Modification treatment method of ZSM-5 zeolite
A ZSM-5, processing method technology, applied in the direction of crystalline aluminosilicate zeolite, borane silicone crystalline aluminosilicate zeolite, etc., can solve the problem of reducing the catalytic activity of zeolite, the destruction of microporous crystal structure, and the specific surface area of mesopores. Low problems, to achieve the effect of BET surface area improvement
- Summary
- Abstract
- Description
- Claims
- Application Information
AI Technical Summary
Problems solved by technology
Method used
Image
Examples
Embodiment 1
[0032] Take 30g of ZSM-5 zeolite, 75mL of methanol, and 2400mL of 0.30 mol / L NaOH solution into a beaker, place in an ultrasonic cleaner (4.17W / 100mL alkali solution, 40KHz), add mechanical stirring, and ultrasonically treat for 30min; Put it into a closed reaction kettle, and treat it at 60°C for 3 hours; then filter and wash the obtained sample until the pH value is neutral, and then dry it in an oven at 110°C for 12 hours. The obtained sample number is CL1.
[0033] Depend on figure 1 It can be seen that the CL1 sample has the XRD characteristic spectrum of ZSM-5 zeolite, and still maintains a good ZSM-5 zeolite structure. Depend on figure 2 It can be seen that after the modification treatment, there is obvious concentration of mesopores in the ZSM-5 zeolite, and the most probable pore diameter is 3.5nm.
Embodiment 2
[0035] Take 10g of ZSM-5 zeolite, 30mL of ethanol, and 400mL of 0.60 mol / L KOH solution into a beaker, place it in an ultrasonic cleaner (25W / 100mL alkali solution, 45KHz), add mechanical stirring, and ultrasonicate for 25min; then transfer to In a closed reaction kettle, treat at 80°C for 2 hours; then filter and wash the obtained sample until the pH value is neutral, and then dry it in an oven at 110°C for 12 hours. The obtained sample number is CL2.
Embodiment 3
[0037] Take 10g of ZSM-5 zeolite, 15mL of propanol, and 700mL of 0.50 mol / L NaOH solution into a beaker, place in an ultrasonic cleaner (14.3W / 100mL alkali solution, 25kHz), add mechanical stirring, and ultrasonically treat for 35min; Transfer to a closed reaction kettle and treat at 100°C for 3 hours; then filter and wash the obtained sample until the pH value is neutral, and then dry it in an oven at 110°C for 12 hours. The obtained sample number is CL3.
PUM
Property | Measurement | Unit |
---|---|---|
pore size | aaaaa | aaaaa |
specific surface area | aaaaa | aaaaa |
specific surface area | 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, Popular Technical Reports.
© 2024 PatSnap. All rights reserved.Legal|Privacy policy|Modern Slavery Act Transparency Statement|Sitemap|About US| Contact US: help@patsnap.com