C - Chemistry – Metallurgy – 10 – G
Patent
C - Chemistry, Metallurgy
10
G
C10G 75/04 (2006.01) B08B 9/02 (2006.01) C11D 11/00 (2006.01) F28G 9/00 (2006.01)
Patent
CA 2660533
A high solvent power (HSP) crude oil is added to a blend of incompatible oils to proactively address the potential for fouling heat exchange equipment. The HSP component dissolves asphaltene precipitates before coking affects heat exchange surfaces. An HSP oil is also flushed through heat exchange equipment to remove any deposits and/or precipitates on a regular maintenance schedule before coking can affect heat exchange surfaces.
Selon l'invention, un pétrole brut à pouvoir dissolvant élevé (HSP) est ajouté à un mélange de pétroles incompatibles pour résoudre de façon proactive le problème d'encrassement potentiel de l'équipement d'échange de chaleur. Le composant HSP dissout les précipités d'asphaltènes avant que la cokéfaction n'affecte les surfaces d'échange de chaleur. Un pétrole HSP est également mis en circulation à travers l'équipement d'échange de chaleur pour retirer tous les dépôts et/ou précipités selon un calendrier d'entretien régulier avant que la cokéfaction ne puisse affecter les surfaces d'échange de chaleur.
Brons Glen Barry
Bryant Douglas P.
Coy Manuel Ricardo
Dougherty Jack C.
Duggal Praveen
Borden Ladner Gervais Llp
Exxonmobil Research And Engineering Company
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