| abstract |
A zeolite adsorbent having good transfer properties and useful for gas separation and purification, and a method of using the same are provided. The method includes at least one type of FAU-type zeolite and has a capacity of 20 m 2 . external surface area greater than g −1, non-zeolitic phase (PNZ) content such that 0 <PNZ ≦ 30%, Si / Al atomic ratio between 1 and 2.5, 0.08 cm 3 . 0.25cm 3 from g -1. A zeolite adsorbent and method of use having a mesopore volume between g -1 and a (Vmicro-Vmeso) / Vmicro ratio of -0.5 to 1.0 without including boundary values. [Selection diagram] None |