Advantages and Disadvantages of Chelating Resins and Their Application Prospects

(2020年)

https://www.seplite.com/advantages-and-disadvantages-of-chelating-resins-and-their-application-prospects.html

Advantages and disadvantages of ion exchange chromatography as follow:

Advantages
Compared with small molecule chelating agents, chelating resins have the advantages of simple synthesis, low cost, large adsorption capacity, easy elution, less interference, good mechanical properties and it is extremely stable for acids, bases and various solvents. Compared with ion exchange resins, chelating resins have stronger binding ability and higher selectivity to metal ions. When chelating resins chelate with specific metal ions, there will be many special physical and chemical properties, which are widely known as catalysts, photosensitive materials and antistatic agents.

Disadvantages
It is strongly affected by PH fluctuations. It needs elution. Its selectivity to ions is not ideal and the cost is too high. The use of chelating resin to treat complex heavy metal ions has some limitations of ion exchange chromatography: because chelating resin can not leach complex heavy metal ions through organic matter, it will cause secondary pollution to the environment.

Applications
Purification of drinking water, environmental protection, hydrometallurgy, recovery of heavy metals, catalysts, separation and purification of various antibiotics, extraction of active ingredients of Chinese herbal medicine and other medicine, food, recycled products, etc.

Development Prospects
The design and synthesis of new chelating chromatography resins, the study of adsorption theory, and the application of chelating resins promote their application in practice.

Sunresin is an innovation oriented high-tech ion exchange resin china. It is specialized in R&D, manufacturing and sales of adsorption and separation polymer resins, equipments and customized solutions including support services. As the first and the only A-share listed company in Chinese Ion Exchange and Adsorption Resin Industry, Sunresin manufactures about 50,000 cubic meters of ion exchange and adsorption resins annually, and supplies customers with tens of adsorption and separation equipment.

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