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Stanford team devises new bio-inspired strategy for using CO2 to produce multi-carbon compounds such as plastics and fuels

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In the paper in Nature they showed that intermediate-temperature (200 to 350 ˚C) molten salts containing caesium or potassium cations enable carbonate ions (CO 3 2– ) to deprotonate very weakly acidic C–H bonds, generating carbon-centered nucleophiles that react with CO 2 to form carboxylates. —Banerjee et al.

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JBEI scientists use CO2 to control toxicity of ionic liquids in biomass pretreatment; lowering production costs

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Of the ionic liquids, the scientists determined that cholinium lysinate, an ionic liquid formed by mixing the amino acids choline and lysine, was most compatible with commercially available enzyme mixtures and fermentation mixtures. The process is easily reversible, allowing the liquid to be recycled for use as a solvent again.