A concept for an electrochemical reactor acting as a trap for the removal of soot particles from diesel exhaust gas has been developed and presented earlier [1].Only small scale flat plate samples tested with synthetic exhaust gas was presented. Since then, the sample size has been increased, and test on a diesel engine in a test bench has been carried out. Various concepts for the establishment of a sufficient filtering surface and for the electrical connections have been tested, and the construction of a muffler with an electrochemical reactor installed has been initiated. This is to be on a passenger car for on-road test.The preliminary bench test indicates a soot removal efficiency of 75-90% with no accumulation of soot at the reactor, at temperatures above 250°C.A separate project has been started to evaluate the possibilities of lean NOx removal on a similar reactor. Results from this will be reported separately.
Electrochemical Reactor for Exhaust Gas Purification
Sae Technical Papers
International Congress & Exposition ; 1999
1999-03-01
Aufsatz (Konferenz)
Englisch
Electrochemical reactor for exhaust gas purification
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