Write any two achievements of green chemistry?
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Designing Greener Chemicals Award — The Solberg Company (Green Bay, Wisc.; www.solbergfoam.com) replaced fluorinated surfactants in its firefighting foam concentrate with a blend of non-fluorinated surfactants and sugars. The new foams eliminate the significant health and environmental concerns associated with the fluorinated surfactants, which are considered to be persistent, bioaccumulative and toxic (PBT). The new foam concentrates have achieved full regulatory compliance with fire-protection standards and are considered to be as good as, or even superior to the fluorinated materials.
Greener Reaction Conditions Award — QD Vision Inc. (Lexington, Mass.; www.qdvision.com) received this award for developing high-quality quantum dots that are used for energy-efficient display and lighting products, and for manufacturing them using a “greener” process. The synthesis is estimated to use about 40,000 gal/yr less solvent and replaces organo-cadmium and organo-zinc building blocks with less hazardous precursors.
Greener Reaction Conditions Award — QD Vision Inc. (Lexington, Mass.; www.qdvision.com) received this award for developing high-quality quantum dots that are used for energy-efficient display and lighting products, and for manufacturing them using a “greener” process. The synthesis is estimated to use about 40,000 gal/yr less solvent and replaces organo-cadmium and organo-zinc building blocks with less hazardous precursors.
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EPA means environmental protection agency EPA
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