Chemical Characterization of Mesoporous Material Supported ZnO Nanoparticles for Hydrogen Sulfide Capture from Gas Streams

Abstract:

A series of zinc oxide-modified mesoporous SBA-15 materials were synthesized. The desulphurization test with a gas mixture containing 0.1 vol % hydrogen sulfide was carried out on these materials. Materials before and after the desulphurization test were analyzed using a variety of characterization techniques. The results suggest that zinc oxide modification can accelerate the transformation from a mesoporous to a zeolitic phase. The sample with the zinc content higher than 15.5 wt % shows the highest hydrogen sulfide breakthrough capacity up to 177.3 mg S/g.

• Periodical: Advanced Materials Research (Volumes 129-131)
• Pages: 143-148
• DOI: https://doi.org/10.4028/www.scientific.net/AMR.129-131.143
• Online since: August 2010
• Authors: Xiao Hui Wang
• Keywords: Desulfurization, Hydrogen Sulfide (H₂S), Mesoporous Material, Nanoparticle, Waste Air

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