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Recovery of glutamic acid from isoelectric supernatant using electrodialysis

机译：使用电渗析法从等电上清液中回收谷氨酸

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摘要

Two electrodialysis processes:two-compartment bipolar membranes electrodialysis and modified traditional electrodialysis,were developed to recover glutamic acid from isoelectric supernatant.High recovery ratio of glutamic acid was obtained by these two methods.The pretreatment degree of isoelectric supernatant,initial concentration of glutamic acid and operation voltage significantly affected the average transfer rate of glutamic acid,average current efficiency and energy consumption.Energy consumption was reduced by gradually adjusting the operation voltage in the modified traditional electrolysis.Comparison of the two electrodialysis processes indicated that the modified traditional electrodialysis was more efficient method than two-compartment BMED.Higher recovery ratio of glutamic acid and lower energy consumption were obtained by the modified traditional electrodialysis.
机译：两种电渗析方法：开发两室双极膜电渗析法和改进的传统电渗析法，以从等电上清液中回收谷氨酸。这两种方法均获得了高谷氨酸回收率。等电上清液的预处理程度，谷氨酸初始浓度操作电压对谷氨酸的平均转移速率，平均电流效率和能量消耗有显着影响。在改进的传统电解中通过逐渐调节操作电压可以降低能耗。两个电渗析过程的比较表明，改进的传统电渗析效果更好。通过改进的传统电渗析技术获得了更高的谷氨酸回收率和更低的能耗。

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