Distribution of contaminants used in automotive emission catalysts

Distribution of lead, zinc, iron, phosphorus, and sulfur in used automotive catalysts is determined by electron microscopy and the electron probe analyzer. Lead, phosphorus, and sulfur penetrate and coat the catalyst's washcoat micropore structure, thus accounting for their poisoning effect on...

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Published in:Environmental science & technology 1975-02, Vol.9 (2), p.139-143
Main Authors: Bomback, John L, Wheeler, Mary A, Tabock, Jack, Janowski, J. Daniel
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Language:English
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container_issue 2
container_start_page 139
container_title Environmental science & technology
container_volume 9
creator Bomback, John L
Wheeler, Mary A
Tabock, Jack
Janowski, J. Daniel
description Distribution of lead, zinc, iron, phosphorus, and sulfur in used automotive catalysts is determined by electron microscopy and the electron probe analyzer. Lead, phosphorus, and sulfur penetrate and coat the catalyst's washcoat micropore structure, thus accounting for their poisoning effect on catalytic activity.
doi_str_mv 10.1021/es60100a001
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title Distribution of contaminants used in automotive emission catalysts
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