METHOD FOR PRODUCING NOx REMOVAL CATALYST FOR HIGH-TEMPERATURE EXHAUST GAS

Provided is a method for producing a NOx removal catalyst for high-temperature exhaust gas, comprising: calcining a mixture comprising ZrO2 and TiO2 with a ZrO2 content ratio of 15% by weight to 55% by weight at 500±15° C. to obtain a composite oxide support and supporting tungsten oxide on the comp...

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Bibliographic Details
Main Authors FUJII SHUJI, YONEMURA MASANAO, NOCHI KATSUMI, IWAMOTO KAZUHIRO
Format Patent
LanguageEnglish
Published 28.05.2015
Subjects
CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOIDCHEMISTRY
PERFORMING OPERATIONS
PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
THEIR RELEVANT APPARATUS
TRANSPORTING
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Summary:Provided is a method for producing a NOx removal catalyst for high-temperature exhaust gas, comprising: calcining a mixture comprising ZrO2 and TiO2 with a ZrO2 content ratio of 15% by weight to 55% by weight at 500±15° C. to obtain a composite oxide support and supporting tungsten oxide on the composite oxide, support, followed by calcination at 650±15° C. to obtain a powder catalyst.
Bibliography:Application Number: US201214409071