Hydrocracking catalyst carrier as well as preparation method and application thereof

A catalyst carrier, hydrocracking technology, applied in the direction of catalyst carrier, catalyst activation/preparation, physical/chemical process catalyst, etc. Good thermal conductivity, improving acidity and reducing dosage

Pending Publication Date: 2020-09-22
BC P INC CHINA NAT PETROLEUM CORP +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The acid centers of the Y-type molecular sieve obtained by the above method are reduced, and the crystallinity decreases, and a large amount of non-skeleton aluminum is contained in the molecular sieve, so that the activity of the hydrocracking catalyst containing this Y-type molecular sieve is not high.

Method used

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  • Hydrocracking catalyst carrier as well as preparation method and application thereof
  • Hydrocracking catalyst carrier as well as preparation method and application thereof
  • Hydrocracking catalyst carrier as well as preparation method and application thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0048] This embodiment provides a method for preparing a hydrocracking catalyst carrier, the method comprising:

[0049] 1. Put 200.06g of industrial pseudo-boehmite in a muffle furnace, raise the temperature to 600°C at a rate of 4°C / min, and roast for 4 hours to obtain activated alumina.

[0050] 2. Put 120.51g of water glass in a beaker, control the temperature in the beaker to 60°C, add 80g of guiding agent and 220.23g of deionized water, and then add 100g of activated alumina, and mix well to obtain a raw material mixture. Among them, guiding The agent is prepared according to the method provided in Example 1 of CN1785808A.

[0051] 3. Put the raw material mixture into a stainless steel reaction kettle, crystallize at 100°C for 4 hours, then filter, wash and dry to obtain a Y-type zeolite / alumina composite material.

[0052] 4. Weigh 300g Y-type zeolite / alumina composite material, add it to 3000g ammonium nitrate solution (concentration: 0.1mol / L), and perform ion exchan...

Embodiment 2

[0058] This embodiment provides a method for preparing a hydrocracking catalyst carrier, the method comprising:

[0059] 1. Put 500.10g of expanded perlite in a muffle furnace, raise the temperature to 700°C at a rate of 4°C / min, and roast for 4 hours to obtain activated alumina.

[0060] 2. Put 140.84g of water glass in a beaker, control the temperature in the beaker to 60°C, add 130.25g of directing agent and 150g of deionized water, then add 200.7g of activated alumina, stir for 3 hours, and mix well to obtain a raw material mixture , wherein the preparation method of the directing agent is the same as in Example 1.

[0061] 3. Put the raw material mixture into a stainless steel reaction kettle, crystallize at 100°C for 72 hours, then filter, wash and dry to obtain a Y-type zeolite / alumina composite material.

[0062] 4. Weigh 300g Y-type zeolite / alumina composite material, add it to 3000g ammonium chloride solution, perform ion exchange in a 90°C water bath for 1h, suctio...

Embodiment 3

[0068] This embodiment provides a preparation method of a hydrocracking catalyst carrier, which is basically the same as the preparation method provided in Example 1, the difference being that the crystallization time of step 3 is 32 hours, and the obtained hydrocracking catalyst carrier Denoted as sample A-3.

[0069] Sample A-3 was characterized by XRD, and the obtained XRD diffraction spectrum was similar to that obtained in Example 1. Sample A-3 has characteristic peaks of Y-type molecular sieves.

[0070] According to the results of XRD scanning, the measured crystallinity of sample A-3 is 15%, SiO 2 / Al2 o 3 The molar ratio is 8.36; the specific surface area of ​​sample A-3 measured by BET method is 419m 2 / g, the total pore volume is 0.468cm 3 / g, the mesopore volume of sample A-3 measured by BJH method is 0.325cm 3 / g, and the peaks of mesoporous pore size distribution are at 3.8nm and 9.2nm.

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Abstract

The invention provides a hydrocracking catalyst carrier as well as a preparation method and application thereof. The hydrocracking catalyst carrier is prepared from an ammonium fluosilicate modified Y-type zeolite / aluminum oxide composite material, and the ammonium fluosilicate modified Y-type zeolite / aluminum oxide composite material is prepared from activated aluminum oxide, a guiding agent, a silicon source and water through mixing, hydrothermal crystallization and ammonium fluosilicate modification. The invention also provides the preparation method of the hydrocracking catalyst carrier. The invention further provides the application of the hydrocracking catalyst carrier in heavy oil hydrocracking. The hydrocracking catalyst carrier provided by the invention is suitable for treating raw materials of macromolecules and heavy oil products, shows excellent performance in the aspects of improving the macromolecule conversion probability and the like, and can improve the level of a hydrocracking catalyst.

Description

technical field [0001] The invention relates to the technical field of hydrocracking, in particular to a hydrocracking catalyst carrier and its preparation method and application. Background technique [0002] As the quality of crude oil becomes heavier and worse year by year, environmental protection regulations become increasingly strict, and the market demand for clean oil products continues to grow, making hydrogenation technology for the production of clean fuels more and more widely used. In the secondary processing technology of crude oil, distillate oil hydrocracking technology has the characteristics of strong adaptability of raw materials, high flexibility of production operation and product plan, and good product quality. It can directly convert various heavy and low-quality raw materials into High-quality jet fuel, diesel, lubricating oil base materials, chemical naphtha and tail oil steam cracking ethylene raw materials, etc., play the role of product distributi...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B01J29/08B01J21/04B01J32/00B01J35/10B01J37/10B01J37/30B01J37/00B01J29/16C10G47/20
CPCB01J29/084B01J21/04B01J37/10B01J37/30B01J37/0018B01J29/166B01J23/002C10G47/20C10G2300/1037C10G2400/04B01J2229/183B01J2229/186B01J35/615B01J35/633B01J35/635B01J35/647
Inventor 申宝剑曾鹏晖孙发民李海岩郭巧霞谢方明姜维张铁珍
Owner BC P INC CHINA NAT PETROLEUM CORP
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