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Catalyst used for hydro-conversion of hydrocarbon

A hydrogenation conversion and catalyst technology, applied in physical/chemical process catalysts, molecular sieve catalysts, metal/metal oxide/metal hydroxide catalysts, etc., can solve the problem of low selectivity in isomerization reactions and achieve selectivity Improvement, high reactivity effect

Active Publication Date: 2010-10-27
CHINA PETROLEUM & CHEM CORP +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] Although the catalyst containing partially amorphous Y-type zeolite has high reactivity to hydrocarbons, its isomerization reaction selectivity is still low

Method used

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  • Catalyst used for hydro-conversion of hydrocarbon
  • Catalyst used for hydro-conversion of hydrocarbon
  • Catalyst used for hydro-conversion of hydrocarbon

Examples

Experimental program
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Effect test

example 1

[0051] Get 50 grams of phosphorus-containing USY zeolite (produced by Changling Catalyst Factory, phosphorus content is 1.6% by weight, unit cell is 24.50 angstroms, crystallinity is 88%, sodium oxide content is 0.8% by weight), under stirring at 95 ℃ with 500 Milliliter ammonium chloride content is 8% by weight aqueous solution exchange 1 hour, filter, wash 3 times with 10 times (weight) deionized water, dry 4 hours at 120 ℃, obtain the USY zeolite A that sodium oxide content is 0.3% by weight .

[0052] Take 50 grams of USY zeolite A, and treat it with 100% (water vapor pressure: 1.5 atmospheric pressure) steam at 770° C. for 2 hours to obtain partially amorphous phosphorus-containing Y-type zeolite PY-1. Its crystallinity, unit cell constant, specific surface area and phosphorus content are listed in Table 1.

example 2

[0054] Take 50 g of zeolite A obtained in Example 1, and treat it with 100% steam (water vapor pressure: 1.3 atmosphere) at 745° C. for 2 hours to obtain partially amorphous phosphorus-containing Y-type zeolite PY-2. Its crystallinity, unit cell constant, specific surface area and phosphorus content are listed in Table 1.

example 3

[0056] Get 50 grams of phosphorus-containing USY zeolite (produced by Changling Catalyst Factory, phosphorus content is 3.5% by weight, unit cell is 24.48 angstroms, crystallinity is 86%, sodium oxide content is 1.0% by weight), under stirring at 95 ℃ with 500 Milliliter ammonium chloride content is 8% by weight aqueous solution exchange 1 hour, filter, wash 3 times with 10 times (weight) deionized water, dry 4 hours at 120 ℃, obtain the USY zeolite B that sodium oxide content is 0.3% by weight .

[0057] Take 50 grams of USY zeolite B and treat it with 100% steam (water vapor pressure: 1.2 atmosphere) at 730° C. for 6 hours to obtain partially amorphous phosphorus-containing Y-type zeolite PY-3. Its crystallinity, unit cell constant, specific surface area and phosphorus content are listed in Table 1.

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Abstract

The invention provides a catalyst used for the hydro-conversion of a hydrocarbon. The catalyst comprises at least two types of silicon oxide-aluminum oxide of which the difference value of an N value is between 0.02 and 0.2, Y type zeolite of which the degree of crystallization is 60 percent, at least one type of VIB family metal component and at least one type of VIII family metal component, wherein based on the catalyst, the silicon oxide-aluminum oxide accounts for 1 to 75 weight percent and the Y type zeolite accounts for 0.1 to 65 weight percent; based on the oxide, the VIB family metal component accounts for 5 to 40 weight percent and the VIII family metal component accounts for 1 to 15 weight percent; and N=P1 / P2, wherein P1 is the peak area of place of which the chemical shift is 60+ / -0.1-0.2 ppm in a solid 27Al NMR spectrogram of the silicon oxide-aluminum oxide and P2 is the peak area of a place of which the chemical shift is 5+ / -0.1-0.2 ppm in the solid 27Al NMR spectrogram of the silicon oxide-aluminum oxide. Compared with conventional catalysts, the catalyst provided by the invention has higher selectivity of isomerization reaction and higher hydrocarbon oil hydro-conversion activity.

Description

technical field [0001] The present invention relates to a hydrocarbon hydroconversion catalyst. Background technique [0002] The hydrocarbon hydroconversion catalyst is a dual-function catalyst, which has cracking / isomerization activity and hydrogenation activity at the same time. Its cracking / isomerization activity is mainly provided by the matrix constituting the support and / or the acids contained in various molecular sieves, and the hydrogenation activity is provided by metals, metal oxides and / or metal sulfides selected from the VIB and VIII groups of the periodic table things provided. By adaptively adjusting the acidic components and hydrogenation active components in the catalyst, the distribution of hydrocracking / isomerization products can be controlled. For example, for hydrocarbon hydroconversion catalysts for the purpose of producing middle distillates, the prior art usually achieves the purpose of both catalyst activity and selectivity by adjusting the amount ...

Claims

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Application Information

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IPC IPC(8): B01J21/12B01J23/24B01J29/10C10G49/08
Inventor 辛靖董松涛曾双亲李明丰聂红王奎胡志海
Owner CHINA PETROLEUM & CHEM CORP
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