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Hydrocracking catalyst for hydrocarbon

A hydrocracking and catalyst technology, applied in physical/chemical process catalysts, molecular sieve catalysts, and aromatic hydrocarbon hydrorefining, etc., can solve the problem of low activity and achieve the effect of improving hydrocarbon hydrocracking activity

Active Publication Date: 2005-08-31
CHINA PETROLEUM & CHEM CORP +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0021] The purpose of the present invention is to provide a new high-activity hydrocarbon hydrocracking catalyst for the shortcomings of the existing ZSM-5 zeolite-containing catalysts that have low activity when used in hydrocarbon hydrocracking reactions

Method used

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Examples

Experimental program
Comparison scheme
Effect test

preparation example Construction

[0045] The preparation method of the catalyst provided by the present invention comprises the steps of combining said zeolite with a confinement index not less than 1, a zeolite selected from mordenite, Y-type zeolite, amorphous silica-alumina, alumina chloride, ZSM-4 and The acidic catalytic components of ZSM-20 are mixed under conditions sufficient to deposit on the mixture at least one iron, cobalt or nickel of group VIII and at least one molybdenum or tungsten metal component selected from group VIB, The mixture is contacted with a solution containing at least one iron, cobalt or nickel of group VIII and at least one molybdenum or tungsten metal compound selected from group VIB, prepared for example by ion exchange, impregnation, co-precipitation or the like.

[0046] The metal compound containing the iron, cobalt and nickel of Group VIII is selected from one or more of the soluble compounds of these metals, such as they can be nitrates, acetates, soluble carbonates, chlori...

example 1

[0058] This example illustrates the preparation and properties of a high-silica zeolite with a five-membered ring structure containing a rare earth.

[0059] Prepare REY and REHY seed crystals according to Example 1 in CN1020269C, and prepare high-silica zeolite containing rare earth five-membered ring structure according to Example 4 in CN1020269C to obtain high-silica zeolite Z1 containing rare earth five-membered ring structure. The composition of the rare earth-containing five-membered ring structure silicalite Z1 is listed in Table 3. The n-hexane adsorption amount and cyclohexane adsorption amount and the weight ratio of n-hexane adsorption amount to cyclohexane adsorption amount are listed in Table 4. The main X-ray diffraction lines of the rare earth-containing five-membered ring structure silicalite Z1 are listed in Table 5.

[0060] Wherein, sodium oxide content adopts atomic absorption spectrometry to measure. Rare earth oxide, alumina and silica contents were det...

example 2

[0069] This example illustrates the preparation and properties of a high-silica zeolite with a five-membered ring structure containing a rare earth.

[0070] Prepare REY and REHY seed crystals according to Example 1 in CN1020269C, and prepare high-silica zeolite containing rare earth five-membered ring structure according to Example 12 in CN1020269C to obtain high-silica zeolite Z2 containing rare earth five-membered ring structure. The composition of the rare earth-containing five-membered ring structure silicalite Z2 is listed in Table 3. The n-hexane adsorption amount and cyclohexane adsorption amount and the weight ratio of n-hexane adsorption amount to cyclohexane adsorption amount are listed in Table 4. The main X-ray diffraction lines of the rare earth-containing five-membered ring structure silicalite Z2 are listed in Table 5.

[0071] example

[0072] * RE 2 o 3 Represents rare earth oxides, wherein lanthanum oxide accounts for 26% by weight of the total...

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Abstract

A catalyst for hydrocracking hydrocarbon contains a high-Si zeolite with RE pentacycle structure, an acidic catalyzing component chosen from mordenite, Y zeolite, amorphous silicon oxide-alumina, aluminium chloride oxide, ZSM-4 and ZSM-20, at least one of Fe, Co and Ni, and at least one of Mo and W. Its advantage is high hydrocracking activity.

Description

technical field [0001] The present invention relates to a hydrocarbon hydrocracking catalyst. Background technique [0002] In recent years, the trend of heavy and inferior crude oil has become increasingly obvious around the world. At the same time, the demand for high-quality gasoline, kerosene and diesel has continued to increase, which has prompted the production of high-quality gasoline, kerosene and diesel using heavy hydrocarbon oil as raw materials The purpose of hydrocracking technology has been developed rapidly, and hydrocracking catalyst is one of the most important and key factors. [0003] Hydrocracking catalyst is a dual-functional catalyst, which has cracking activity and hydrogenation activity at the same time, that is, it contains acidic components and hydrogenation active components at the same time, and its acidity is mainly composed of heat-resistant inorganic oxides and / or various A zeolite is provided; the hydrogenation acti...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B01J29/06C10G45/54
Inventor 董松涛史建文辛靖聂红
Owner CHINA PETROLEUM & CHEM CORP
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