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Method for preparing phenol amine copolymer capable of capturing heavy metal ions by utilizing ethylidene amines

A technology of heavy metal ions and ethylene amines, applied in chemical instruments and methods, water pollutants, water/sludge/sewage treatment, etc., can solve the problems of insufficient energy saving and environmental protection, huge investment, and cumbersome process.

Inactive Publication Date: 2015-07-29
QILU UNIV OF TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The usual sewage treatment method has huge investment, cumbersome process, not enough energy saving and environmental protection

Method used

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  • Method for preparing phenol amine copolymer capable of capturing heavy metal ions by utilizing ethylidene amines
  • Method for preparing phenol amine copolymer capable of capturing heavy metal ions by utilizing ethylidene amines
  • Method for preparing phenol amine copolymer capable of capturing heavy metal ions by utilizing ethylidene amines

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0020] Put 0.22 g of catechol and 0.1854 g of diethylenetriamine into a 100 ml beaker, add 50 ml of water, and stir the reaction in the air with a magnetic stirrer. After 24h, 0.0216g of p-phenylenediamine was added, and then reacted for another 24h. Stop the reaction, centrifuge, wash, dry, and phenolamine polymer materials.

[0021] The PCEA adsorbent obtained in the above examples was subjected to an adsorption test for heavy metal Cd(II), and the data obtained was plotted for analysis. figure 1 Indicates the adsorption capacity Q of PCEA to Cd(Ⅱ) in solution e Change within time 0-36h. It can be seen that the adsorption rate of the adsorbent to Cd(Ⅱ) is faster in the early stage, and slower and slower in the later stage. The adsorption capacity is basically unchanged at about 12h, and the adsorption equilibrium is reached. This shows that the adsorption of Cd(II) by the adsorbent has reached saturation, and the molecular chain has been fully coated with Cd(II). Therefore, t...

Embodiment 2

[0023] Put 0.22 g of hydroquinone and 0.2044 g of triethylenetetramine into a 100 ml beaker, add 50 ml of water, and stir the reaction in the air with a magnetic stirrer. After 24h, 0.0216g of m-phenylenediamine was added, followed by reaction for 24h. Stop the reaction, centrifuge, wash, and dry to obtain the phenolamine polymer material.

[0024] The PCEA adsorbent obtained in the above-mentioned examples was subjected to an adsorption test for heavy metal Cr (VI), and the obtained data was plotted for analysis. figure 2 Indicates the adsorption capacity Q of PCEA on Cr(Ⅵ) in solution e Change in time 0-72h. It can be seen that the adsorption rate of the adsorbent to Cr(Ⅵ) is faster in the early stage, and slower and slower in the later stage. The adsorption amount is basically unchanged at about 24h, and the adsorption equilibrium is reached. This shows that the adsorption of Cr(VI) by the adsorbent at this time has reached saturation, and the molecular chain has been fully ...

Embodiment 3

[0026] Add 0.22g of catechol, 0.1142g of ethylenediamine, and 0.0126g of melamine into a 100ml round-bottomed flask, add 50ml of anhydrous methanol, and stir with a magnetic stirrer under a condenser tube that is in contact with air and passed condensed water Reaction for 60h. Stop the reaction, centrifuge, wash, and dry to obtain the phenolamine polymer material.

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Abstract

The invention belongs to the technical field of synthesis of novel macromolecule function materials, and particularly relates to a method for preparing a phenol amine copolymer capable of capturing heavy metal ions by utilizing ethylidene amines. The method is characterized by comprising the following steps: adding polyphenol, ethylidene amine compounds and hydrophobic polyamine in solvent according to certain amount proportion and certain sequence to form a copolymerization system, reacting for certain period of time under magnetic stirring, centrifuging and drying to obtain the phenol amine copolymer function material. According to the invention, the material synthetic method is simple and convenient, the performance is superior, and the practical application is facilitated.

Description

Technical field [0001] The invention belongs to the technical field of synthesis of new polymer functional materials, and particularly relates to a preparation method of ethylene amines capable of capturing heavy metal ions phenolamine copolymers. Background technique [0002] With the development of economy and the improvement of people's living standards, industrial and domestic water consumption has increased sharply, and the requirements for water quality have also increased. At present, the supply of water resources is seriously insufficient and the distribution is extremely uneven, which has become one of the important factors restricting economic development and people's lives. One of the outstanding reasons for the shortage of water resources and the difficulty of reuse is water pollution, especially heavy metal pollution in the water. Heavy metal ions are important pollutants with potential hazards. Not only can they not be decomposed by microorganisms. On the contrary,...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B01J20/26B01J20/30C02F1/28C02F101/20
Inventor 刘钦泽刘强姚金水阮子宁刘伟良
Owner QILU UNIV OF TECH