More than you ever wanted to know about Catalytic Converters

This is a document that describes the approximate values contained in each type of catalytic converter, with pictures.

This is by no means a definitive document, the values may be different than what you see. This is because sometimes some of the material is blown out, or the catalytic converter was made in a different year and the standards changed. Regardless, this document can give you a good idea of what catalytic converter has in PGM content, virgin. Please keep in mind this pertains to European cats, catalytic converters in the US will be different.

https://dl.dropbox.com/u/56505223/Re...Converters.pdf

Here is the American version of this catalog, or as best as I am able to provide at this time. I have another document somewhere and will post when I find it. This also has other information pertaining to scrapping cars, and how to sell on ebay, all very good information.

https://dl.dropbox.com/u/56505223/Re...gm-content.pdf

Here are some pictures and diagrams on catalytic converters that might be of some interest.

This is honeycomb material still in the can:



This is catalytic honeycomb removed from a can, but not well used, you can tell by the color it's light brown instead of grey or dark grey:



Here is an example of the ceramic honeycomb before it's coated with the catalytic metals:



Here is some well used catalytic material before ball milling and incineration:



Here is a mock up side cut of a catalytic converter that contains beads:





Here is a close up of catalytic bead material:

https://dl.dropbox.com/u/56505223/Ca...verters/12.jpg

This is a two stage catalytic converter, notice only two honeycomb bricks:



This is a three stage catalytic converter:



This is your basic exhaust setup: