Quantifying Implications of Deposit Aging from Crude Refinery Preheat Train Data
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Authors
Ishiyama, Edward Masato
Falkeman, Erik
Wilson, D Ian
Pugh, Simon John
Publication Date
2020Journal Title
HEAT TRANSFER ENGINEERING
ISSN
0145-7632
Publisher
Informa UK Limited
Volume
41
Issue
2
Pages
115-126
Type
Article
Metadata
Show full item recordCitation
Ishiyama, E. M., Falkeman, E., Wilson, D. I., & Pugh, S. J. (2020). Quantifying Implications of Deposit Aging from Crude Refinery Preheat Train Data. HEAT TRANSFER ENGINEERING, 41 (2), 115-126. https://doi.org/10.1080/01457632.2018.1522072
Abstract
Heat exchanger fouling has been studied for some time in the petroleum industry. As understanding of fouling dynamics and mitigation methods improves, refinery fouling mitigation strategies are changing. The implications of deposit aging in refinery units have not been addressed in detail: aging refers to where the deposit undergoes physical and chemical conversion over time. In the 2009 Heat Exchanger Fouling and Cleaning conference, Wilson et al. [Ageing: Looking back and looking forward] presented a simple framework illustrating how deposit aging impacts heat exchanger thermal and hydraulic performance. This paper presents insights into deposit aging gained from analysis of refinery monitoring data. Two case studies are presented: (i) one from the Preem refinery in Sweden where stream temperature, flow and gauge pressure measurements indicated a higher deposit thermal conductivity in exchangers located in the hotter section of the preheat train. (ii) US refinery stream temperature, flow and plant cleaning log data, showing an increased resistance to cleaning when deposits are exposed to high temperature for a prolonged period. The use of deposit aging analysis to improve exchanger operation is discussed.
Keywords
Aging
Sponsorship
I am a co-author on this paper. The work reported was undertaken for a Swedish company by another company, HTRI.I advised on the results.
Identifiers
External DOI: https://doi.org/10.1080/01457632.2018.1522072
This record's URL: https://www.repository.cam.ac.uk/handle/1810/286136
Rights
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http://www.rioxx.net/licenses/all-rights-reserved
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