Platinum in catalytic converters
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Category: Emissions Control
Subject: Platinum in catalytic converters
Question
Why is platinum used in catalytic converters?
What properties does it have to make it a suitable material for this role?
Why is platinum used over other materials such as silver or gold?
Answer
A discussion of the use of platinum in catalytic converters can be found in: S. E. Golunski, Platinum Metals Rev., 51, (3), 162.
Answer posted 16 July 2007
Submitted by: Mr Will Davis
Answered by: Dr Stan Golunski
Affiliation: Technology Manager of Gas Phase Catalysis, Johnson Matthey Technology Centre
