Looking for breakthrough ideas for innovation challenges? Try Patsnap Eureka!

A kind of y/zrO2 composite material synthesized by directing agent method and preparation method thereof

A composite material and directing agent technology, which is applied in the direction of zirconia, octahedral crystalline aluminosilicate zeolite, crystalline aluminosilicate zeolite, etc., can solve the problem that the pore structure and acidity adjustment are difficult to achieve expectations, the catalyst performance optimization is limited, and the catalyst Performance regulation limitations and other issues

Active Publication Date: 2018-04-06
PETROCHINA CO LTD +1
View PDF4 Cites 0 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, in order to ensure the anti-wear performance of the FCC catalyst, the proportion of molecular sieve in the catalyst is limited
At the same time, the pore structure and acidity adjustment of the FCC catalyst support are also difficult to meet expectations, and the degree of optimization of the final catalyst performance is limited
The determination of chemical composition and pore structure limits the regulation of catalyst performance, and it is difficult to adapt to the demand for raw materials with changing properties

Method used

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
View more

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0032] This embodiment provides a Y / ZrO 2 Composite materials, the specific preparation method is as follows:

[0033] (1) Sodium hydroxide and zirconium oxychloride were mixed and ground for 10 minutes at a molar ratio of 4:1 to obtain a zirconium dioxide precursor;

[0034] (2) Dilute sodium hydroxide, sodium metaaluminate, silica sol and deionized water by Na 2 O: Al 2 o 3 : SiO 2 :H 2 O=18:1:14:200 molar ratio mixing, stirring for 40 minutes, and standing at room temperature for 24 hours to prepare the directing agent;

[0035] (3) At room temperature, mix the above-mentioned zirconium dioxide precursor with sodium hydroxide, sodium metaaluminate, aluminum sulfate, silica sol and deionized water according to Na 2 O: Al 2 o 3 : SiO 2 : ZrO 2 :H 2 The molar ratio of O=3:1:8:2:150 is fed, and the directing agent (total Al provided by sodium metaaluminate and aluminum sulfate is added at the same time) 2 o 3 In terms of mass, the amount of directing agent added is...

Embodiment 2

[0039] This embodiment provides a Y / ZrO 2 Composite materials, the specific preparation method is as follows:

[0040] (1) Sodium hydroxide and zirconium oxychloride were mixed and ground for 20 minutes at a molar ratio of 3:1 to obtain a zirconium dioxide precursor;

[0041] (2) Dilute sodium hydroxide, sodium metaaluminate, water glass and deionized water by Na 2 O: Al 2 o 3 : SiO 2 :H 2 O=15:1:16:350 molar ratio mixing, stirring for 90 minutes, and standing at room temperature for 18 hours to prepare the directing agent;

[0042] (3) At room temperature, mix the above-mentioned zirconium dioxide precursor with sodium hydroxide, sodium metaaluminate, aluminum sulfate, water glass and deionized water according to Na 2 O: Al 2 o 3 : SiO 2 : ZrO 2 :H 2 The molar ratio of O=5:1:8.5:1:100 is fed, and the directing agent (total Al provided by sodium metaaluminate and aluminum sulfate is added at the same time) 2 o 3 In terms of mass, the amount of directing agent adde...

Embodiment 3

[0046] This embodiment provides a Y / ZrO 2 Composite materials, the specific preparation method is as follows:

[0047] (1) Sodium hydroxide and zirconium oxychloride were mixed and ground for 20 minutes at a molar ratio of 4:1 to obtain a zirconium dioxide precursor;

[0048] (2) Dilute sodium hydroxide, sodium metaaluminate, silica sol and deionized water by Na 2 O: Al 2 o 3 : SiO 2 :H 2 O=16:1:19:270 molar ratio mixing, stirring for 60 minutes, and standing at room temperature for 24 hours to prepare the directing agent;

[0049] (3) At room temperature, mix the above-mentioned zirconium dioxide precursor with sodium hydroxide, sodium metaaluminate, aluminum sulfate, silica sol and deionized water according to Na 2 O: Al 2 o 3 : SiO 2 : ZrO 2 :H 2 The molar ratio of O=7.5:1:7.5:0.5:180 is fed, and the directing agent (total Al provided by sodium metaaluminate and aluminum sulfate is added at the same time) 2 o 3 In terms of mass, the amount of directing agent ad...

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

PUM

PropertyMeasurementUnit
particle sizeaaaaaaaaaa
specific surface areaaaaaaaaaaa
particle sizeaaaaaaaaaa
Login to View More

Abstract

The invention provides a Y / ZrO2 composite material synthesized through a guiding agent process and a preparation method of same. The method includes the following steps: adding a ZrO2 precursor ZrOx(OH)y (0 <= x <= 2 and 0 <= y <= 4) into a hydrothermal synthesis system which is used for preparing a Y-type molecular sieve through the guiding agent process, and performing crystallization so that the ZrO2 and the Y-type molecular sieve grow and crystallize together, thereby finally producing the Y / ZrO2 composite material. By means of the method, the Y / ZrO2 composite material has the porous advantage of mesoporous materials and strong acidity and high hydrothermal stability of microporous molecular sieves at the same time, and due to the advantages hereinabove, the composite material has strong practical application value in industrial catalysis field. The composite material is especially suitable for preparing a catalytic cracking catalyst or a hydrocracking catalyst.

Description

technical field [0001] The invention belongs to the technical field of solid composite materials, in particular to Y / ZrO synthesized by a directing agent method 2 Composite materials and methods for their preparation. Background technique [0002] Catalytic cracking (FCC) is one of the most important means of lightening heavy oil in the oil refining industry, and it is also the secondary processing process of crude oil with the largest amount of catalyst. In the course of nearly 80 years of development, catalytic cracking (FCC) catalysts are composed of silicon-alumina as the main element, and its pore structure is mainly composed of micropores provided by Y-type molecular sieves and a small amount of irregular mesopores endowed by the carrier. The determination of chemical composition and pore structure restricts the regulation of catalyst performance, and it is difficult to adapt to the demand for raw materials with changing properties. Especially since the 1990s, the he...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

Application Information

Patent Timeline
no application Login to View More
Patent Type & Authority Patents(China)
IPC IPC(8): C01G25/02C01B39/24
CPCC01B39/24C01G25/02C01P2004/62C01P2006/12C01P2006/14
Inventor 刘欣梅刘万荣刘龙妹阎子峰
Owner PETROCHINA CO LTD
Who we serve
  • R&D Engineer
  • R&D Manager
  • IP Professional
Why Patsnap Eureka
  • Industry Leading Data Capabilities
  • Powerful AI technology
  • Patent DNA Extraction
Social media
Patsnap Eureka Blog
Learn More
PatSnap group products

Browse by: Latest US Patents, China's latest patents, Technical Efficacy Thesaurus, Application Domain, Technology Topic, Popular Technical Reports.

© 2024 PatSnap. All rights reserved.Legal|Privacy policy|Modern Slavery Act Transparency Statement|Sitemap|About US| Contact US: help@patsnap.com