Automotive exhaust catalysis: Is periodi
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P.L. Silveston
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Article
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1996
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Elsevier Science
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English
β 662 KB
The control loop designed to maintain a stoichiometric A/F ratio for the efficient operation of three way catalysts used in automotive catalytic eonve~ers imposes a 0.5 to 1 Hz modulation onto the exhaust composition reaching the converter. Although many laboratory studies show composition modulatio