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Grande-paroisse S.a.

Institut Regional Des Matariaux Avances (irms)

Karine Malefant

Christian Hamon

Geneviève Neveu, Legal Representative

Genevi&egrave;ve Neveu

A catalyst for reducing the nitrous oxide content in gas, which operates at relatively low temperatures, the activity of which is relatively insensitive to the presence of water vapor and which is highly resistant to hydrothermal degradation, is prepared from ferrierite exchanged with iron. Application to the treatment of gases with a low NO content, such as gases resulting from plants for the manufacture of nitric acid, and of gases with a high NO content, which are emitted during oxidations of organic compounds by nitric acid.

Catalyst based on ferrierite/iron for catalytic reduction of nitrous oxide

A process and catalyst for reducing the nitrous oxide content in gas, which operates at relatively low temperatures, the activity of which is relatively insensitive to the presence of water vapour and which is highly resistant to hydrothermal degradation, is prepared from ferrierite exchanged with iron. Application to the treatment of gases with a low N O content, such as gases resulting from plants for the manufacture of nitric acid, and of gases with a high N O content, which are emitted during oxidations of organic compounds by nitric acid.

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Queven, France

Karine Malefant