Distillation column: How many types of reflux are there?
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As the title suggests, let’s talk about it – cold reflux and hot reflux. Everyone is welcome to add more details
Reflux in a distillation column is mainly divided into two types: cold reflux and hot reflux. Cold reflux refers to the state in which the liquid flowing back from the top of the tower into the tower is cooled in the top condenser, while hot reflux refers to the liquid that returns directly from the top of the tower into the tower without being cooled first. These two types of reflux play an important role in controlling the distillation process and improving separation efficiency. .
It is generally divided into cold reflux, hot reflux, and internal reflux