A clean way to re­cy­cle lead


Popular Science - - BEST OF WHAT’S NEW 2017 -

Lead-acid bat­ter­ies help you start your car. They back up server farms, and are 100 per­cent re­cy­clable. But the hot process of smelt­ing old lead into new bat­ter­ies is fos­sil­fu­eled and dirty. Aqua Met­als’ new AquaRefining method dis­solves the Pb us­ing a room-tem­per­a­ture elec­tro­chem­i­cal sys­tem that’s free of smelt­ing’s harm­ful emis­sions. It also pro­duces purer, high­erqual­ity lead than

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