Experimental Study on Catalytic Reduction of SO2 by Rare Earth Compound

Zhe Hua Du

doi:10.4028/www.scientific.net/AMR.955-959.2173

Paper Titles

Analysis on Water Consumption and Water-Saving Technology of Wet-Ash Transportation System
p.2151

Applicability from Earthworms to Live in the Soil with PAHs
p.2155

Degradation of p-Chloronitrobenzene in Aqueous Solution by Iron Silicate Catalytic Ozonation
p.2162

Effect of Fractal Dimension of Powder Activated Carbon on SO₂ Adsorption
p.2169

Experimental Study on Catalytic Reduction of SO₂ by Rare Earth Compound
p.2173

Model Experimental Study of SCR Reactor Flow Optimization in 1000MW Coal-Fired Boiler
p.2177

Pollution Analysis and Control of Non-Ferrous Metal Smelting Production
p.2182

Preliminary Study on Purification of Aquaculture Wastewater by Microbial Nano-Silica Ball
p.2187

Research on Absorbing Heavy Metal Ions of Landfill Leachate by PAMPS
p.2192

HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 955-959Experimental Study on Catalytic Reduction of SO2...

Experimental Study on Catalytic Reduction of SO₂ by Rare Earth Compound

Abstract:

Compared with a great deal of traditional desulphurization crafts, the catalytic reduction of SO₂ with CO to elemental sulfur is considered to be the best technology for the removal of SO₂ from flue gas. Adding rare earth oxide CeO2 with variable valences to La₂O₃ formed a mixture of rare earth oxides. By means of dipping CeO₂, La₂O₃ and their mixture, whose carriers are allγ-Al₂O₃, are used as the catalyst for the reduction of SO₂ by CO. The activation process of this catalyst without O₂ was investigated. The result shows that the rare earth oxide mixture composing of CeO₂ and La₂O₃, as the catalyst for the reduction of SO₂ by CO, can remove SO₂ mostly without O₂.