Estrict flexible operation. We investigate a segmented tray column made to allow versatile operation. The design consists of radial trays connected at the downcomer of each tray. Each and every segment may be operated separately, but based on the capacity on the feed stream, added segments might be activated or deactivated. The connection involving the trays aims to transfer liquid from one stationary segment towards the adjacent inactive segment, thereby lowering the time essential for the start-up course of action. In a case study on the separation of methanol and water, we execute dynamic simulations to assess the reduction inside the start-up time of inactive segments. The results confirm the benefits more than standard tray styles. The segmented distillation column is actually a step towards improving the flexibility of separation operations. Key phrases: distillation; start-up; flexibility; dynamic simulation; column designCitation: Bruns, B.; Fasel, H.; Gr ewald, M.; Riese, J. Development of a Dynamic Modeling Method to Simulate a Segmented Distillation Column for Flexible Operation. ChemEngineering 2021, 5, 66. https://doi.org/10.3390/ chemengineering5040066 Academic Editor: Andrew S. Paluch Received: 9 August 2021 Accepted: 29 September 2021 Published: 1 October1. Introduction The chemical business is confronted with several challenges like an uncertain supply of raw supplies, globalization of markets and volatile energy markets. Solutions for these challenges are presently investigated in quite a few locations of chemical engineering. This incorporates, e.g., new developments in course of action systems engineering [1] and method synthesis [2], but also in approaches for instance method intensification [3,4] and demand-sidemanagement [5]. In most of these places, enhancing the flexibility of chemical systems is noticed as a important element to deal with the increasing uncertainties. There has been considerable investigation on how to quantify and Tanespimycin Protocol improve flexibility for chemical systems based around the work of Grossmann and his coworkers for steady-state operation [6,7], which was also extended for dynamic operation [8]. The developed mathematical procedures are effective tools to adapt and retrofit chemical processes when it comes to their flexibility [9]. These techniques might be employed to optimize method parameters in order to enhance flexibility. Apart from these methods, new technical approaches are getting developed to permit to get a extra versatile operation of process systems. The options encompass approaches for scheduling and control, along with the advancement of existing unit operations. Analysis for scheduling and handle is widely obtainable [105], whereas advancements in unit operations are scarce. Some examples may be located in reaction engineering [16,17]. This can be also specifically applicable for separation technologies for example distillation columns. The flexibility of a distillation column with regards to its feed mass flow largely is determined by the type of internals. When the feed capacity of the column adjustments considerably, diverse hydrodynamic phenomena take place that limit the feasible area on the column. When perturbation of these limits seem, products could possibly develop into off-spec or the operation fails entirely. Versatile operation, thus, needs a column design and style that can operatePublisher’s Note: MDPI stays neutral with regard to jurisdictional Tenidap Data Sheet claims in published maps and institutional affiliations.Copyright: 2021 by the authors. Licensee MDPI, Basel, Switzerland. This short article is definitely an open access write-up distri.