... be used as absorbent desiccant and catalyst carrier. It is also a kind of trace water desiccant and the pole-molecular absorbent, ... crack. It can widely used in the deep drying of cracked gas, ethylene and propylene, hydrogen-generation, air separation, instrument air drying ... the absorbing pollution material, such as H2S, SO2, HF and paraffin in the water gas, especially in the drinking water ...