[GRRN] Gypsum for sewage treatment, composting?

John Reindl (reindl@co.dane.wi.us)
Thu, 25 Mar 1999 09:43:32 -0600

Hi Roger -

Thanks for the references to the web pages on adding gypsum to
composting operations. . I've downloaded their material and am now
reading through it to see what I can find.

You asked me to send to the lists any information I find on ways to
recycle drywall.

Actually, I've been compiling this information for a couple of years
and have an 80+ page bibliography that I would be glad to send to
anyone at no cost. Unfortunately, it's not organized in any
particular order, so items are listed as I came across them. But it
hopefully will still be of help to people interested in the subject.

Let me first add the new items that I've found here and then I will
email you a copy.

Thanks again,


> Dear John:
> I've located information on research that was done several years ago by
> the Agricultural Research Service on using scrap gypsum wallboard as a
> soil amendment. The web references to this research are provided
> below:
> http://www.barc.usda.gov/psi/korcak/rk-gyp-o.htm
> http://www.ars.usda.gov/is/cgi-bin/ffp.pl/is/np/agbyproducts/agbycontents.htm?gypsum
> and composting#first_hit
> In addition, I have provided the web address for the Gypsum Association,
> which funded this research, for further follow-up.
> http://www.gypsum.org/main.html
> If you received information on other beneficial uses of scrap gypsum
> wallboard as a result of your query I would appreciate it if it can be
> posted online.
> Sincerely,
> Roger M. Guttentag
> 215-513-0452
> Read <italic>Recycling in Cyberspace</italic> in Resource Recycling
> March 1999 topic - Big City Recycling
> April 1999 topic - Conducting searches for multimedia files.
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