How to change language on relux4/5/2023 Conversely, for a given desired separation, the more reflux is provided, the fewer theoretical plates are required. The more reflux provided for a given number of theoretical plates, the better is the column's separation of lower boiling materials from higher boiling materials. Inside the column, the downflowing reflux liquid provides cooling and condensation of the upflowing vapors thereby increasing the efficiency of the distillation column. In that context, reflux refers to the portion of the overhead liquid product from a distillation column or fractionator that is returned to the upper part of the column as shown in the schematic diagram of a typical industrial distillation column. The term reflux is very widely used in industries that utilize large-scale distillation columns and fractionators such as petroleum refineries, petrochemical and chemical plants, and natural gas processing plants. It is also used in chemistry to supply energy to reactions over a long period of time. It is used in industrial and laboratory distillations. Reflux is a technique involving the condensation of vapors and the return of this condensate to the system from which it originated. The reflux system in a typical industrial distillation column
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