Automotive exhaust catalysis
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Cites background from "Automotive exhaust catalysis"
...Other major accomplishments are associated with the substantial replacement of platinum and rhodium with the less expensive palladium in automotive three-way catalysts (TWCs) (7) and diesel oxidation catalysts (8)....
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...Observations made years ago established that rhodium undergoes a deleterious hightemperature interaction with alumina under oxidizing conditions (7, 69)....
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References
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"Automotive exhaust catalysis" refers background in this paper
...However, it quickly became apparent that the base metals (oxides of Ni, Cu, Co, Mn, and Cu/Cr, for example) lacked the intrinsic reactivity, durability, and poison resistance required for automotive applications [2–5,7]....
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...Their contributions go far beyond advances in catalyst technology alone, and a number of detailed reviews have been published that cover the broad waterfront of automotive emissions control [1–9]....
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