吴思辰,翟持

• 1:昆明理工大学化学工程学院

摘要(Abstract)：

针对乙醇间歇发酵生产速率低、劳动强度大，连续发酵会带来基质损失，甚至可能导致系统失稳的问题，探讨了一种能自动进行周期开关操控的自循环发酵(SCF)方案，并期望通过理论分析与设计来提高发酵过程的生产强度，同时消除产物抑制诱导系统失稳。具体地，从连续发酵模型稳定性分析出发，借助最优周期控制(OPC)理论给出SCF强化生产速率的必要性判据；进一步研究发现乙醇产物抑制作用会导致连续发酵系统失稳，并可有效缓解产物抑制作用，消除产物诱导失稳问题。模拟结果表明，生物乙醇的SCF生产模式可以缩短批次发酵时间、避免系统失稳。

关键词(KeyWords)： 产物抑制失稳;最优周期控制;自循环发酵;提质增效

Abstract:

Keywords:

基金项目(Foundation): 云南省基础研究计划(202001AU070048)

作者(Author): 吴思辰,翟持

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