known technologies have to some extent the disadvantages of poor low-temperature activity, easy loss of active acid components, and difficult regeneration.

Method used

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  • Resin catalyst for light gasoline etherification and preparation method thereof
  • Resin catalyst for light gasoline etherification and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0029] In the reactor, add 100 parts by weight of D001 strongly acidic macroporous cation exchange resin under stirring, add 200 parts by weight of dehydrated alcohol, add 10 parts by weight of concentrated sulfuric acid of 98% mass concentration, and then add 2 parts by weight of N -Methylimidazole participates in the reaction, and the feeding temperature is controlled at 0°C. After the feeding is completed, the temperature is raised to 45°C, and the reaction is carried out for 4 hours. After the reaction, the product is washed until neutral, and a qualified product is obtained. The resulting product number was KRB-1.

Embodiment 2

[0031] Replace D001 strongly acidic macroporous cation exchange resin with D006 strongly acidic macroporous cation exchange resin, and the others are the same as in Example 1. The resulting product number is KRB-2.

Embodiment 3

[0033] The part by weight that adds the vitriol oil of 98% mass concentration is 20 parts, and other is with embodiment 1. The resulting product number was KRB-3.

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PUM

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Abstract

The invention provides a resin catalyst for light gasoline etherification. Trifluoromethyl imidazole bisulfate ionic liquid is immobilized by using strongly acidic macroporous cation exchange resin prepared by a chemical bonding effect, and the catalyst has the following structural formula, wherein PS is a strongly acidic macroporous cation exchange resin skeleton. The resin catalyst has a strong adsorption function, so that the energy non-uniformity on the surface of a solid is enhanced; and the catalyst is beneficial to the protonation process of iso-olefin, and quickens etherification reaction. The resin catalyst also has excellent low-temperature reaction activity and selectivity, side reaction is reduced, and the pollution resistance and the poisoning resistance of the catalyst are remarkably improved at the same time. The invention also provides a preparation method for the resin catalyst.

Description

technical field [0001] The present invention relates to a kind of production ion exchange resin, especially a kind of light gasoline etherification resin catalyst, and its preparation method. Background technique [0002] Light gasoline etherification technology is to react C5~C7 active olefins in gasoline stabilized by catalytic cracking unit with methanol to form corresponding ethers, thereby reducing the content of olefins in gasoline. The octane number of gasoline after etherification can be increased by 1~3 units. Through the etherification unit, methanol with lower price can be converted into high value-added gasoline products through etherification, which improves the economic benefits of the refinery. Light gasoline etherification technology mainly includes: separation of light and heavy gasoline, selective hydrogenation, catalytic etherification, product separation, methanol recovery and other processes. [0003] BP Petroleum Company's etherification technology us...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B01J31/08C10G29/22
Inventor 王金明张勇
Owner KAIRUI ENVIRONMENTAL PROTECTION TECH
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