C - Chemistry – Metallurgy – 25 – B
Patent
C - Chemistry, Metallurgy
25
B
C25B 3/00 (2006.01)
Patent
CA 2627192
The present invention provides methods and apparatus for controlling catalytic processes, including catalyst regeneration and soot elimination. An alternating current is applied to a catalyst layer and a polarization impedance of the catalyst layer is monitored. The polarization impedance may be controlled by varying the asymmetrical alternating current. At least one of water, oxygen, steam and heat may be provided to the catalyst layer to enhance an oxidation reaction for soot elimination and/or to regenerate the catalyst.
L'invention concerne des procédés et un dispositif de commande de processus catalytiques, y compris la régénération du catalyseur et l'élimination des suies. Le procédé comporte les étapes consistant à: appliquer un courant alternatif sur une couche de catalyseur et surveiller l'impédance de polarisation de ladite couche; régler l'impédance de polarisation en faisant varier le courant alternatif asymétrique; appliquer au moins un des éléments du groupe comprenant l'eau, l'oxygène, la vapeur et la chaleur sur la couche de catalyseur pour renforcer la réaction d'oxydation, afin d'éliminer les suies et/ou de régénérer le catalyseur.
Pappas Peter
Seetharaman Sridhar
Stancovski Victor
Catelectric Corp.
Ridout & Maybee Llp
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