... )CAS NO.1344-28-1 Activated Alumina Fluoride Adsorbent:Air,Gas drying,separationActivated alumina has much micro-paths, so ... absorbent, according to the absorbed molecular polarization, the attachment force is strong for water, oxide, acetic acid, alkali etc ... of cracked gas, ethylene and propylene, hydrogen-generation, air separation, instrument air drying and fluorine treatment for H2O2, also in ...