NEWS CENTER

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2024

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09

Electrodialysis technology: an efficient choice for amino acid desalination

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It is of great significance and significant advantage to adopt electrodialysis technology for amino acid desalination. In terms of significance, amino acids, as an important bioactive substance, are widely used in many fields such as medicine, food and cosmetics. However, in the production process of amino acids, often accompanied by the presence of salt, which will not only affect the purity and quality of amino acids, but also may bring many adverse effects on subsequent processing and application. Therefore, the desalting treatment of amino acids is the key link to improve their quality and application value.

Electrodialysis technology has shown many advantages in amino acid desalination. First of all, it has the characteristics of high efficiency and energy saving. By applying a direct current electric field and using the selective permeability of ion exchange membrane, the salt ions in amino acid solution can be transferred in a directional manner under the action of electric field, so as to realize the separation of salt and amino acid. This separation process does not require harsh conditions such as high temperature and high pressure, and the energy consumption is relatively low, which meets the requirements of modern industry for energy conservation and environmental protection. Second, the electrodialysis operation is relatively simple. The equipment structure is relatively compact, easy to install and operate. The operator only needs to control several key parameters, such as electric field strength and solution flow rate, to achieve a stable desalting effect. At the same time, the electrodialysis equipment can run continuously, which greatly improves the production efficiency. In addition, electrodialysis technology is suitable for large-scale amino acid desalination treatment. Whether it is a small laboratory scale or a large industrial production, electrodialysis can be flexibly adjusted and expanded according to actual needs. It can deal with different concentrations of amino acid solutions, and has a good desalting effect on various types of amino acids.

In the specific desalting process, the electrodialysis equipment is mainly composed of anion exchange membranes, electrodes and compartments. The amino acid solution and the rinsing solution flow in different compartments. Under the action of electric field, the salt ions enter the rinsing solution through the ion exchange membrane, and the amino acids are retained in the original solution, so as to achieve the purpose of desalting. The desalting effect can be optimized and the recovery rate of amino acids can be increased by adjusting the parameters of electric field intensity, solution flow rate and cell structure.

In short, electrodialysis technology provides an efficient and reliable method for amino acid desalination, which is of great significance to promote the development of amino acid industry and improve its application value.

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