Non-reversible thioureaconnected covalent organic framework for rapidly removing mercury and preparation method and application thereof
A technology of covalent organic framework and thiourea, which is applied in chemical instruments and methods, other chemical processes, ion exchange, etc., can solve the problems of skeleton structure destruction and adverse effects of skeleton structure, etc.
- Summary
- Abstract
- Description
- Claims
- Application Information
AI Technical Summary
Problems solved by technology
Method used
Image
Examples
Embodiment 1
[0029] Preparation of a covalent organic skeleton of high-efficiency high selective adsorbent mercury: a covalent organic skeleton JNU-3 prepared by a solvent heat method was prepared, and mercury in an aqueous solution was achieved. Efficient and high selective adsorption. Includes the following steps:
[0030] (1) 1,3,5-trimethylphenylene phenol (TP) (21.0 mg, 0.1 mmol), 1,1 '- (1,4-phenyl) double thiourea (PA-S) (33.9) Mg, 0.15 mmol), N, N-dimethylacetamide DMAC (0.8 mL) and mixtures of o-dichlorobenzene (0.2 mL) were ultra-mixed in 35 ml of Swings tube (OD 26 × L 125mm). liquid. Then, 12 mol / L, glacial acetic acid (0.1 mL) was added, further ultrasound for 5 minutes to perform freeze pump - thaw-degassing cycle. The test tube was then sealed, and the reaction solution was allowed to stand at 60 ° C for 3 days.
[0031] (2) The resulting red precipitate was collected by centrifugation, and was rinsed with N, N-dimethylformamide (DMF). The crude product was extracted with meth...
Embodiment 2
[0034] Preparation of a covalent organic skeleton of highly efficient high selective adsorption of mercury: steps and methods are substantially identical to Example 1, and different in step 1 in step 1 - (1,4- Phenyl) double thiourea (PA-S) is replaced with 1, 1 '- (1, 1'-biphenyl) 4,4'-double thiourea (BD-S), and prepared covalent organic skeleton surface Similar to Example 1, the resulting thiourea covalent organic skeleton was 75.2%.
Embodiment 3
[0036] Preparation of a covalent organic skeleton of highly efficient high selective adsorption of mercury: steps and methods are substantially identical to Example 1, and different in step 1 in step 1 - (1,4- Phenyl) double thioua (PA-S) is replaced by 1, 1 '- (2-methyl-1,4-phenyl) double thiourea, and the resulting covalent organic skeleton surface is similar to those of Example 1. The yield of the obtained thiourea covalent organic skeleton was 72.9%.
PUM
Property | Measurement | Unit |
---|---|---|
Maximum adsorption capacity | 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