[P2assist] looking for alternatives and ideas in dealing with waste sodium h ydroxide solutions

[Mark Jackson]

John,
The chemical sounds remarkably similar to sodium aluminate, an alkaline
aluminum liquid used to remove phosphorus from wastewater. This might be a
possibility.
Mark Jackson, CSP
Environmental Manager
Hog Slat, Inc.
800-594-4647
----- Original Message -----
From: "John Seymour" <john.seymour@ncmail.net>
To: "'p2assist@lists.p2pays.org'" <p2assist@ncc-1701d.p2pays.org>
Sent: Monday, December 02, 2002 2:10 PM
Subject: [P2assist] looking for alternatives and ideas in dealing with waste
sodium h ydroxide solutions


> Dear P2assist folks,
>
> A company has call us looking for alternatives to disposing of waste
sodium
> hydroxide solution that is buffered with dissolved aluminum (maybe 10% or
> more). They use the sodium hydroxide solution to dissolve aluminum.  If
they
> could get rid of the residual aluminum, they say, they could reuse the
> sodium hydroxide in the process. It would also be good if the waste could
be
> converted to something they could sell or give away for someone else to
use.
> We have a few ideas but would like to find out if anyone knows of
something
> that has worked, or is likely to work.
>
> Currently the company adjusts the pH, with muriatic acid, and then mixes
in
> fly ash, to solidify it, before they pay to send it to the landfill. The
> volume is about 2 to 3 large dumpsters (20 yard type) a year sent to the
> landfill.
>
> Any suggestions or recommendations on where to look would be appreciated.
>
> John Seymour
> NC Division of Pollution Prevention and Environmental Assistance
> 919/ 715-6503
> Pollution Prevention Pays at www.p2pays.org/
> Visit NC WasteTrader Waste Exchange and save at www.ncwastetrader.org
>
>
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