Abstract
The faujasite framework structure and the morphological properties of Co2+-exchanged NaX zeolite were maintained when samples were treated at a temperature ≤600℃, but were distorted at higher temperature. The cobalt (II) exchange and thermal treatment processes significantly improved the H2S adsorption capacity of the NaX zeolite and the highest values were 4.24 mg g−1 for 0.10-CoX-600 and 4.42 mg g−1 for 0.15-CoX-600. Moreover, the first-order adsorption kinetic showed a relatively good fit when applied to the experimental data for the H2S adsorption process.
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