Journal
AICHE JOURNAL
Volume 55, Issue 7, Pages 1882-1888Publisher
WILEY-BLACKWELL
DOI: 10.1002/aic.11874
Keywords
hydrate; ice; deposition; plugging; flow loop
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Funding
- Imperial Oil Limited
- ExxonMobil
- ConocoPhillips
- Shell
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Experiments were conducted to investigate hydrate/ice plugging and deposition mechanisms from water dissolved in a liquid condensate system, using a single-pass flow loop. Two different hydrate/ice plugging mechanisms were observed. Hydrate/ice deposition from a dissolved-water phase resulted in a lengthwise uniform/dispersed deposit and a gradual pressure drop increase. The dispersed deposit acted as insulation at the flow loop wall, and the deposit began to propagate downstream. However, cooling below the liquid-water saturation curve resulted in free water coalescence, and a localized hydrate/ice restriction in the flow loop. This localized restriction resulted in a rapid pressure drop increase. (C) 2009 American Institute of Chemical Engineers AIChE J, 55:1882-1988, 2009
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