Silicon-containing alumina supporter and preparing method thereof
A technology of alumina carrier and silicon alumina, which is applied in the direction of catalyst carrier, chemical instruments and methods, chemical/physical processes, etc., can solve the problem of uneven distribution of silicon, achieve reduced production costs, excellent high dispersion, and multi-surface activity center effect
- Summary
- Abstract
- Description
- Claims
- Application Information
AI Technical Summary
Problems solved by technology
Method used
Examples
Embodiment 1
[0018] Weigh respectively 188.0 g of macroporous aluminum hydroxide powder and 226.0 g of small pore aluminum hydroxide powder (pore volume 0.498ml / g, The average pore diameter is 8.1nm and the specific surface area is 228m 2 / g), the nano-silica produced by Tianjin Chemical Industry Co., Ltd. accounts for 4.0%, 75.0g deionized water, extrusion aid scallop powder 12.0g and 8g citric acid, mix homogeneously, add by 26.0g40% nitric acid solution and 325.0 The solution prepared by g deionized water is kneaded into a plastic body, extruded into a clover strip of the designed size on an extruder, dried at a drying temperature of 110°C for 8 hours, and then roasted at 500°C for 4 hours, that is, the sample ( 1), the properties are shown in Table 1.
Embodiment 2
[0020] In embodiment 1, change nano silicon dioxide 4.0% into 6.1%, promptly cost example, property sees table 1 (2).
Embodiment 3
[0022] In embodiment 1, change nano silicon dioxide 4.0% into 2.3%, promptly cost example, property sees table 1 (3).
PUM
Property | Measurement | Unit |
---|---|---|
Bronsted acidity | aaaaa | aaaaa |
specific surface area | aaaaa | aaaaa |
diameter | 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