Ultrafiltration membrane equipment
Ultrafiltration membraneis used for artificial membrane permeation in ultrafiltration process. It is generally made of polymer materials such as cellulose acetate, cellulose acetate ester, polyethylene, polysulfone and polyamide. Generally, various types of membrane modules such as tube type, plate type, roll type and capillary type are made in advance, and then multiple modules are assembled and applied together to increase the filtration area and facilitate maintenance.
Principle
Ultrafiltration membrane is a kind of polymer semi permeable membrane used in ultrafiltration process, which can separate a certain size of polymer colloid or suspended particles from solution. Driven by pressure, the pore size of the membrane is 1~100 nm, which belongs to the type of asymmetric membrane. The pore density is about 10 / cm and the operating pressure difference is 100 ~ 1000kPa. It is suitable for removing colloidal particles and macromolecules, and can separate solutions with a concentration of less than 10%
Application
Waste water treatment
Ultrafiltration membrane technology is also applied to the treatment of circulating sewage from power plants, cooling circulating sewage from mining areas, pulp and paper bleaching wastewater, sewage from iron and steel enterprises and other industrial wastewater
Food
The main applications in food are the concentration and clarification of fruit juice, beer production and the extraction of nutrients,In addition, Hesperidin, protein, polysaccharide and melamine were extracted by ultrafiltration.
Drug separation
It is used for drug separation and purification, pyrogen removal, sterilization, etc., especially in the separation and extraction of antibiotics and vitamins. It solves the emulsification problem in the extraction process of antibiotics, and improves the extraction yield and product quality
