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Reducing Organics--Solvents, That Is.

Some organic solvents used in processing agricultural commodities are toxic. Curbing their use would reduce the amount of toxins released into the environment--a goal of the U.S. Environmental Protection Agency.

Solvents like hexane are used to get enzymes to act as a catalyst for chemical reactions. Now, solutions called ionic liquids are substituting for solvents in research laboratories. At room temperature, they behave as saltlike fluids. And combining use of ionic liquids with supercritical carbon dioxide is an even more effective way to perform enzymatic reactions. A synergism makes the two environmentally friendly techniques a better processing method when used together. Joseph A. Laszlo, USDA-ARS National Center for Agricultural Utilization Research, Peoria, Illinois; phone (309) 681-6322, e-mail laszloja@mail. Ncaur.usda.gov.
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Title Annotation:reducing the amount of toxins
Comment:Reducing Organics--Solvents, That Is.(reducing the amount of toxins)
Publication:Agricultural Research
Article Type:Brief Article
Geographic Code:1USA
Date:Oct 1, 2001
Words:123
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