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December 2006

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Subject:
From:
Hernefjord Ingemar <[log in to unmask]>
Reply To:
TechNet E-Mail Forum <[log in to unmask]>, Hernefjord Ingemar <[log in to unmask]>
Date:
Mon, 18 Dec 2006 10:23:12 +0100
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Hi all,

This time it seems as the article is not so old as the one I used some
weeks ago. 
Now, the Lead amount and recycling efficiency is little different, but
still disadvantageous compared to Tin, Copper, Gold and others. Still, I
can't understand how one can recycle 70% of the Tin from the soldered
boards, while only 5% of the Lead, in one and the same recycling
process.

http://www.sclf.ca/hazards.php

http://www.recycleworks.org/ewaste/ewaste_process.html


According to the below link, the (general) Lead recycling efficiency is
95% !! 

http://pubs.usgs.gov/of/2001/of01-170/of01-170.pdf


Do the green organisations present statistics? I still doubt....


Inge
SMW

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