This paper analyses the tasks,problems and relevant factors in the each phase of the KDD process, discusses the KDD's process drive strategies and their advantages and disadvantages,introduces the relevant operato...This paper analyses the tasks,problems and relevant factors in the each phase of the KDD process, discusses the KDD's process drive strategies and their advantages and disadvantages,introduces the relevant operators and technologies and proposes an idea of mixed drive strategy.展开更多
为解决传统谷氨酸发酵液处理工艺所得的产物谷氨酸铵(NH_4GA)含量低的问题,采用以国产异相离子交换膜的电驱动膜过程对发酵液进行浓缩,提高NH_4GA的含量,以利于后续NH_4GA进一步向谷氨酸钠转化。对电驱动膜过程进行了实验验证及工艺优...为解决传统谷氨酸发酵液处理工艺所得的产物谷氨酸铵(NH_4GA)含量低的问题,采用以国产异相离子交换膜的电驱动膜过程对发酵液进行浓缩,提高NH_4GA的含量,以利于后续NH_4GA进一步向谷氨酸钠转化。对电驱动膜过程进行了实验验证及工艺优化。结果表明,在浓室和淡室循环流速比2:1、电流密度25 m A/cm^2、浓缩液和料液初始体积比1:5的优化条件下,最终浓缩液NH_4GA的质量分数可达27.1%,收率63%,能耗1.14 k Wh/kg。由此可缩短发酵液处理工艺流程,并可供各种高盐水体的再浓缩参考。展开更多
文摘This paper analyses the tasks,problems and relevant factors in the each phase of the KDD process, discusses the KDD's process drive strategies and their advantages and disadvantages,introduces the relevant operators and technologies and proposes an idea of mixed drive strategy.
文摘为解决传统谷氨酸发酵液处理工艺所得的产物谷氨酸铵(NH_4GA)含量低的问题,采用以国产异相离子交换膜的电驱动膜过程对发酵液进行浓缩,提高NH_4GA的含量,以利于后续NH_4GA进一步向谷氨酸钠转化。对电驱动膜过程进行了实验验证及工艺优化。结果表明,在浓室和淡室循环流速比2:1、电流密度25 m A/cm^2、浓缩液和料液初始体积比1:5的优化条件下,最终浓缩液NH_4GA的质量分数可达27.1%,收率63%,能耗1.14 k Wh/kg。由此可缩短发酵液处理工艺流程,并可供各种高盐水体的再浓缩参考。
