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BNUF402-2-A

Minimum circulation volume: 20L; 

Material tank: 50L/100L; 

Filtering area: 15 m² per unit; 

Work pressure: 0 - 0.8 MPa; 

Working temperature: 4 - 55℃ 

PH range: 2 - 12 (depending on the membrane core) 

Control mode: Automatic control; 

Installed power: 2.2KW; 

Filtering rate: 100 - 500 L/H (depending on the material and pressure); 

Equipment material: SUS304; 

Electricity demand: AC/380V/50HZ three-phase five-wire system; 

Equipment dimensions: 1500 (length) × 700 (width) × 1600 (height) mm


Online consultation

Product Introduction

The pilot filtration system of ultrafiltration membrane (BNUF402-2-A) was designed and manufactured by Bonar Company based on its long-term membrane filtration experiments, membrane technology applications, and membrane equipment design experience. It is widely applicable for pilot experiments of laboratory material scales ranging from 50 to 1000L. The minimum circulation volume of this equipment is only 20L, allowing for large-scale and rapid experiments with small amounts of materials. At the same time, the amount of waste liquid during the equipment cleaning process is small, which can reduce secondary pollution to the environment. This equipment adopts a design of two membrane cores connected in series. By replacing with different precision organic membrane elements of the same model, it can achieve different experimental purposes. It is mainly used for concentrating, separating, purifying, clarifying, desalinating, and filtering materials. The filtration speed is fast, the production cycle is short, and the production efficiency is high.

Product Features

The system is equipped with an automatic overpressure protection function. It will automatically sound an alarm when the value exceeds the warning limit, and automatically shut down when it exceeds the dangerous limit, ensuring the safety of personnel and equipment during use. 

2. The system is equipped with an automatic over-temperature protection function. If the temperature exceeds the warning limit, an alarm will be triggered automatically; if it exceeds the dangerous limit, the machine will automatically shut down, ensuring the safety of the materials and equipment during use. 

3. The equipment is equipped with pressure and temperature sensors, and the pressure and temperature are displayed on the digital screen. 

4. The equipment is equipped with a Siemens touch screen. It allows for the input of product names, batch numbers, and process parameters. It can also record the start time, process parameters, end time, and alarm records, among other things. 

5. The membrane elements are imported, and they comply with the hygiene standards such as those set by the US FDA, USDA, and 3-A. 

6. It can achieve the function of automatic fluid replenishment. 

7. All system components (except for the seals) are made of SUS304 stainless steel. 

8. It adopts automatic argon gas filling protection, single-sided welding, double-sided forming, and all weld seams are polished. The inner and outer surfaces of the pipeline are of excellent quality, the operation is simple, clean and hygienic, and it is safe and reliable. 

9. The fillet welds, external butt welds and the ends of the接管 (i.e. the pipe connections) should be smoothed out, while the internal welds should be ground to be perfectly flat. 

10. The equipment brackets have undergone wire drawing treatment. 

11. The equipment is easy to control and has a high degree of automation. The production process is stable and reliable, ensuring the safety of personnel, equipment and materials during the experiment. 

12. The overall layout of the equipment is compact, with a small minimum circulation volume, less cleaning waste liquid, reduced secondary pollution, and saved space.


Basic configuration

One stainless steel circulation pump, one stainless steel cleaning pump, two SUS306L stainless steel membrane modules, two membrane cores, one material tank, two pressure sensors, one temperature sensor, one control system, one frequency converter, equipment brackets, edge ring clamps, and several pipes and their connecting parts.

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

Honghu City Xinhongye Food Co., Ltd.

Honghu City Jingli Aquatic Products and Food Co., Ltd.

Jinweihuang Co., Ltd.

Shenyang Sinochem New Materials Technology Co., Ltd.

Shandong Zhongke Henglian Bio-based Materials Co., Ltd.

Jilin Kale Ying Pharmaceutical Chemistry Co., Ltd.

Hebei Yuan Da Jiufu Biotechnology Co., Ltd.

Guangdong Yifang Pharmaceutical Co., Ltd.

Nanjing Vazyme Biotech Co., Ltd.

Shandong Xinhecheng Amino Acids Co., Ltd.

Xi'an Wanlong Pharmaceutical Co., Ltd.

Hunan Warner Pharmaceutical Factory Chiral Drug Co., Ltd.

Sichuan Meidaikang Huakang Pharmaceutical Co., Ltd.

Chongqing Kailin Pharmaceutical Co., Ltd.

Jingjing Pharmaceutical Co., Ltd.

Shandong Qidu Pharmaceutical Co., Ltd.

Wuhan Yeasen Biotechnology Co., Ltd.

Shanghai Coastal Technology Co., Ltd.

Shaanxi Bai Lu Pharmaceutical Co., Ltd.

Porton Fine Chemicals Ltd

Jingzhou Jingzhuang Mingzhu Food Co., Ltd.

Hubei Laker Food Technology Co., Ltd.

Shandong Asde Technology Co., Ltd.

Shandong Sinocera Functional Material Co.,Ltd

Quzhou Huayou Cobalt New Materials Co., Ltd.

Huaxi Biotechnology (Tianjin) Co., Ltd.

Shandong Bailongchuangyuan Biotechnology Co., Ltd.

Shandong Lihai Run Biotechnology Co., Ltd.

Jiangsu Chuangjian Medical Technology Co., Ltd.

Jiangsu Donghui Biotechnology Co., Ltd.

Texas Huoyang Biotechnology Co., Ltd.

Changzhou Yulan Biotechnology Co., Ltd.

Anhui Nu Jian Biotechnology Co., Ltd.

Baikai Sheng (Jiangsu) Biotechnology Co., Ltd.

Shandong Fuyang Biotechnology Co., Ltd.

Zhongke Guosheng (Hangzhou) Technology Co., Ltd.

Guangzhou Yuanmei Biotechnology Co., Ltd.

Zhejiang Xingyue Biotechnology Co., Ltd.

Shandong JiaoZhuo Furida Biotechnology Co., Ltd.

Suzhou TimeAlgae Pharmaceuticals Co., Ltd.

Qianjiang Liwu Aquatic Products and Food Co., Ltd.

Inner Mongolia Mengniu Dairy (Group) Co., Ltd.

Ya'an Bitu High-Tech Materials Co., Ltd.

Institute of Jiangxi Rare Earths, Chinese Academy of Sciences

Weifu High-Technology Group Co., Ltd

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.