Ultrafiltration membranes operate based on the principle of sieving for separation. They can selectively retain organic substances with molecular weights ranging from 10,000 to 100,000 Daltons. This technology is suitable for the separation, concentration, and purification of large molecules and small molecules. From the perspective of the development process of membrane separation devices, the ultrafiltration device has evolved along with the development of reverse osmosis devices. The industrialized ultrafiltration devices by Bonna can replace traditional plate-and-frame, hollow fiber, and other forms of ultrafiltration, thereby achieving efficient, energy-saving, and environmentally friendly filtration, separation, purification, and concentration of materials.
During the operation of the ultrafiltration equipment, the aqueous solution is pushed by pressure and flows over the surface of the membrane. The substances smaller than the membrane pores and small molecules pass through the membrane and become the purified liquid (filtered liquid). The solutes larger than the membrane pores and solute groups are retained and are discharged along with the water flow, becoming the concentrated liquid. The working process of the ultrafiltration equipment is dynamic filtration, and the separation is completed in the flowing state. The solutes only deposit on the membrane surface to a limited extent. The ultrafiltration rate decays to a certain extent and tends to reach equilibrium, and the working performance of the ultrafiltration equipment can be restored through cleaning.
The ultrafiltration membrane elements are made from high-quality membrane products from a renowned company, ensuring that customers receive the currently superior organic membrane elements available in the world. This guarantees both the retention performance and membrane flux.
2. The system has a high recovery rate, and the resulting products are of excellent quality. It can achieve efficient separation, purification, and high-concentration of materials. The processing process does not involve phase changes, and it has no adverse effects on the composition of the materials. The separation, purification, and concentration processes are always carried out at normal temperatures, making it particularly suitable for the treatment of heat-sensitive substances. It completely avoids the drawback of high temperatures damaging biological active substances, effectively retaining the biological active substances and nutrients in the original material system.
3. The system has low energy consumption and a short production cycle. Compared with traditional equipment, the operating costs of the equipment are lower, which can effectively reduce production costs and enhance the economic benefits of the enterprise. The system's process design is advanced, with a high degree of integration, a compact structure, and a small floor area. The operation and maintenance are simple, and the labor intensity for workers is low.
4. The material used for the system's construction is food-grade stainless steel. It operates in a fully enclosed pipeline manner, ensuring a clean and hygienic environment on-site. It complies with GMP or FDA production standards. The control system can be customized according to the specific usage requirements of the users. Combined with Bona's advanced control software, it enables on-site centralized monitoring of important process operation parameters, avoiding human errors and ensuring the long-term stable operation of the system from multiple perspectives.
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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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 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.
The company has a service center that provides you with fast, efficient and cost-effective instrument repair services.
