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Hydrocracking catalyst and preparation method and application thereof

A hydrocracking and catalyst technology, applied in physical/chemical process catalysts, molecular sieve catalysts, chemical instruments and methods, etc., can solve problems such as low yield of light oil and small pore volume of catalysts

Pending Publication Date: 2021-12-03
PETROCHINA CO LTD +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The catalyst has the advantages of flexible production plan and strong adaptability of raw materials, but its pore volume is small and the yield of light oil is low

Method used

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  • Hydrocracking catalyst and preparation method and application thereof
  • Hydrocracking catalyst and preparation method and application thereof
  • Hydrocracking catalyst and preparation method and application thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0033] (1) Weigh 20 g of Y molecular sieves and add them into the reaction kettle according to the amount that the total weight of the molecular sieves accounts for 50 wt% of the weight of the composite material.

[0034] (2) The solid aluminum sulfate is prepared into 500mL concentration of 20g Al 2 o 3 The aluminum sulfate solution (a) of / L is added the dilute ammonia solution (b) of 10wt% by adding an appropriate amount of deionized water to the concentrated ammonia water, gets the concentrated water glass solution and adds an appropriate amount of deionized water to be diluted into the water glass solution of 72mL 14wt% ( c).

[0035] (3) Add 100mL of deionized water to the reaction kettle and heat it to 75°C, add (a) and (b) at the same time, adjust the pH between 8 and 9 for gelation for 30 minutes, and keep the temperature constant after the feeding is completed , aging for 30min.

[0036] (4) After the aging is completed, add (c) into the aged solution, keep the te...

Embodiment 2

[0042] (1) According to the addition amount of molecular sieve weight totaling 50wt% of composite material weight, Y molecular sieve and β molecular sieve weight ratio is 7:3, respectively weigh 14g Y molecular sieve and 6gβ molecular sieve and add into the reaction kettle.

[0043] (2) The solid aluminum sulfate is prepared into 500mL concentration of 20g Al 2 o 3 The aluminum sulfate solution (a) of / L is added the dilute ammonia solution (b) of 10wt% by adding an appropriate amount of deionized water to the concentrated ammonia water, gets the concentrated water glass solution and adds an appropriate amount of deionized water to be diluted into the water glass solution of 72mL 14wt% ( c).

[0044] (3) Add 100mL of deionized water to the reaction kettle and heat it to 75°C, add (a) and (b) at the same time, adjust the pH between 8 and 9 for gelation for 30 minutes, and keep the temperature constant after the feeding is completed , aging for 30min.

[0045] (4) After the a...

Embodiment 3

[0051] (1) According to the addition amount that the total weight of molecular sieve accounts for 50wt% of the weight of the composite material, and the weight ratio of Y molecular sieve and β molecular sieve is 1:1, weigh 10g of Y molecular sieve and 10g of β molecular sieve into the reaction kettle respectively.

[0052] (2) The solid aluminum sulfate is prepared into 500mL concentration of 20g Al 2 o 3 The aluminum sulfate solution (a) of / L is added the dilute ammonia solution (b) of 10wt% by adding an appropriate amount of deionized water to the concentrated ammonia water, gets the concentrated water glass solution and adds an appropriate amount of deionized water to be diluted into the water glass solution of 72mL 14wt% ( c).

[0053] (3) Add 100mL of deionized water to the reaction kettle and heat it to 75°C, add (a) and (b) at the same time, adjust the pH between 8 and 9 for gelation for 30 minutes, and keep the temperature constant after the feeding is completed , a...

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Abstract

The invention discloses a hydrocracking catalyst containing a Y / beta / ASA composite material and a preparation method and application thereof. The carrier of the catalyst contains a Y / beta / ASA-containing composite material, and active components comprise at least one VIB-group metal and at least one VIII-group metal. A Y molecular sieve, a beta molecular sieve and amorphous silica-alumina are subjected to in-situ compounding to synthesize a Y / beta / ASA-containing composite material with a micropore-mesopore and core-shell coating structure, then the composite material, a binder and an extrusion aid are mixed and kneaded to prepare the carrier, and the carrier is impregnated in an impregnation liquid containing active components to prepare the catalyst. The catalyst has the advantages of large specific surface area, large pore volume, wide pore size range distribution, large infrared acid content, strong raw material adaptability, good cracking activity, high product yield, good product quality and the like, and is suitable for the technical process of producing different target products through hydrocracking reaction.

Description

technical field [0001] The invention relates to a hydrocracking catalyst, in particular to a hydrocracking catalyst containing Y / β / ASA composite material and its preparation method and application. Background technique [0002] With the increasingly stringent environmental protection regulations and fuel oil specifications, and the uneven distribution of oil products in my country and the difficulty in upgrading the quality of oil products, the distribution of oil products has been changed by developing new processes, new catalysts, and optimizing production plans. , Improving the quality of oil products has become the only way for refining and chemical enterprises to achieve efficient development. Hydrocracking technology has the advantages of flexible production schemes, strong adaptability of raw materials, high selectivity of target products, and good product quality. Its importance has become increasingly prominent and its industrial applications have become increasingly...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B01J29/16B01J29/80B01J35/10C10G47/20
CPCB01J29/166B01J29/80C10G47/20B01J29/7815B01J35/615B01J35/633B01J35/635B01J35/647
Inventor 谢方明刘百军许庆峰李海岩张司雨孙发民田宏宇
Owner PETROCHINA CO LTD
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