NOVEL METAL-CONTAINING ZEOLITE BETA FOR NOx REDUCTION AND METHODS OF MAKING THE SAME

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United States of America Patent

APP PUB NO 20110286914A1
SERIAL NO

13110337

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Abstract

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There is disclosed an organic-free, metal-containing zeolite Beta with a silica-to-alumina ratio (SAR) ranging from 5 and 20, and a metal content of at least 0.5 wt. %. There is also disclosed a method of making such a zeolite Beta without organic structure directing agent (SDA). The metal, which may comprise Fe or Cu, can be found in amounts ranging from 1-10 wt. %. A method of selective catalytic reduction of nitrogen oxides in exhaust gases using the disclosed zeolite is also disclosed.

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Patent Owner(s)

Patent OwnerAddress
PQ CORPORATIONP O BOX 840 VALLEY FORGE PA 194820840

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Cormier, William E Harleysville, US 18 222
Li, Hong-Xin Lansdale, US 35 279
Moden, Bjorn Glen Mills, US 16 188

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