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BONA-ED-25

Batch processing capacity: 0.5 - 2 liters; 

Filter area: 2.2 square meters; 

Work pressure: 0 - 0.06 MPa; 

Allowable operating temperature: ≤ 45℃; 

Total power: 600W; 

pH range: 0 - 14 

Membrane logarithm: 20 groups; 

Device dimensions: 950 (length) × 515 (width) × 800 (height) mm


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Product Introduction

The pilot-scale equipment for electrodialysis, BONA-ED-25, operates under an electric field as the driving force. It utilizes the selective permeability of ion-exchange membranes to cause the directional migration of anions and cations, thereby achieving the removal or concentration of salts in the aqueous solution.

Electrodialysis is a relatively mature technology in membrane separation processes. Its application areas include: (1) The removal of salt from process solutions in chemical, food, and pharmaceutical production to ensure product quality or enable the sustainable operation of the production process while minimizing the volume of concentrated brine; (2) Industrial primary water desalination, water desalination in industrial processes, treatment of industrial saline wastewater, desalination of reverse osmosis concentrated water, etc., for the preparation, treatment, and recycling of industrial water; (3) Purification of surface water, desalination of brackish water, and desalination of seawater for the preparation of drinking water and other domestic and drinking water sources.


Product Features

The freshwater, saltwater and brine pipelines are independent of each other and are respectively equipped with material tanks. The operation is very convenient. 

Fresh water, salt water and brine all have flow meters, allowing for continuous monitoring of the flow rates of fresh water, salt water and brine. 

Fresh water, salt water and brine all have pressure gauges, allowing for the continuous monitoring of the pressure of fresh water, salt water and brine. 

The membrane shell is designed based on fluid dynamics, ensuring the flow velocity on the membrane surface and guaranteeing the stability and reliability of the test data. 

The test platform can adjust the pump speed through the knob to control the flow rate. The actual flow rate can be observed through the flow meter. The pressure in each compartment can be monitored through the pressure gauge. And it is equipped with a stable voltage/current DC power supply. 

On both sides of the membrane stack are two electrode plates, namely the anode plate and the cathode plate. The corresponding compartments are the anode chamber and the cathode chamber. When electricity is applied, an oxidation reaction occurs on the surface of the anode plate and a reduction reaction occurs on the surface of the cathode plate. The specific electrode reactions vary depending on the type of electrolyte. 

The electrode plates are usually titanium plates with ruthenium-iridium catalytic coating. They can also be adjusted to titanium plates with tantalum-iridium catalytic coating as needed.


Typical application fields

Food industry

Food industry

Clarification and concentration of beverages and juices; 

Fruit wine processing includes sterilization and clarification, as well as acid removal, etc. 

Dairy product production, sugar industry, soy sauce, 

The clarification of vinegar, etc.


Pharmaceuticals industry

Pharmaceuticals industry

Sterilization, extraction of pharmaceutical products, 

Separation, purification, concentration, desalination, 

Solvent replacement, etc.



Health care industry

Health care industry

Production of animal peptides and plant peptides; 

Health tea, coffee powder clarification and concentration; 

Vitamin separation, impurity removal from health tonics, etc.


The blood products industry

The blood products industry

Plasma protein concentration, antiviral immunoglobulin 

Protein purification, production of artificial blood;


Biotechnology industry

Biotechnology industry

Plant extract liquid concentration, natural pigment filtration concentration, honeysuckle impurity removal filtration, fermentation liquid concentration and refinement, enzyme preparation purification concentration, amino acid filtration concentration, etc.

Cosmetics industry

Cosmetics industry

Collagen grading, hyaluronic acid purification 

Production of plant essential oils, purification of natural pigments 

Purification of plant spices and removal of impurities for antioxidant properties.


Some using units

Some using units

Tsinghua University

Peking University

Beijing Institute of Technology

Fudan University

Zhejiang University

Go to Jiaotong University for school.

Xi'an Jiaotong University

Sichuan University

Sun Yat-Sen University

Nanjing University

University of Chinese Academy of Sciences

Northeast Normal University

Harbin Institute of Technology

Southeast University

Nankai University

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Bonner's technological advantages

Independently completed multiple domestic and international membrane equipment project engineering, with rich experience.

Independently completed multiple domestic and international membrane equipment project engineering, with rich experience.

We have a group of senior engineers specializing in membrane engineering applications, with many years of technical development and engineering practice experience.

We have a group of senior engineers specializing in membrane engineering applications, with many years of technical development and engineering practice experience.

We offer professional technical support and can provide on-site guidance for installation and commissioning.

We offer professional technical support and can provide on-site guidance for installation and commissioning.

A perfect customer service system and regular follow-up visits ensure the quality of the equipment.

A perfect customer service system and regular follow-up visits ensure the quality of the equipment.

The company has a service center that provides you with fast, efficient and cost-effective instrument repair services.

The company has a service center that provides you with fast, efficient and cost-effective instrument repair services.