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AuthorQureshi, M. F.
AuthorKhraisheh, Majeda
AuthorAlmomani, F.
Available date2022-05-21T08:36:52Z
Publication Date2020
Publication NameGreenhouse Gases: Science and Technology
ResourceScopus
Identifierhttp://dx.doi.org/10.1002/ghg.1990
URIhttp://hdl.handle.net/10576/31204
AbstractThe formation of gas hydrates in offshore subsea lines is a major flow assurance concern for the oil and gas industry. In this work, the thermodynamic hydrate inhibition (THI) effect of doping amino acids (AA) such as glycine (Gly), l-alanine (Ala), and histidine (His) with classical gas hydrate inhibitors (CHI) such as methanol (Me), ethylene glycol (EG), and sodium chloride (NaCl) have been examined at diverse operating conditions. The experimental tests were carried out using rocking cell assembly [RC-5] on pure methane gas at different pressure conditions (40?120 bars) using an equal ratio mixture (1:1) of AA and CHI at a low dosage (2 wt%). The computational three-dimensional molecular models of AA and CHI were generated to examine electric charge distribution within these molecules and cognize the interaction mechanism between methane hydrates and AA. The experimental results indicate that Me and EG can synergize the THI effect of AA at a low dosage of 1 wt%. The AA doped with Me tend to provide better THI effect compared to AA doped with EG and NaCl. The experimental results also show that the doped AA Ala mixtures provide THI effect similar to pure CHI such as Me, EG, and NaCl at low dosage (2 wt%).
Languageen
PublisherBlackwell Publishing Ltd
Subjectcomputational molecular models
flow assurance
inhibitors
low dosage hydrate inhibitors (LDHIs)
rocking cell
thermodynamic hydrate inhibition (THI)
TitleDoping amino acids with classical gas hydrate inhibitors to facilitate the hydrate inhibition effect at low dosages
TypeArticle
Pagination783-794
Issue Number4
Volume Number10
dc.accessType Abstract Only


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