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Re: Waste Iron Powder
Warren - I just perused the "OIT Times" newsletter. They have several new
"Particulate Briquetting Technology for the Steel Industry"
"Dephosphorization when using direct reduced iron pellets or hot briquetted
maybe OIT would have some ideas for you.
secondly, Neal Hunter at the Center for Waste Minimization has much
expertise in the area of grinding swarf recovery (and end markets for the
material). He may have some good ideas for you.
Michelle Gaither, PPRC (and CWC)
From: Warren J. Weaver[SMTP:firstname.lastname@example.org]
Sent: Friday, August 18, 2000 4:33 PM
To: email@example.com; firstname.lastname@example.org
Subject: Waste Iron Powder
I have a client here in PA who makes a carrier for toner used in certain
types of copy machines. They use iron powder in their product to give it
the proper electro-magnetic properties. The iron powder they buy is
otherwise intended for the sintered metals industry. The particle size
distribution of the purchased powder is too wide for their use. Therefore
they screen out the material that is too coarse and the particles that are
too fine. This results in 50% waste. They used to be able to recycle
it-previously it was smelted into steel-but their sources to do so have
They generate between 3 - 4000 lbs./mo. They currently have 40,000 lbs. on
site (and growing) until they can find a recycling option.
Anybody have any thoughts? Why would it no longer be acceptable in
steel-making? Might there be other steel producers that would be interested
in it? Are there other possible uses?
You suggestions are appreciated.