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Ion exchange material with adsorption function and method for filtering heavy metal ions by using material

A technology of ion exchange materials and heavy metal ions, which is applied in the direction of cation exchange materials, ion exchange water/sewage treatment, fiber chemical characteristics, etc., can solve the problems of complex preparation methods and achieve the effect of reducing costs

Active Publication Date: 2011-11-23
IND TECH RES INST
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Furthermore, in the above-mentioned preparation methods, the materials are first made into fibers and then functionalized, which is also relatively complicated.

Method used

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  • Ion exchange material with adsorption function and method for filtering heavy metal ions by using material
  • Ion exchange material with adsorption function and method for filtering heavy metal ions by using material
  • Ion exchange material with adsorption function and method for filtering heavy metal ions by using material

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0030] Take 20g of sodium styrenesulfonate (sodium styrenesulfate), 10g of 4-ethylpyridine (4-vinylpyridine), 1g of sodium dodecylsulfonate (sodium dodecyl sulfate, SDS) and 100g of deionized water in a reaction flask, and pass into Nitrogen, stirred at a constant temperature of 70°C, dissolved 0.3g of potassium persulfate (KPS) in 10ml of deionized water, added to the reaction solution, and kept at a constant temperature for 3 hours. After the polymerization reaction was completed, deionized water was added for dilution. The diluted polymer solution was dropped into an aqueous sodium hydroxide solution for reprecipitation, purification and drying to obtain 29 grams of a polymer with a molecular weight of 899599 g / mole.

Embodiment 2

[0032] Take 10g of sodium styrenesulfonate (sodium styrenesulfate), 20g of 4-ethylpyridine (4-vinylpyridine), 2g of sodium dodecylsulfonate (sodium dodecyl sulfate, SDS) and 100g of deionized water in a reaction flask, and pass into Nitrogen, stirred at a constant temperature of 70°C, dissolved 0.3g of potassium persulfate (KPS) in 10ml of deionized water, added to the reaction solution, and kept at a constant temperature for 3 hours. After the polymerization reaction was completed, deionized water was added for dilution. The diluted polymer solution was dropped into an aqueous sodium hydroxide solution for reprecipitation, purification and drying to obtain 28.7 grams of polymer with a molecular weight of 648596 g / mole.

Embodiment 3

[0034] Take 10g of sodium styrene sulfonate (sodium styrenesulfate), 10g of 1-vinylimidazole (1-vinylimidazole), 1g of sodium dodecylsulfonate (sodium dodecyl sulfate, SDS) and 100g of deionized water in the reaction flask, pass into Nitrogen, stirred at a constant temperature of 70°C, dissolved 0.2 g of potassium persulfate (KPS) in 10 ml of deionized water, added to the reaction solution, and kept at a constant temperature for 3 hours. After the polymerization reaction was completed, deionized water was added for dilution. The diluted polymer solution was dropped into an aqueous sodium hydroxide solution for reprecipitation, purification and drying to obtain 18.4 grams of polymer with a molecular weight of 530,000 g / mole.

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Abstract

The invention discloses an ion exchange material with adsorption function, which is a high polymer formed by repetitive units shown in a chemical formula (I) and a chemical formula (II), and has the characteristics of adsorption and ion exchange to heavy metal ions. The material with functions of ion exchange and adsorption has high molecular weight, and can be directly spun to form fibers with different diameters. The invention also discloses a method for absorbing and filtering wastewater with the heavy metal ions by utilizing the ion exchange material with the adsorption function.

Description

technical field [0001] The invention relates to an ion exchange material, in particular to an ion exchange material with adsorption capacity and a method for applying the material to adsorb and filter heavy metal ions. Background technique [0002] In recent years, due to the rapid development of industries such as electroplating, optoelectronics, printed circuit boards and semiconductor industries, the problem of heavy metal wastewater pollution has become increasingly serious. Heavy metal wastewater will not only cause serious harm to the human body, but also destroy the living environment of human beings. Therefore, the treatment of heavy metal wastewater pollution has become very important. At present, most industrial countries in the world are facing serious heavy metal pollution problems, so it is urgent to develop effective technologies to remove excess heavy metals in wastewater. [0003] The current methods for treating heavy metal wastewater include air evaporatio...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B01J39/20C08F212/14C08F228/02C08F226/06C08J5/18D01F6/28D01F6/42C02F1/42
Inventor 陈文亿郑淑蕙
Owner IND TECH RES INST