Nanpsheet-shaped SAPO-34 molecular sieve as well as ultrafast preparation method and application thereof
A SAPO-34, flake-shaped technology, applied in the field of molecular sieves, can solve the problems of difficult operation and difficult industrial scale-up, and achieve the effects of small solvent consumption, short crystallization time and high yield
- Summary
- Abstract
- Description
- Claims
- Application Information
AI Technical Summary
Problems solved by technology
Method used
Image
Examples
Embodiment 1
[0038] Add 0.98g of aluminum isopropoxide to a mixed solution of 2.0g of tetraethylammonium hydroxide and 0.26g of water, and stir at 30°C for 5 hours to obtain a mixture; add 0.03g of white carbon black and 1.10g of phosphoric acid to In the above mixture, the stirring process was continued at 30°C for 3 hours to obtain the initial gel mixture of SAPO-34 molecular sieves; after that, the obtained initial gel mixture of SAPO-34 molecular sieves was stirred for another 3 hours in a water bath at 50°C, and the reaction system The molar ratio of each component oxide, tetraethylammonium hydroxide and solvent in the initial gel mixture is 1.0TEAOH: 0.1SiO 2 : 1.0P 2 o 5 : 0.5Al 2 o 3 : 20H 2 O; Finally, 0.01 g of a SAPO-34 molecular sieve seed crystal with a mass fraction of 1% was added to the obtained gel. The resulting gel mixture was stirred for a further 3 hours in a 50°C water bath. The resulting gel mixture was loaded with an attached figure 1 For the stainless steel ...
Embodiment 2
[0040] Add 0.1g of aluminum oxide to a mixed solution of 0.82g of tetraethylammonium hydroxide and 0.16g of methanol (MeOH), and stir at 50°C for 2 hours to obtain a mixture; 0.018g of active silicon dioxide, 0.11g Phosphoric acid was added to the above mixture in turn, and the stirring process was continued at 30°C for 1 hour to obtain the initial gel mixture of SAPO-34 molecular sieve; after that, the obtained initial gel mixture of SAPO-34 molecular sieve was stirred again in a water bath at 80°C for 6 hour, the molar ratio of each component oxide, tetraethylammonium hydroxide and solvent in the initial gel mixture in the reaction system is 4.0TEAOH: 0.6SiO 2 : 1.0P 2 o 5 : 2.0Al 2 o 3 :10MeOH:60H 2 O; Finally, 0.012 g of a SAPO-34 molecular sieve seed crystal with a mass fraction of 10% was added to the obtained gel. The resulting gel mixture was stirred for a further 6 hours in an 80°C water bath. The obtained gel mixture was put into a special stainless steel react...
Embodiment 3
[0042] Add 0.32g of aluminum hydroxide to a mixed solution of 1.26g of tetraethylammonium hydroxide and 0.55g of ethanol (EtOH), and stir at 40°C for 3 hours to obtain a mixture; 0.062g of ethyl silicate, 0.23g of phosphoric acid Add to the above mixture in turn, and continue to stir at 40°C for 2 hours to obtain the initial gel mixture of SAPO-34 molecular sieve; after that, stir the obtained initial gel mixture of SAPO-34 molecular sieve in a water bath at 60°C for another 4 hours, The molar ratio of each component oxide, tetraethylammonium hydroxide and solvent in the initial gel mixture in the reaction system is 3.0TEAOH: 0.3SiO 2 : 1.0P 2 o 5 : 2.0Al 2 o 3 : 12EtOH: 48H 2 O; Finally, 0.012 g of SAPO-34 molecular sieve seed crystals with a mass fraction of 5% were added to the obtained gel. The resulting gel mixture was stirred for a further 4 hours in a 60°C water bath. The obtained gel mixture was put into a special stainless steel reactor, and the reactor was heat...
PUM
Login to view more Abstract
Description
Claims
Application Information
Login to view more - 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