Abstract:Both α‐ketoglutaric acid (KGA) and pyruvic acid (PYR) are important keto acids. Efficient co‐production of KGA and PYR has been achieved in our previous work, and could significantly decrease the cost of fermentation production. KGA and PYR have similar physical and chemical properties. Hence, finding a way to separate the two keto acids efficiently has become a key challenge. In this study, different chromatographic methods have been investigated, including ion‐exchange chromatography, aluminum oxide chromato… Show more
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