Chemical Engineering February 2014 - 5

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Green chemistry reaps rewards
ach year, the U.S. Environmental Protection Agency (EPA; Washington,
D.C.; www.epa.gov) honors innovative technologies that
make an impact in reducing hazards to human health and the
environment. As these are goals that the chemical process industries
(CPI) continuously strive for, news of such achievements is of
great interest.
Over the past 18 years of the Presidential Green Chemistry ChalE
lenge
program, the EPA has received around 1,500 nominations and
has presented awards for 93 technologies. The EPA reports that these
technologies have collectively reduced the use, or generation of, more
than 826 million pounds of hazardous chemicals, saved 21 billion gallons
of water and eliminated 7.8 billion pounds of CO2-equivalent releases
to the air.
The winners of the 2013 Presidential Green Chemistry Challenge
Awards were announced in December, and are briefly described
here (Source: EPA):
Designing Greener Chemicals Award - Cargill Inc. (Minneapolis,
Minn.; www.cargill.com) was the recipient of this award for developing
a transformer fluid that is based on vegetable oil instead
of petroleum. The advantages of Cargill's bio-based oil are said to be
that it is significantly less flammable and less toxic than the mineral
oils currently in use; it provides superior performance so that transformers
can last longer in service and be made smaller; and it has a
smaller carbon footprint.
Greener Reaction Conditions Award - The Dow Chemical Company
(Midland, Mich., www.dow.com) received this award for helping
to reduce the amount of titanium dioxide needed in paint formulations
by developing a pre-composite polymer that coats the TiO2 particles
and improves their dispersion in the paint. TiO2 is typically
used as the white pigment in paint formulations, and often high
levels of TiO2, which is energy-intensive to produce, are needed. Dow
Chemical's technology reduces energy usage, water consumption,
NOx and SOx emissions and algae bloom.
Greener Synthetic Pathways Award - Life Technologies Corp.
(Carlsbad, Calif.; www.lifetechnologies.com) was honored with this
award for its development of a more efficient way to manufacture the
key chemicals (deoxyribonucleotide triphosphates) used to perform
genetic testing. The new process reduces the amount of hazardous
waste by about 1.5 million pounds per year.
Academic Award - This award was presented to Richard Wool of
the University of Delaware (Newark; www.udel.edu) for his work on
using bio-based feedstocks to make products that can be used in applications
such as adhesives, composites, foams and others. The advantages
include saving water and energy, as well as producing less hazardous
waste materials as compared to petroleum-based processes.
Small Business Award - Hexavalent chromium is used in certain
chrome-plating applications. Cr(VI) is, however, a
carcinogen. Faraday Technology, Inc. (Clayton, Ohio;
www.faradaytechnology.com) won this award for developing
a plating process that uses Cr(III), a much
less toxic form of chromium, in place of Cr(VI).
More information about the awards, winners and
overall program can be found at www2.epa.gov/
green-chemistry.
■
Dorothy Lozowski, Editor in Chief
4 Choke Cherry Road, Second Floor
Rockville, MD 20850 * www.accessintel.com
ChemiCal engineering www.Che.Com February 2014 5
http://www.epa.gov http://www.cargill.com http://www.dow.com http://www.lifetechnologies.com http://www.udel.edu http://www.faradaytechnology.com http://www2.epa.gov/ http://www.accessintel.com http://www.Che.Com
Chemical Engineering February 2014

Table of Contents for the Digital Edition of Chemical Engineering February 2014
