Chemistry of inorganic compounds – Modifying or removing component of normally gaseous mixture – Solid component
Patent
1988-09-01
1991-07-02
Russel, Jeffery E.
Chemistry of inorganic compounds
Modifying or removing component of normally gaseous mixture
Solid component
55 96, 55283, 60295, B01D 5336, B01D 4604, F01N 334, F01N 338
Patent
active
050284053
ABSTRACT:
The invention relates to a process for the discontinuous burning off of carbon deposited on the heat-resistant exhaust gas filter of an internal combustion engine, particularly a diesel internal combustion engine. At least one metal must be present during this process. The problem of ensuring the combustion of the carbon at the minimum temperature and of achieving a long filter life, is solved in a particularly advantageous manner through the use of an organic complexing agent able to form a complex with the metal and/or an organo-metallic complex compound of the metal with the organic complexing agent.
The invention also relates to an apparatus for performing the inventive process. For this purpose, the exhaust gas filter preferably has at least two, at least temporarily separately operable filter units.
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Erdmannsdoerfer Hans
Numrich Rudi
Wagner Manfred
Weyh Gerd
Zundel Fritz
Filterwerk Mann & Hummel GmbH
Russel Jeffery E.
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