Imperial College London
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Prof. Sandro Macchietto

Faculty of Engineering, Department of Chemical Engineering

Professor of Process Systems Engineering
 
 
 
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Contact

 

+44 (0)20 7594 6608s.macchietto Website

 
 
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Assistant

 

Mrs Sarah Payne +44 (0)20 7594 5567

 
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Location

 

ACEX 507aACE ExtensionSouth Kensington Campus

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Summary

 

Publications

Citation

BibTex format

@article{Diaz-Bejarano:2019:10.1021/acs.iecr.8b04343,
author = {Diaz-Bejarano, E and Behranvand, E and Coletti, F and Mozdianfard, MR and Macchietto, S},
doi = {10.1021/acs.iecr.8b04343},
journal = {Industrial & Engineering Chemistry Research},
pages = {228--246},
title = {Organic and inorganic fouling in heat exchangers: Industrial case study analysis of fouling rate},
url = {http://dx.doi.org/10.1021/acs.iecr.8b04343},
volume = {58},
year = {2019}
}
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RIS format (EndNote, RefMan)

TY  - JOUR
AB  - Fouling rates in refinery heat exchangers with mixed organic/inorganic deposits (frequent in practice) are estimated using a comprehensive model-based thermohydraulic methodology combining data-driven measurements analysis with advanced models. An industrial case study for a heat exchanger over 4 years demonstrates the method. Following an analysis of the fouling state, the dynamic analysis here estimates organic and inorganic fouling rates using constant or time-varying proportionality ratios. Base-line organics deposition rate is described by a typical correlation, inorganics deposition as a perturbation with constant or time-varying proportionality ratios. Deposition rate parameters are estimated from measured pressure drops and validated against temperatures. Results show that the deposition rate ratio varied substantially over time, revealing acute inorganic deposition periods; accounting for inorganics explains well both thermal and hydraulic performances; the time-varying ratio provided a good fit of the data. This is a highly promising new method for predictive monitoring, detection, and diagnosis of fouling.
AU  - Diaz-Bejarano,E
AU  - Behranvand,E
AU  - Coletti,F
AU  - Mozdianfard,MR
AU  - Macchietto,S
DO  - 10.1021/acs.iecr.8b04343
EP  - 246
PY  - 2019///
SN  - 0888-5885
SP  - 228
TI  - Organic and inorganic fouling in heat exchangers: Industrial case study analysis of fouling rate
T2  - Industrial & Engineering Chemistry Research
UR  - http://dx.doi.org/10.1021/acs.iecr.8b04343
UR  - http://gateway.webofknowledge.com/gateway/Gateway.cgi?GWVersion=2&SrcApp=PARTNER_APP&SrcAuth=LinksAMR&KeyUT=WOS:000455690400025&DestLinkType=FullRecord&DestApp=ALL_WOS&UsrCustomerID=1ba7043ffcc86c417c072aa74d649202
UR  - http://hdl.handle.net/10044/1/66167
VL  - 58
ER  -
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