... 1)Type:KA401,402,403,404,405 2)Size: 1-2, 3-5, 4-6, 5-7 ... 1344-28-1 Activated Alumina Fluoride Adsorbent:Air,Gas drying,separationActivated alumina has much micro-paths, so ... can widely used in the deep drying of cracked gas, ethylene and propylene, hydrogen-generation, air separation, ... absorbing pollution material, such as H2S, SO2, HF and paraffin in the water gas, especially in the drinking ...