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Re: FW: oil-bearing diatomaceous earth
Greg and Scott:
We did an aluminum rolling mill recently, too. They do quite a lot of
re-use already, so that may be of interest, but we also found quite a few
opportunities to reduce contamination and therefore prolong the life of the
oils. Some water-based substitutes, too, which can reduce some subsequent
If you would like the report, e-mail my colleage John at email@example.com.
>We conducted a site visit to an aluminum rolling mill recently. Their major
>waste stream of concern was a diatomaceous earth that filters the
>lubricating oils used in the rolling process. The "D.E." is currently
>allowed to go to a Subtitle D solid waste landfill. The company wants to
>have it burned at the power plant, but have been unable to because of Air
>Quality's PSD concerns. Do any of you all know of alternative filtration
>mechanism that would help the company clean and reuse their oils but not
>result in such a heavy disposal burden?
>NC Div. of Pollution Prevention & Environmental Asst.
Materials Productivity LLC (fka Waste Reduction Institute, Inc.)
1821 University Avenue
St. Paul, MN 55104