Vapor Split Manipulation in Extractive Divided-Wall Distillation Columns

Publication date: Available online 22 February 2018 Source:Chemical Engineering and Processing - Process Intensification Author(s): William L. Luyben Several alternative process equipment configurations have recently been proposed to replace the conventional two-column extractive distillation process. One interesting configuration features a single column with a divided wall running from the stripping section all the way two the top of the column. There is only one reboiler at the base of the column, but each of the segregated upper sections has its own independent condenser, reflux and distillate product. The vapor split at the bottom of the wall is fixed at design by the location of the wall. Steady-state economic advantages are claimed over the conventional two-column process.

Source: Chemical Engineering and Processing: Process Intensification - February 23, 2018 Category: Chemistry Source Type: research