A kind of hydrocracking catalyst and its preparation method and application

A hydrocracking and catalyst technology, applied in physical/chemical process catalysts, molecular sieve catalysts, chemical instruments and methods, etc., can solve the problem that the yield of light oil with product density cannot meet the requirements, and the yield of light fuel oil is low, etc. problems, to achieve high selectivity, good activity stability, and improve the effect of comprehensive performance
CN108714433BActive Publication Date: 2020-10-30BEIJING GAOXIN LIHUA TECH CO LTD +2
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
BEIJING GAOXIN LIHUA TECH CO LTD
Publication Date
2020-10-30

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Abstract

The invention discloses a hydrocracking catalyst as well as a preparation method and the application thereof. The hydrocracking catalyst comprises a carrier, active ingredients and aids, wherein the carrier comprises the following components in percentage by weight: 2-30% of a Y molecular sieve, 2-30% of a beta molecular sieve, 50-70% of porous alumina and 1-12% of modified clay. The hydrocrackingcatalyst disclosed by the invention is applied to high temperature coal tar hydrogenation for preparing diesel components, and has the advantages of high selectivity, high activity, high stability, high light oil yield, high diesel yield, excellent quality and the like.
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Description

technical field

[0001] The invention belongs to the technical field of catalysts, and specifically relates to a hydrocracking catalyst and its preparation method and application, in particular to a hydrocracking catalyst for high-temperature coal tar hydrogenation to produce diesel oil and its preparation method. Background technique

[0002] China is rich in coal resources, and the clean utilization of coal resources has become an urgent problem to be solved. In the high-temperature dry distillation or gasification of coal, a by-product-coal tar will be obtained. According to the different pyrolysis temperature of coal, its by-products are mainly divided into: low-temperature (450-650°C) coal tar, medium-temperature (600-800°C) Coal tar, high temperature (900 ~ 1000 ℃) coal tar. The output of coal tar in China is relatively large. As of 2016, the output of coal tar is more than 25 million tons, and the output is increasing year by year.

[0003] The composition of coal ta...

Claims

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