Preparation method of silica gel loaded polyhydroxyl chelating resin for highly effective boron removal
A technology of chelating resin and polyhydroxyl, which is applied in the field of preparation of chelating resin, can solve the problems of complex synthesis process, low adsorption capacity and high cost, and achieve the effects of large adsorption capacity, improved adsorption capacity and good mechanical strength
- Summary
- Abstract
- Description
- Claims
- Application Information
AI Technical Summary
Problems solved by technology
Method used
Image
Examples
Example Embodiment
[0027] Example 1 Preparation of meglumine-modified silane coupling agent using different inert organic solvents
[0028] (1) Take 30g of column-packed silica silica gel for chromatography in a 500ml three-necked flask and add 1mol / L HNO 3 The solution was 200ml and mechanically stirred at 50°C for 6h. After the reaction, the solid product was obtained by suction filtration, which was washed with deionized water and methanol to neutrality, and dried at room temperature for 12h to obtain activated silica gel.
[0029] (2) Take 20g of meglumine and 200ml of inert organic solvent into a 500ml three-necked flask, mechanically stir, oil bath heating to heat the reaction system to 50-100℃; 40ml of inert organic solvent and 30ml of 3-(2,3-ring The oxypropoxy)propyltrimethoxysilane was mixed uniformly and then dropped into the three-necked flask dropwise. During the whole reaction process, the temperature of the system was maintained at 80° C., and the nitrogen atmosphere was refluxed for 24...
Example Embodiment
[0033] Example 2 Using different inert organic solvents to prepare silica gel loaded polyhydroxyl high-efficiency boron removal chelating resin
[0034] (1) Take 30g of column-packed silica silica gel for chromatography in a 500ml three-necked flask and add 1mol / L HNO 3 The solution was 200ml and mechanically stirred at 50°C for 6h. After the reaction, the solid product was obtained by suction filtration, which was washed with deionized water and methanol to neutrality, and dried at room temperature for 12h to obtain activated silica gel.
[0035] (2) Take 20g of meglumine and 200ml of N,N-dimethylformamide into a 500ml three-necked flask, stir mechanically, and heat the reaction system to 80°C by heating in an oil bath; 40ml of N,N-dimethylformamide and 30ml of 3-(2,3-glycidoxy)propyltrimethoxysilane was mixed uniformly and then dropped into a three-necked flask dropwise. During the whole reaction process, the temperature of the system was maintained at 80°C, and the nitrogen atmos...
Example Embodiment
[0039] Example 3 Using different silane coupling agents to prepare silica gel loaded polyhydroxyl high-efficiency boron removal chelating resin
[0040] (1) Take 30g of column-packed silica silica gel for chromatography in a 500ml three-necked flask and add 1mol / L HNO 3 The solution was 200ml and mechanically stirred at 50°C for 6h. After the reaction, the solid product was obtained by suction filtration, which was washed with deionized water and methanol to neutrality, and dried at room temperature for 12h to obtain activated silica gel.
[0041] (2) Take 20g of meglumine and 200ml of N,N-dimethylformamide into a 500ml three-necked flask, stir mechanically, and heat the reaction system in an oil bath to raise the temperature to 80℃; 40ml of N,N-dimethylformamide and 30ml of silane coupling agent was mixed uniformly and then dropped into the three-necked flask drop by drop. During the whole reaction, the temperature of the system was maintained at 80°C and the nitrogen atmosphere wa...
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.
© 2023 PatSnap. All rights reserved.Legal|Privacy policy|Modern Slavery Act Transparency Statement|Sitemap