BiFei separation membranes can be applied to the following fields:

(1) Water treatment: manufacturing of ultrapure water and sterile water, reuse of reclaimed water, seawater desalination, zero wastewater discharge, etc.;

(2) Biochemical engineering: separation, concentration, and purification of fermentation products, membrane reactors to enhance enzyme reaction efficiency, enzyme separation and purification, concentration and purification of microbial biomass, etc.;

(3) Pharmaceuticals: concentration, separation, purification of physiologically active substances such as vaccines, enzymes, viruses, nucleic acids proteins, and hormone purification, artificial blood production, polysaccharide concentration and purification, pyrogen removal, sterile water production, etc.;

(4) Lithium extraction from salt lakes/Seawater mineral extraction: separation, concentration, and purification of valuable metals and non-metallic minerals;

(5) Food industry: recovery and purification of protein from soy oil and soy juice, recovery and purification of natural pigments, clarification and sterilization of fermented beverages, clarification and concentration of fruit juices, purification of MSG, etc.;

(6) Chemical industry: recovery and utilization of latex, concentration of colloidal silica, removal of oil particles, PVA recovery, recovery and reuse of chromium from leather wastewater, refining of dye surfactants, concentration of aqueous polymer solutions, oil refining, etc.;

(7) Machinery: treatment of various roling oils and cutting oils, various oil-water separations, and wastewater treatment, etc.;

(8) Textile dyeing and finishing: recovery and reuse of fiber processing oil agents, etc.;

(9) Electronic semiconductors: electronic-grade ultra-pure water, CMP nanometer particle polishing slurry, battery membranes, etc.