Catalytic method and device for controlling VOC, CO and halogena

Details Catalytic method and device for controlling VOC, CO and halogena Catalytic method and device for controlling VOC, CO and halogena

1995-06-08

1997-07-01

Nguyen, Ngoc-Yen

Chemistry of inorganic compounds

Modifying or removing component of normally gaseous mixture

Organic component

423240S, 423247, 588207, B01D 5372

Patent

active

056435452

ABSTRACT:
A method and device for treating a gas stream comprising at least one non-halogenated carbonaceous compound and optionally at least one halogenated organic compound. The gas stream, at 100.degree. C. to 650.degree. C. and in the presence of oxygen is contacted with a first catalyst in a first catalyst zone. The first catalyst comprises a first catalytic material deposited on a low acidity support material. In this zone, the non-halogenated compound is selectively reacted to form innocuous materials such as water and carbon monoxide. This can be followed by contacting the gas stream with a second catalyst in a second catalyst zone. The second catalyst comprises a second catalytic material deposited on a high acidity support material. In this zone, the halogenated organic compounds are reacted.

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