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Ultra Purified Water Mixed Bed Polishing Technology from China Suppliers and Factory
Equipment Overview
Mixed bed is short for mixed ion exchange column, is designed for ion exchange technology equipment. Is a certain proportion of positive and anion exchange resin mixed loading in the same exchange device, the ion in the fluid exchange, removal. Because the proportion of the positive resin is larger than the negative resin, so the negative resin in the mixed bed in the next positive resin. The loading ratio of prajnyang and Yin resin is 1:2, and the loading ratio is 1:1.5, which can be considered according to different resins. Mixed bed can also be divided into in vivo synchronous regeneration and in vitro regeneration mixed bed. The mainstream adopts synchronous regeneration type mixed bed, in the operation and the whole regeneration process are carried out in the mixed bed, regeneration resin does not move out of the equipment, and positive and negative resin regeneration at the same time, so the need for less auxiliary equipment, easy to operate. Mixed bed is mainly used to reduce the hardness, alkalinity and cation of water, so that it becomes softened water or deionized water.
Equipment Features
The effluent quality is excellent, and the effluent pH value is close to neutral.
The effluent water quality is stable, and the change of short-term operating conditions (such as influent water quality or composition, operating velocity, etc.) has little influence on the effluent water quality of mixed bed.
The discontinuous operation has little influence on the effluent quality, and the time needed to restore the water quality before the shutdown is relatively short.
The recovery rate reached 100%
Scope of Application
Mixed bed is generally placed in the electrodialysis or reverse osmosis device after (or directly applied to the water with lower salt content), further desalination of water can make higher pure water, widely used in electronics, chemical industry, medicine, atomic energy, electric power and other industries.
Frequently Asked Questions
What is a mixed bed ion exchanger?
A mixed bed (or mixed ion exchange column) is a water treatment device containing a mixed ratio of positive and anion exchange resins in the same column to exchange and remove ions from the fluid.
What is the typical loading ratio of resins in a mixed bed?
Depending on the specific resins used, the loading ratio of positive to anion (Yin) resin is commonly configured at 1:2 or 1:1.5.
What are the advantages of synchronous regeneration (in vivo) mixed beds?
Synchronous regeneration mixed beds perform the entire operation and regeneration process inside the vessel without moving the resin out. This requires less auxiliary equipment and simplifies the system operation.
How does discontinuous operation affect mixed bed effluent quality?
Discontinuous operation has very little impact on the effluent quality. The system requires a relatively short time to restore the target water quality after a shutdown.
Where is a mixed bed typically installed in a filtration system?
It is generally placed after electrodialysis or reverse osmosis systems, or applied directly to water with lower initial salt content to achieve higher purity deionized water.
Which industries commonly utilize mixed bed systems?
Mixed beds are widely used for water softening and deionization in electronics, chemical processing, medicine, atomic energy, electric power generation, and other industrial sectors.