Chemical engineers at Rice University have unveiled a set of techniques for cleanly converting problematic biofuels waste into profitable chemicals. New research in the journal Metabolic Engineering describes a new fermentation process that allows E. coli and other enteric bacteria to convert glycerin -- the major waste byproduct of biodiesel production -- into formate, succinate and other valuable organic acids. The researchers say the technology could yield a new platform for "green" chemical production
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