Catalyst – solid sorbent – or support therefor: product or process – Zeolite or clay – including gallium analogs – And additional al or si containing component
Reexamination Certificate
2005-05-03
2005-05-03
Johnson, Christina (Department: 1725)
Catalyst, solid sorbent, or support therefor: product or process
Zeolite or clay, including gallium analogs
And additional al or si containing component
C502S060000, C502S064000, C502S066000, C502S071000, C502S074000, C502S077000
Reexamination Certificate
active
06887815
ABSTRACT:
Porous material (1) for catalytic conversion of exhaust gases including a carrier with a first porous structure (2, 2′), and an oxidation catalyst (OX) which in the presence of oxygen (O2), according to a first reaction (3), has the ability to catalyze oxidation of nitrogen monoxide (NO) into nitrogen dioxide (NO2) and, according to a second reaction (4, 4′), to catalyze oxidation of a reducing agent (HC), which oxidation catalyst (OX) is enclosed inside the first porous structure (2, 2′). The invention is characterized in that the oxidation catalyst (OX) includes iron (Fe) and silver (Ag) loaded on a zeolite. The invention also relates to a method and an arrangement and a catalytic conversion device that utilizes the porous material, and indicates an advantageous use of the porous material.
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Cider Lennart
Habermacher David
Jobson Edward
Martens Johan A.
Tissler Arno
Johnson Christina
Novak Druce & Quigg, LLP.
Süd-Chemie AG
Volvo Technology Corporation
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