Preparation method of hydrogenation catalyst containing molecular sieves and amorphous silica-alumina
A hydrogenation catalyst and amorphous silica-alumina technology, which is applied in the direction of molecular sieve catalysts, chemical instruments and methods, physical/chemical process catalysts, etc., can solve the problems of amorphous silica-alumina agglomeration, catalyst specific surface area and pore volume reduction, and easy access to each other Pores or blockage of molecular sieves, etc., to enhance the binding force and avoid agglomeration
- Summary
- Abstract
- Description
- Claims
- Application Information
AI Technical Summary
Problems solved by technology
Method used
Examples
Embodiment 1
[0041] Add 986g of solid aluminum chloride into 1.5 liters of distilled water while heating and stirring until dissolved to obtain aluminum chloride solution (a). Add an appropriate amount of distilled water to the concentrated ammonia water and dilute it into about 10% dilute ammonia water (b), and dissolve 150.8g of xylitol in 500ml of water to form a solution (c). Take 10L of water glass (industrial grade, modulus 3.0) and dilute it in 20L of deionized water to prepare solution (d). 98g Y-type molecular sieve Y-1 (SiO 2 / Al 2 o 3 The molar ratio is 11.0, the unit cell constant is 24.42?, and the relative crystallinity is 95%). Use an impregnation solution containing 48g sodium tungstate and 42g nickel nitrate hexahydrate for saturated impregnation, dry at 120°C for 180 minutes after impregnation, and bake at 500°C 4 hours; 38.2 g of diethanolamine was dissolved in 100 ml of water, heated to 60° C., metal-containing Y molecular sieve was added under stirring, and beaten f...
Embodiment 2
[0044] 816g of solid aluminum sulfate was added to 1.5 liters of distilled water while heating and stirring until dissolved to obtain aluminum sulfate solution (a). Dilute the concentrated ammonia water into about 10wt% dilute ammonia water (b) by adding an appropriate amount of distilled water, and dissolve 243g of adipic acid in 500ml of water to form a solution (c). Take 10L of water glass (industrial grade, modulus 3.0) and dilute it in 20L of deionized water to prepare solution (d). 594g Y-type molecular sieve Y-1 (SiO 2 / Al 2 o 3The molar ratio is 11.0, the unit cell constant is 24.42?, and the relative crystallinity is 95%) is impregnated with an impregnation solution containing 630g sodium tungstate and 555g nickel nitrate hexahydrate, dried at 120°C for 180 minutes after impregnation, and calcined at 500°C for 4 Hours; 118g of ethanolamine was dissolved in 100ml of water, heated to 60°C, and metal-containing molecular sieves were added under stirring, and beaten fo...
Embodiment 3
[0047] 185g of solid aluminum sulfate was added to 1.5 liters of distilled water while heating and stirring until dissolved to obtain aluminum sulfate solution (a). Prepare the solid sodium metaaluminate to a concentration of 20g Al 2 o 3 / l sodium aluminate solution (b). 131.9 g of 1,4-butanedioic acid was dissolved in 1 L of water to form solution (c). 57.2g Y-type molecular sieve Y-1 (SiO 2 / Al 2 o 3 The molar ratio is 11.0, the unit cell constant is 24.42?, and the relative crystallinity is 95%) using an impregnation solution containing 80.2g sodium tungstate and 70.7g nickel nitrate hexahydrate for saturated impregnation, after impregnation, dry at 120°C for 180 minutes, 500 Roast for 4 hours at °C; dissolve 5.7g of ethylenediamine in 500ml of water, heat to 60°C, add metal-containing molecular sieves under stirring, and continue stirring for 2 hours to obtain slurry (d). Take 10L water glass (industrial grade, modulus 3.0) and dilute it in 20L deionized water to pr...
PUM
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, Popular Technical Reports.
© 2024 PatSnap. All rights reserved.Legal|Privacy policy|Modern Slavery Act Transparency Statement|Sitemap|About US| Contact US: help@patsnap.com