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- W2563029525 abstract "Dividing wall columns are single shell distillation columns which are thermally fully coupled. DWC has the ability to create three product streams from one feed stream. A simulation of DWCs is hard due to the complexity of the system. Unfortunately, there is no good software package that can be used for simulations. Instead a detailed flowsheet with the right components and good arrangement over the system must be used. In this respect, simulations of DWCs are much harder than simulations of conventional columns. The main purpose with this project was to design a model, i.e., implement a setup in Aspen PlusTM and analyse how it behaves when it is subjected for various impacts. Dynamic simulations of the system were done to investigate design and operation parameter sensitivity e.g. effect of feed specification variation (and other parameters) on the compositions of the product streams. The aim was to create a model that was robust and could withstand fluctuations. The simulation of the system can be carried out in many ways. For instance, the model can be created directly in the dynamic environment or it can first be created in steady state and then converted for dynamic purposes (the latter is applied in this master thesis). It turned out that it was easier to achieve the desired values in the dynamic environment. However, the steady-state model in Aspen Plus was much more robust and easier to do modifications in. Minor adjustments such as changes in the internal specifications were easy to implement in both Aspen Plus and Aspen dynamics. (Less)" @default.
- W2563029525 created "2017-01-06" @default.
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- W2563029525 date "2016-01-01" @default.
- W2563029525 modified "2023-09-27" @default.
- W2563029525 title "Optimization and Control Properties for a Dividing Wall Distillation Column" @default.
- W2563029525 hasPublicationYear "2016" @default.
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