2022
DOI: 10.1016/j.fuel.2021.122940
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Evidence that wax deposition is a phase transition rather than a molecular diffusion phenomenon

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Cited by 13 publications
(3 citation statements)
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“…Migration and adhesion of aggregates to the cold wall form the wax deposits of the emulsion. Geest et al 68 pointed out that although molecular diffusion is an important performance of wax molecular mass transfer, the transition process from liquid to solid phase is a necessary condition for wax deposition and growth. Compared with molecular diffusion, the transition process from liquid to solid phase serves as the primary mechanism controlling the development of wax deposits (4) The addition of wax inhibitor greatly increased the concentration of solid phase wax required to form wax deposit.…”
Section: Shortcomings Of Molecular Diffusion and Aging Mechanismmentioning
confidence: 99%
“…Migration and adhesion of aggregates to the cold wall form the wax deposits of the emulsion. Geest et al 68 pointed out that although molecular diffusion is an important performance of wax molecular mass transfer, the transition process from liquid to solid phase is a necessary condition for wax deposition and growth. Compared with molecular diffusion, the transition process from liquid to solid phase serves as the primary mechanism controlling the development of wax deposits (4) The addition of wax inhibitor greatly increased the concentration of solid phase wax required to form wax deposit.…”
Section: Shortcomings Of Molecular Diffusion and Aging Mechanismmentioning
confidence: 99%
“…Studies on wax have primarily focused on wax deposition in formations, wellbores, and pipelines. Only a few articles have reported on the effect of wax on interface stabilization, particularly its impact on the phase transformation of crude oil. The contribution of wax to interfacial stability mainly revolves around two aspects: cocrystallization and steric hindrance.…”
Section: Introductionmentioning
confidence: 99%
“…Quando não existem cristais de parafina precipitados no óleo, de forma geral, o depósito tende a ser menor. Essa observação mostra que analisar o gradiente de temperatura de forma isolada pode levar a conclusões errôneas, como explicado por (GEEST et al, 2022). É possível ver que, em ambos os casos, as temperaturas de entrada e saída do óleo tendem a aproximar-se ao longo do tempo.…”
Section: óLeo Realunclassified