Lai, Y. Q. and Manan, Z. A. and Wan Alwi, S. R. (2017) Heat exchanger network retrofit using individual stream temperature vs enthalpy plot. Chemical Engineering Transactions, 61 . pp. 1651-1656. ISSN 2283-9216
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Abstract
This paper presents a new graphical approach for Heat Exchanger Network (HEN) retrofit that is based on the individual stream temperature versus enthalpy plot (STEP). STEP maintains the individual stream characteristics and enables users to graphically map hot and cold streams and retrofit HEN without the need to perform enthalpy calculations, or to check for minimum temperature approach violations. Application of the STEP method to a well-established HEN retrofit case study from the literature shows that it only requires one visualisation tool to simultaneously diagnose and retrofit an existing HEN. On top of that, the STEP method yields up to 5 % higher heat recovery as compared to the results obtained using conventional retrofit methods.
Item Type: | Article |
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Uncontrolled Keywords: | enthalpy calculations, temperature |
Subjects: | T Technology > TP Chemical technology |
Divisions: | Chemical Engineering |
ID Code: | 75791 |
Deposited By: | Widya Wahid |
Deposited On: | 30 Apr 2018 13:19 |
Last Modified: | 30 Apr 2018 13:19 |
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