Catalyst for selective NO x reduction using hydrocarbons

Details Catalyst for selective NO x reduction using hydrocarbons Catalyst for selective NO x reduction using hydrocarbons

2007-05-22

2007-05-22

Wood, Elizabeth D. (Department: 1755)

Catalyst, solid sorbent, or support therefor: product or process

Zeolite or clay, including gallium analogs

C502S065000, C502S066000, C502S073000, C502S074000, C502S077000, C502S078000, C502S079000

Reexamination Certificate

active

10384344

ABSTRACT:
A two phase catalyst is disclosed with one or more transition metals such as Cu, Co, Fe, Ag and Mo supported on a molecular sieve having a pore size not greater than 8 Å along with a stabilizing oxide of one or more of the oxides of Zr, Mo, V, Nb or the rare earths coating the molecular sieve. A method of preparing the two phase catalyst and using same to remediate NOxin combustion gases is also described.

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