In the processes of drinking water, sewage treatment and seawater desalination, the commonly used research models are ultrafiltration cups or simple ultrafiltration devices. The method of conducting membrane flux tests using ultrafiltration cups has been well established. Ultrafiltration cups have become the basic equipment for concentrating and exchanging solutions of proteins, nucleic acids, viruses, nanomaterials, etc., as well as for membrane flux measurement. Guided by the principle of "prioritizing user experience", Wuhan Bonan has extensively collected and sorted user feedback. Corresponding to different maximum pressures, volumes, and membrane areas, parameters suitable ultrafiltration cups can be selected according to the customer's experimental conditions for membrane flux experiments.
The assembly, disassembly and operation of the ultrafiltration cup are quite simple. Compared with previous experiences, the current operation can be regarded as a kind of enjoyment.
2. Overall safety features: Internal thread fixation - built-in pressure lock/release valve design, eliminating the need for the previously ugly and difficult-to-assemble external protective frame.
3. The new design makes the disassembly and assembly of the ultrafiltration cup safer and more convenient, allowing for easier determination of whether the ultrafiltration cup has been correctly assembled.
4. The inlet and outlet pipelines are ingeniously designed, making them easy to install and remove while ensuring safety.
5. Eliminate leakage (this is a common problem with the older model products).
6. The stirring rod is designed more reasonably and safely, reducing damage to the membrane and prolonging the lifespan of the diaphragm.
7. A wider range of supporting membrane types is available, including ultrafiltration membranes and microfiltration membranes. There are more diverse and flexible options for accessories and spare parts, along with comprehensive support.
8. Provide a new version of the user manual and a concise guide to make the connection between pressure sources and sample operations clearer and more understandable.
Filter membrane cleaning:
After being used, the ultrafiltration membrane can be reused for up to 5 times with proper cleaning.
2. It can be cleaned using chemical cleaning agents, or with the help of a sponge and a mechanical device. However, mechanical cleaning may affect the service life of the membrane.
3. 1 - 2% Sodium Hydroxide (NaOH) solution: For cleaning organic contamination. 1 - 2% Hydrochloric Acid (HCL) solution: For cleaning colloidal contamination.
4. Specific enzyme solution: Wash the corresponding protein.
Filter membrane storage:
The ultrafiltration membranes are disinfected and preservative-treated before leaving the factory. They can be stored for 6 months (in a container with desiccant) when not in use. After use, they must be stored in a wet state. The preservation solution is a 0.5% formaldehyde solution. Before use, they can be rinsed with deionized water.
Dissolution and concentration of antibiotic resin analysis solution
Vitamin concentration
Separation and purification of oligosaccharides and starch sugars
Juice concentration and separation, plant extraction
Clarification and filtration of animal and plant catchments
The sterilization, clarification and filtration of soy sauce, vinegar, etc.
Removal of impurities in the monosodium glutamate solution
Removal of impurities such as glucose crystallization mother liquor
Desalination and concentration, replacing salting out and acid precipitation for amino acid separation, de-colorization and impurity removal, concentration, and desalination
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.
