Application of potash glass as a catalyst for diesel soot oxidation

A novel approach for catalyzing diesel soot oxidation with a potash glass is reported. A simple potash glass (35K 2O:2SiO 2:13CaO weight ratio) was synthesized and examined for activity for the combustion of diesel soot under various contact and atmospheric conditions by thermogravimetric analysis (...

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Bibliographic Details
Published inCatalysis communications Vol. 10; no. 5; pp. 509 - 512
Main Authors An, Hongmei, Su, Changsheng, McGinn, Paul J.
Format Journal Article
LanguageEnglish
Published Elsevier B.V 01.01.2009
Subjects
Carbon oxidation
Catalytic combustion
Diesel soot
Potash glass
Potassium catalyst
Diesel soot
Carbon oxidation
Catalytic combustion
Potassium catalyst
Potash glass
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Summary:A novel approach for catalyzing diesel soot oxidation with a potash glass is reported. A simple potash glass (35K 2O:2SiO 2:13CaO weight ratio) was synthesized and examined for activity for the combustion of diesel soot under various contact and atmospheric conditions by thermogravimetric analysis (TGA). The glass was found to be an effective soot oxidation catalyst. Leaching of potassium from the glass helps to mitigate the effect of potassium loss during combustion, offering an effective means to maintain the surface activity of the glass catalyst, as seen from repeated TGA cycling.
ISSN:1566-7367
1873-3905
DOI:10.1016/j.catcom.2008.10.019