EXHAUST GAS-PURIFYING FILTER
PROBLEM TO BE SOLVED: To provide a compact exhaust gas-purifying device.SOLUTION: An exhaust gas-purifying filter includes: a diesel particle collection filter; a second catalyst layer that is disposed on the filter and includes a catalyst having the function to oxidize ammonia; and a first catalyst...
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Main Authors | , |
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Format | Patent |
Language | English |
Published |
10.04.2014
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Subjects | |
Online Access | Get full text |
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Summary: | PROBLEM TO BE SOLVED: To provide a compact exhaust gas-purifying device.SOLUTION: An exhaust gas-purifying filter includes: a diesel particle collection filter; a second catalyst layer that is disposed on the filter and includes a catalyst having the function to oxidize ammonia; and a first catalyst layer disposed on the second catalyst layer and includes a catalyst having the function to reduce nitrogen oxides in the presence of ammonia. |
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Bibliography: | Application Number: JP20120206257 |