Full reflux operation
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Question: What are the precautions for full reflux operation during the startup of a distillation tower?
The so-called full reflux you mentioned is likely an extreme measure taken to ensure that the liquid nitrogen in the lower column meets the required standards as quickly as possible. The general principle for driving is to go down the tower first and then up, but this doesn’t mean that full reflux is always the best option; overall balance is what matters most.