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1 Polish Journal of Chemistry

1 2008

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The Activity of SO2 Removal from Combustion Gases by the DESONOX Type Catalyst Supported on by the DESONOX Type Catalyst Supported on Montmorillonite and Zeolite

Marcewicz-Kuba A., Olszewska D.

Polish Journal of Chemistry

2008

Vol. 82, nr 1-2

43-47

In this paper the authors compared the modified montmorillonite and synthetic zeolite used as supports of the DESONOX type catalyst with the standard catalyst based on MgO. The addition of DESONOX catalyst doped with vanadium ions to combusted hard coal (mass ratio coal to catalyst was 500:1) results in SO2 removal from exhaust gases within the range from 57% to 67% for catalysts based on modified montmorillonite. The DESONOX catalyst based on zeolite is better than those based on montmorillonite. A study of supports and catalysts texture shows that the active material with vanadium ions accumulates on the pores exit and decreased pores radius and size, as well as specific surface areas of obtainedmaterials. Prepared catalysts are better than the standardDESONOX catalyst.