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China Mixed Bed Polishing Ultra Purify Water Ion Exchange Resin 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
1. The effluent quality is excellent, and the effluent pH value is close to neutral.
2. 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.
3. 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.
4. 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 exchange column?
A mixed bed is an ion exchange device where positive (cation) and negative (anion) exchange resins are mixed and loaded together in a specific ratio. It is designed to remove mineral ions from water to produce high-purity softened or deionized water.
What is the typical loading ratio of cation and anion resin in a mixed bed?
The loading ratio of cation (positive) to anion (negative) resin is commonly configured at 1:2 or 1:1.5, depending on the specific resin types and the requirements of the water treatment application.
What is a synchronous regeneration mixed bed?
In a synchronous regeneration mixed bed, the entire regeneration process takes place within the column itself. The resin does not need to be moved out of the system, allowing both positive and negative resins to regenerate at the same time, which simplifies operation and reduces auxiliary equipment requirements.
Where are mixed beds typically applied in water treatment?
Mixed beds are generally positioned after electrodialysis or reverse osmosis systems (or used directly with low-salt water) for secondary desalination. They are widely used in electronics, chemicals, medicine, atomic energy, and power generation.
How does discontinuous operation affect mixed bed performance?
Discontinuous operation has very little impact on the effluent quality. When restarting the system, the time required to restore the original high water quality is relatively short compared to other systems.
What is the water recovery rate of a mixed bed system?
A mixed bed ion exchange system features a highly efficient process, achieving a water recovery rate of up to 100% during its standard operating cycle.