(440d) A Phenomena-Based Column Profile Map Approach to Designing Coupled Reactors and Column Sections

In this presentation, we address the reactive distillation design problem by designing a CSTR with simultaneous equilibrium separation and mixing, and feeding the product from this process to a non-reactive rectifying or stripping distillation column section depending on what component has to be removed. Three hypothetical cases are presented as well as an industrially relevant MTBE case study. Using a phenomena-based Column Profile Map approach, a novel, geometric understanding may be achieved which allows for quick feasibility screening. A unique understanding of the relation between phase equilibrium, mixing and chemical reaction is presented that provides insight into what set of process chemistry may be attractive for this reactive distillation arrangement. An attainable region is shown which depicts all possible process parameters that would result in a realizable design. This method also aids in the understanding of the unique, reverse interaction between pieces of process equipment and operating conditions.