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    • 8. 发明授权
    • Integrated process for producing carboxylic acids from carbon dioxide
    • 从二氧化碳生产羧酸的综合方法
    • US09175407B2
    • 2015-11-03
    • US13724339
    • 2012-12-21
    • Liquid Light, Inc.
    • Jerry J. KaczurKyle Teamey
    • C25B3/04C25B1/22C07C51/02C25B3/02C25B9/08C25B3/06C07C51/10C07C51/41
    • C25B1/22C07C51/02C07C51/10C07C51/41C25B3/02C25B3/04C25B3/06C25B9/08Y02P20/125Y02P20/133Y02P20/582C07C53/06C07C55/07
    • The present disclosure is a method and system for production of carboxylic based chemicals, including carboxylic acids and salts. A method for producing at oxalic acid may include receiving an anolyte feed at an anolyte region of an electrochemical cell including an anode and receiving a catholyte feed including carbon dioxide and an alkali metal hydroxide at a catholyte region of the electrochemical cell including a cathode. Method may include applying an electrical potential between the anode and cathode sufficient to reduce the carbon dioxide to at least one reduction product and converting the at least one reduction product and the alkali metal hydroxide to an alkali metal oxalate via a thermal reactor. The method may further include receiving the alkali metal oxalate at an electrochemical acidification electrolyzer and converting the alkali metal oxalate to oxalic acid at the electrochemical acidification electrolyzer.
    • 本公开是用于生产羧基化学品的方法和系统,包括羧酸和盐。 草酸生产方法可包括在包括阳极的电化学电池的阳极电解液区域接收阳极电解液进料,并在包括阴极的电化学电池的阴极电解液区域接收包含二氧化碳和碱金属氢氧化物的阴极电解质进料。 方法可以包括在阳极和阴极之间施加足以将二氧化碳还原成至少一种还原产物的电势,并通过热反应器将至少一种还原产物和碱金属氢氧化物转化成碱金属草酸盐。 该方法可以进一步包括在电化学酸化电解器处接收碱金属草酸盐,并在电化学酸化电解器中将碱金属草酸盐转化成草酸。