New Uses for Glycerin Could Include Biodegradable Packaging
- From: "Blue Ridge Clean Fuels" <brcfi@xxxxxxxxxxxxx>
- To: "VA Biofuels Forum list" <biofuels-forum@xxxxxxxxxxxxx>
- Date: Fri, 16 Sep 2005 09:27:59 -0400
Combining glycerol and the agricultural commodity citric acid can be used to
make
a new product, the U.S. Department of Agriculture (USDA) announced in
August. The
USDA Agricultural Research Service (ARS) discovered that biodegradable
packaging
from the biodegradable polymers of this combination could create a new
market for
glycerin left over from the production of biodiesel.
Because one attribute of citric acid is that it is used in the food industry
as
a retardant to browning in cut fruits and vegetables, the new citric
acid-based
polyesters may prove useful as a packaging material. The complete text of
the news
release is posted at http://www.ars.usda.gov/News/docs.htm?docid=1261.
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