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

a tio 2 Sols and catalytic cracking catalysts and methods for their preparation

A technology of sol and acid solution, which is applied in the direction of metal/metal oxide/metal hydroxide catalyst, physical/chemical process catalyst, catalytic cracking, etc. It can solve the problems of poor bonding performance and difficult catalytic cracking catalyst, etc., to achieve Effects of increasing catalyst stability, increasing specific surface area, and reducing production cost

Active Publication Date: 2020-06-12
CHINA PETROLEUM & CHEM CORP +1
View PDF11 Cites 0 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0011] At this stage, the TiO prepared above has not been 2 The application of sol as binder to prepare catalytic cracking catalyst, and the TiO prepared by existing method 2 The sol is also often difficult to prepare a molded catalytic cracking catalyst because of its poor bonding performance.

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

Image

Smart Image Click on the blue labels to locate them in the text.
Viewing Examples
Smart Image
  • a tio <sub>2</sub> Sols and catalytic cracking catalysts and methods for their preparation
  • a tio <sub>2</sub> Sols and catalytic cracking catalysts and methods for their preparation
  • a tio <sub>2</sub> Sols and catalytic cracking catalysts and methods for their preparation

Examples

Experimental program
Comparison scheme
Effect test

preparation example Construction

[0039] According to a second aspect of the present invention, there is also provided a TiO 2 A method for preparing a sol, the preparation method comprising the following steps: S1, performing a first contact reaction with a first titanium source and an alkali solution to obtain a first mixture with a pH value ≥ 8; S2, combining a second titanium source with an acid solution containing HCl Carrying out a second contact reaction, the molar ratio of the acid solution in terms of hydrogen ions to the second titanium source in terms of titanium is 0.1-0.3:1 to obtain a second mixture; S3, combining the first mixture with the second The mixture is subjected to a third contact reaction at a molar ratio of the first titanium source to the second titanium source of 1:0.8-1 to obtain a third mixture; and an optional rare earth-containing compound and / or Phosphorus-containing compounds, and optional decationized water and / or deionized water, to obtain a titanium chloride molar ratio of ...

Embodiment 1

[0081] (1) Add 37.09kg of TiCl to the first reactor 4 17.35kg of NaOH solution (wherein TiCl 4 : The molar ratio of NaOH is 1:1), which promotes TiCl 4 Carry out the first contact reaction with NaOH at a temperature of 40°C (water bath temperature control) for 50 minutes. After the reaction is completed, the first contact product is left to stand for 1 hour to obtain a sol-like first mixture. It can be known that the first mixture The pH value is 8.5;

[0082] (2) Add 37.09kg of TiCl in the second reactor 4 , and under agitation, in this second reactor, dropwise adding concentration is the hydrochloric acid 4.6kg (wherein TiCl 4 : The molar ratio of HCl is 1: 0.2), which promotes TiCl 4 Carry out the second contact reaction with hydrochloric acid at a temperature of 40° C. (water bath temperature control), and react for 15 minutes to obtain the second mixture;

[0083] (3) Inject the sol (first mixture) obtained in step (1) into the second reaction kettle with the second ...

Embodiment 2

[0085] (1) Add 30kg of TiCl in the first reactor 4 , under agitation, in this first reactor, dropwise concentration is the NaOH solution 11.25kg (wherein TiCl 4 : The molar ratio of NaOH is 1:0.8), which promotes TiCl 4 Carry out the first contact reaction with NaOH at a temperature of 30°C (water bath temperature control) for 60 minutes; after the reaction is completed, let the contact product of the first contact stand for 1 hour to obtain a sol-like first mixture, which can be known by measurement The pH value is 8;

[0086] (2) Add 30kg of TiCl in the second reactor 4, and under agitation, in this second reactor, dropwise adding concentration is the hydrochloric acid 2.79kg of 31wt% (wherein TiCl 4 : The molar ratio of HCl is 1:0.15), which promotes TiCl 4 Carry out the second contact reaction with hydrochloric acid at a temperature of 30° C. (water bath temperature control), and react for 30 minutes to obtain the second mixture;

[0087] (3) Inject the sol (first mix...

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
viscosityaaaaaaaaaa
densityaaaaaaaaaa
viscosityaaaaaaaaaa
Login to View More

Abstract

The invention discloses a TiO2 sol and a preparation method and application thereof, and a catalytic cracking catalyst and a preparation method thereof, belonging to the field of TiO2 sols. The TiO2 sol has a titanium-chlorine mol ratio of 0.2-0.6: 1, an etching rate of no more than 1 g / m<2>.h, a pH value of 5-8 and viscosity at 20 DEG C of no less than 1000 mPa.s . The TiO2 sol provided by the invention has characteristics of high viscosity, low corrosion rate and a high pH value, so when used as a binder for preparation of the catalytic cracking catalyst, the TiO2 sol can increase the specific surface area of the catalytic cracking catalyst, the sphericility of the catalytic cracking catalyst, the activity of the catalytic cracking catalyst and the product distribution of catalytic cracking reactions, and is mainly beneficial for production of a target product, i.e., gasoline.

Description

technical field [0001] The present invention relates to TiO 2 The sol field, specifically, relates to a kind of TiO 2 sol, the TiO 2 A preparation method of a sol, a catalytic cracking catalyst and a preparation method thereof. Background technique [0002] Fluid catalytic cracking technology is the most important means of secondary processing of crude oil. With the deepening of the heavy and inferior quality of FCC feed, the content of active component molecular sieve in the catalyst has increased from 15-20wt% in the early stage to the present 35wt% or even more than 40wt%. With the increase of molecular sieve content, the wear index and sphericity of the catalyst have become a very important issue in the catalyst preparation process. The catalyst must meet a certain strength requirement and at the same time, the catalyst forms microsphere particles with a particle size of 20-150 microns and an average particle size of the catalyst of about 60-80 microns, in order to m...

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): B01J21/06B01J23/10B01J27/16C10G11/02
CPCB01J21/063B01J23/10B01J27/16C10G11/02
Inventor 张杰潇张万虹许明德严加松邱中红田辉平
Owner CHINA PETROLEUM & CHEM CORP
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