20
2025
-
06
Application of Electrodialysis Technology in Separation of Glycine and Salts
Author：
Glycine, as an important chemical intermediate, is widely used in multiple industries such as pharmaceuticals, pesticides, food, and feed. During the production of glycine, wastewater or mixed solutions containing inorganic salts (such as ammonium chloride, sodium chloride, etc.) are often generated. The presence of these salts not only affects the purity of glycine but also increases the difficulty and cost of subsequent treatment. Therefore, developing an efficient and economical separation technology for glycine and salts is of great significance. As a membrane separation technology, electrodialysis has shown promising application prospects in the separation of glycine and salts in recent years.
I. Principle of Electrodialysis Technology
Electrodialysis technology utilizes the selective permeability of ion-exchange membranes, allowing cations and anions in the solution to migrate directionally and permeate the membranes selectively under the action of an applied direct current electric field. Inside the electrodialyzer, multiple groups of alternating anion and cation exchange membranes separate the solution into concentrated water chambers and dilute water chambers. Cations pass through the cation exchange membrane and move toward the negative electrode, while anions pass through the anion exchange membrane and move toward the positive electrode, thereby forming a high-concentration salt solution in the concentrated water chamber and a low-salinity glycine solution in the dilute water chamber.
II. Application Cases of Electrodialysis Technology in Glycine and Salt Separation
[Case description: High-purity glycine products can be obtained through electrodialysis separation, etc. (Specific cases can be supplemented according to actual application scenarios).]
III. Advantages of Electrodialysis Technology in Glycine and Salt Separation
(1) Efficient Separation
Electrodialysis technology enables efficient separation of glycine and salts, improves the purity of glycine, and reduces the difficulty and cost of subsequent treatment.
(2) Energy Conservation and Environmental Protection
Compared with traditional methods such as evaporation concentration and crystallization, electrodialysis technology has lower energy consumption and does not produce a large amount of secondary pollutants, meeting the requirements of energy conservation and emission reduction.
(3) Simple Operation
The electrodialysis device has a relatively simple structure, is easy to operate, maintain, and repair. Meanwhile, this technology has low requirements for raw water pretreatment and can adapt to the treatment of glycine and salt mixed solutions with different concentrations and components.
(4) Resource Recovery
Electrodialysis technology can further process the separated salt solution to recover the salts, realizing the recycling of resources.
IV. Conclusions and Prospects
Electrodialysis technology has important application value in the separation of glycine and salts. By optimizing process parameters, improving equipment structure, and other measures, the separation efficiency and economy of electrodialysis technology can be further enhanced. In the future, with the continuous optimization of membrane materials and the development of electrodialysis technology, its application prospects in glycine and salt separation will be broader. Meanwhile, electrodialysis technology can also be combined with other separation technologies to form a more efficient and economical treatment process for glycine production wastewater, providing strong support for the sustainable development of the glycine industry
Related Products
Decentralized Water Treatment and Resource Utilization: Breaking through Spatial and Cost Constraints
2025-06-20
Application of Electrodialysis Technology in Separation of Glycine and Salts
2025-06-20
Exploration and Value of Fully Renewable Fiber Filters in Aquaculture Water Treatment
2025-06-18
Application Research of Electrodialysis Technology in Amino Acid Purification and Desalination
2025-06-16
Huanke Environmental Protection Technology
HOTLINE：
Address：Gongye 1st Street, Weicheng District, Weifang City, Shandong Province China
Contact：Zhang Gong
Phone：+86-18865361829
Email：sdhuanke@163.com
Consult
Copyright © 2023 Shandong Huanke Environmental Protection Technology Co., Ltd