Preparation method and application of microsphere catalyst for preparation of low-carbon olefin from methanol, ethanol or dimethyl ether
A technology of low-carbon olefins and dimethyl ether, which is applied in the field of preparation of microsphere catalysts to achieve the effects of enhanced strength, good repeatability, and increased interaction force
- Summary
- Abstract
- Description
- Claims
- Application Information
AI Technical Summary
Problems solved by technology
Method used
Image
Examples
Example Embodiment
[0038] Example 1:
[0039] The preparation method of the microsphere catalyst used in the preparation of light olefins by methanol, ethanol or dimethyl ether of the present invention, the detailed steps of the preparation method are as follows:
[0040] a. Mix 1kg of silicoaluminophosphate molecular sieve SAPO-34 original powder with 1.3kg, 0.25mol / L aluminum chloride aqueous solution, and then stir at 40°C for 1.5h to obtain a mixed solution;
[0041] b, then at room temperature, add 0.5kg deionized water, 50g lanthanum nitrate, 30g polyethylene glycol 600, 2.6kg aluminum sol (solid content of 20%), 0.94kg silica sol to the mixed solution obtained in step a (solid content is 30%), 0.2kg pseudo-boehmite (solid content is 70%) and 1.25kg kaolin (solid content is 80%), stir well after adding;
[0042] c, stirring the obtained mixed solution in step b to carry out high-speed shear dispersion, until ≥80% of the particle size in the obtained suspension is less than 8 microns;
[...
Example Embodiment
[0045] Example 2:
[0046] The preparation method of the microsphere catalyst used in the preparation of light olefins by methanol, ethanol or dimethyl ether of the present invention, the detailed steps of the preparation method are as follows:
[0047] a. Mix 1.5kg of silicoaluminophosphate molecular sieve SAPO-34 original powder with 2.0kg, 0.10mol / L aluminum sulfate aqueous solution, and then stir at 30°C for 3h to obtain a mixed solution;
[0048] b, then at room temperature, add 0.5kg deionized water, 30g cerium nitrate, 20g polyethylene glycol 600, 2.4kg aluminum sol (solid content of 20%), 1.05kg silica sol to the mixed solution obtained in step a (solid content is 30%) and 1.4kg metakaolin (solid content is 80%), stir well after adding;
[0049] c, stirring the obtained mixed solution in step b to carry out high-speed shear dispersion, until ≥80% of the particle size in the obtained suspension is less than 8 microns;
[0050] d, step c shearing and dispersing the obtai...
Example Embodiment
[0052] Example 3:
[0053] The preparation method of the microsphere catalyst used in the preparation of light olefins by methanol, ethanol or dimethyl ether of the present invention, the detailed steps of the preparation method are as follows:
[0054] a. Mix 2kg of silicoaluminophosphate molecular sieve SAPO-34 original powder with 3.0kg, 0.2mol / L aluminum nitrate aqueous solution, and then stir at 50°C for 1h to obtain a mixed solution;
[0055] b. Then at room temperature, add 0.7kg deionized water, 15g lanthanum nitrate, 15g cerium nitrate, 20g polyacrylamide, 3.4kg aluminum phosphate sol (solid content of 20%), 0.25 kg pseudo-boehmite (solid content is 70%) and 1.05kg alumina (solid content is 80%), stir well after adding;
[0056] c, stirring the obtained mixed solution in step b to carry out high-speed shear dispersion, until ≥80% of the particle size in the obtained suspension is less than 8 microns;
[0057] D, step c shearing and dispersing the obtained suspension...
PUM
Property | Measurement | Unit |
---|---|---|
Scale | aaaaa | aaaaa |
Abstract
Description
Claims
Application Information
- R&D Engineer
- R&D Manager
- IP Professional
- Industry Leading Data Capabilities
- Powerful AI technology
- Patent DNA Extraction
Browse by: Latest US Patents, China's latest patents, Technical Efficacy Thesaurus, Application Domain, Technology Topic.
© 2024 PatSnap. All rights reserved.Legal|Privacy policy|Modern Slavery Act Transparency Statement|Sitemap