Method and apparatus for reducing nitric oxide
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United States of America Patent
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Jan 20, 1981
Grant Date -
N/A
app pub date -
May 26, 1978
filing date -
May 26, 1978
priority date (Note) -
Expired
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Abstract
A method and apparatus for reducing nitric oxide in a gas with ammonia in the presence of a base metal catalyst pretreated with sulfur, selenium or a sulfur compound positioned in a reactor. The catalyst is deposited on a substrate or confined between gas-permeable walls and arranged to form open channels through which the nitric oxide-containing gas thereby effects low pressure drop through the reactor.
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