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Analysis of an osci...
Analysis of an oscillating two-stage evaporator system through modelling and simulation: An industrial case study
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- Yamanee-Nolin, Mikael (author)
- Lund University,Lunds universitet,Avdelningen för kemiteknik,Institutionen för processteknik och tillämpad biovetenskap,Institutioner vid LTH,Lunds Tekniska Högskola,Division of Chemical Engineering,Department of Process and Life Science Engineering,Departments at LTH,Faculty of Engineering, LTH
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- Andersson, Niklas (author)
- Lund University,Lunds universitet,Avdelningen för kemiteknik,Institutionen för processteknik och tillämpad biovetenskap,Institutioner vid LTH,Lunds Tekniska Högskola,Division of Chemical Engineering,Department of Process and Life Science Engineering,Departments at LTH,Faculty of Engineering, LTH
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- Nilsson, Bernt (author)
- Lund University,Lunds universitet,Processindustriellt centrum vid Lunds universitet, PIC-LU,Annan verksamhet, LTH,Lunds Tekniska Högskola,Avdelningen för kemiteknik,Institutionen för processteknik och tillämpad biovetenskap,Institutioner vid LTH,Process Industry Centre at Lund University, PIC-LU,Other operations, LTH,Faculty of Engineering, LTH,Division of Chemical Engineering,Department of Process and Life Science Engineering,Departments at LTH,Faculty of Engineering, LTH
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- Max-Hansen, Mark (author)
- Perstorp AB
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- Pajalic, Oleg, 1964 (author)
- Chalmers tekniska högskola,Chalmers University of Technology,Perstorp AB
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(creator_code:org_t)
- 2017
- 2017
- English.
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In: Chemical Engineering Transactions. - 2283-9216. ; 69, s. 481-486
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Abstract
Subject headings
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- With increasing demands on the industry for resource efficiency, processes are often built or retrofitted with recycle streams in order to decrease energy and raw material demands. However, this also increases the complexity of the process as a whole and may bring unexpected effects. In this contribution, such a case, consisting of a two-stage evaporator system, fed with the product stream of an upstream batch system and a continuous recycling stream from downstream separation processes, was analyzed. This evaporator system was subject to potentially performance-limiting oscillating disturbances. The purpose of this study was to, through modelling and simulation, expand the knowledge of the system by analyzing the system dynamics, and to discover any co-oscillations and their extent in the process, as well as their effect on process parameters such as product purity and the energy usage in terms of steam consumption. The investigation was performed by modelling using Aspen Plus Dynamics. Simulation, data-extraction, and analysis was performed via a COM enabled Python interface. The results of the study highlight the full-system propagation of oscillations along with co-oscillation of selected key parameters, and support the conclusion that there is potential for cost-reductions by decreasing steam consumption by 1.1 %, without any investments.
Subject headings
- TEKNIK OCH TEKNOLOGIER -- Kemiteknik (hsv//swe)
- ENGINEERING AND TECHNOLOGY -- Chemical Engineering (hsv//eng)
- TEKNIK OCH TEKNOLOGIER -- Kemiteknik -- Kemiska processer (hsv//swe)
- ENGINEERING AND TECHNOLOGY -- Chemical Engineering -- Chemical Process Engineering (hsv//eng)
Keyword
- Aspen Plus Dynamics
- Simulation
- Python
- evaporator system
Publication and Content Type
- art (subject category)
- ref (subject category)
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