Web Date: November 15, 2010
Mining Industrial Waste For Medicine
Every year, factories producing a key ingredient used in dyes and detergent brighteners generate 500 billion gal of toxic wastewater. Now Chinese researchers have developed a process to turn that waste into a drug used to treat multi-drug resistant tuberculosis (Environ. Sci. Technol., DOI: 10.1021/es101950k).
Industrial-scale production of dye-precursor 4,4'-dinitrostilbene-2,2'-disulfonic acid (DNS) creates byproducts that are generally tough to break down . . .
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