Magnetic sewage treatment agent and preparation method thereof
A sewage treatment agent and magnetic technology, applied in the fields of magnetic field/electric field water/sewage treatment, light water/sewage treatment, adsorbed water/sewage treatment, etc. Limited capacity and other problems, to achieve the effect of high separation and recovery rate and reuse rate, high separation and recovery rate and reuse rate, and fast separation and recovery rate
- Summary
- Abstract
- Description
- Claims
- Application Information
AI Technical Summary
Problems solved by technology
Method used
Examples
Embodiment 1
[0039] A magnetic sewage treatment agent, which is prepared from the following raw materials in weight percentage: 2% sodium alginate, 50% acrylamide, 11% acrylic acid, loaded nano-TiO 2 Type fly ash 10%, cyclodextrin 13% and functionalized magnetic particle 14%, its preparation method is as follows:
[0040] (1) Preparation of sodium alginate / polyacrylamide composite hydrogel: Dissolve 1g of sodium alginate in deionized water and stir to prepare a 0.5% sodium alginate solution, add 25g of acrylamide, 5.5g of polyacrylamide to the sodium alginate solution Stir the acrylic acid evenly, blow nitrogen into the reaction system, then add 0.3050 g of ammonium persulfate and 0.0366 g of ethylenediamine in sequence, and stir and react at 40°C for 8 hours to form composite hydrogel A.
[0041] (2) Chelation reaction: Dissolve cyclodextrin in deionized water to form a 20% cyclodextrin aqueous solution, add the composite hydrogel in step (1) to the cyclodextrin aqueous solution and stir ...
Embodiment 2
[0056] A magnetic sewage treatment agent, which is prepared from the following raw materials in weight percentage: 2.5% sodium alginate, 48% acrylamide, 12% acrylic acid, loaded nano-TiO 2 Type fly ash 13%, cyclodextrin 7.5%, and functionalized magnetic particles 17%, its preparation method is as follows:
[0057] (1) Preparation of sodium alginate / polyacrylamide composite hydrogel: dissolve 1.25g sodium alginate in deionized water and stir to prepare a 0.75% sodium alginate solution, add 24g acrylamide, 6g polyacrylamide to the sodium alginate solution Acrylic acid, stirred evenly, nitrogen gas was passed into the reaction system, and then 0.1500g ammonium persulfate and 0.0360g ethylenediamine were added in sequence, and the reaction was stirred at 50°C for 7h to form composite hydrogel A.
[0058] (2) Chelation reaction: Dissolve cyclodextrin in deionized water to form a 19% cyclodextrin aqueous solution, add the composite hydrogel in step (1) to the cyclodextrin aqueous so...
Embodiment 3
[0073] A magnetic sewage treatment agent, which is prepared from the following raw materials in weight percentage: 3% sodium alginate, 46% acrylamide, 13% acrylic acid, loaded nano-TiO 2 Type fly ash 15%, cyclodextrin 3%, and functionalized magnetic particles 20%, its preparation method is as follows:
[0074] (1) Preparation of sodium alginate / polyacrylamide composite hydrogel: dissolve 1.5g sodium alginate in deionized water and stir to prepare 1% sodium alginate solution, add 23g acrylamide, 6.5g of acrylic acid was stirred evenly, nitrogen gas was passed into the reaction system, and then 0.0295g of ammonium persulfate and 0.0442g of ethylenediamine were added in sequence, and the reaction was stirred at 60°C for 6h to form composite hydrogel A.
[0075] (2) Chelation reaction: Dissolve cyclodextrin in deionized water to form 18% cyclodextrin aqueous solution, add the composite hydrogel in step (1) to the cyclodextrin aqueous solution and stir for 3 hours to obtain composite...
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