The Tawin problem
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Why does the temperature decrease from top to bottom in a distillation column? Thank you!
1. It may be that the liquid discharge pipeline of the desorption tower is not functioning properly, preventing the liquid from being discharged; over time, this leads to lower temperatures in the lower section. 2. The thermometer gives incorrect readings, or oil contamination causes deviations in the readings.
You need to describe the location of the imports and exports, as well as information such as what type of materials are involved