发酵罐发酵时溶氧的变化与菌体生长的关系 及如何调控

我的罐突然溶氧升的很高降不下来 补料也没有
2025-03-15 05:42:49
推荐回答(3个)
回答1:

您好!
① 从发酵接种开始,菌体进入延滞期时的溶氧应该下降的比较平稳,进入对数生长期后溶氧开始急剧下降,通过调节转速通气等控制在一定数值范围内(很多时候如高密度生长使用单纯空气控制不了溶氧,溶氧基本为0)。发酵后期菌体进入衰亡期后,溶氧开始上升,提示下罐节点。
② 如果你的菌没有被污染,那么考虑下是否是尤其表达产物或者代谢产物有抑制,补料的话补充的种类是否不合适等。

百度教育团队【海纳百川团】为您解答。
感谢您的采纳 O(∩_∩)O 。如有疑问,欢迎追问。

回答2:

1、是不是电极坏了?
2、如果正常发酵溶氧维持在低水平,突然溶氧升高,那就是菌体自溶了,说白了就是菌死了。

回答3:

不会

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