Treated refractory material and methods of making
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United States of America Patent
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Jan 31, 2012
Grant Date -
Sep 11, 2008
app pub date -
Mar 7, 2007
filing date -
Mar 7, 2007
priority date (Note) -
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Abstract
A treated refractory material includes a sintered porous refractory material having one or more protective materials disposed within pores of the refractory material, wherein the protective material is selected from the group consisting of aluminum oxide, chromium oxide, silica, rare earth oxides, rare earth zirconates, titanium oxide, mullite, zirconium oxide, zirconium silicate, yttrium oxide, magnesium oxide, iron oxide, and blends thereof. Methods of preparing the treated refractory material are also provided. The treated refractory material provides protection from the penetration of slag and extends the service life of the refractory.
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