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Microwave improvement of catalyst performance in soot oxidation without additives

Paper ID Volume ID Publish Year Pages File Format Full-Text
48805 46522 2007 7 PDF Available
Title
Microwave improvement of catalyst performance in soot oxidation without additives
Abstract

The application of microwaves allows to overcome technical hitches related to the regeneration of soot-filters allowing to perform it independently on the engine operating conditions. The performance of a SiC foam filter during microwave regeneration was investigated with and without a catalyst coating. The regeneration efficiency and the energy required for regeneration were evaluated for catalytic and uncatalytic SiC foams by varying the operating conditions of soot trapping.Results showed that for both catalytic foams, Fe/V/K and Cu/V/K, the capability to be heated independently of the amount of soot allows to maintain temperature sufficiently high to perform a complete foam filter regeneration. Moreover, the microwave absorbing properties of the catalytic phases allow to perform regeneration with a lower energy consumption with respect to the uncatalytic case. The presence of a catalyst also allows to overcome the dependence of microwave-assisted regeneration process on the operating conditions of soot loading.

Keywords
Microwave; Soot; Foam; Filter; Catalyst
First Page Preview
Microwave improvement of catalyst performance in soot oxidation without additives
Publisher
Database: Elsevier - ScienceDirect
Journal: Applied Catalysis B: Environmental - Volume 70, Issues 1–4, 31 January 2007, Pages 254–260
Authors
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Subjects
Physical Sciences and Engineering Chemical Engineering Catalysis