Applications of Polyimide Gas Separation Membranes

The gas separation membranes arc applied to various fields, as summarized in Table 22.3. This section details some of these applications. 

H2 Refinery of petroleum recovery of H2 Chemical industry control the balance of H2/CO, recovery of H2, produce of high purity H2 Recovery of He fiom natural gas 

C02 Remove of acid gas fiom natural gas CO2 separation fiom landfil gas 

02/N2 Prevention discharge piping, seal of tank, transportation of powder, tanker for LPG, equipment of washing Prevention for oxidization molding resin, laser cutting, sorder process Foods prevention for oxidization, preservation and tranportation of perishable foods Medicines prevention of oxidization Metal prevention of oxidization 

Dehumidity Precision machines, measurement of machines, automatic controller, machines with air pressure Ozone generator Analytic equipment, laboratory equipment 

---