C - Chemistry – Metallurgy – 10 – G
Patent
C - Chemistry, Metallurgy
10
G
C10G 9/16 (2006.01) C10G 17/02 (2006.01) C10G 31/00 (2006.01) C10G 75/00 (2006.01) C10G 75/04 (2006.01)
Patent
CA 2733885
A high solvency dispersive power (HSDP) crude oil is added to a blend of incompatible and/or near-incompatible oils to proactively address the potential for fouling heat exchange equipment. The HSDP component dissolves asphaltene precipitates and maintains suspension of inorganic particulates before coking affects heat exchange surfaces. HSDP co-blending for fouling mitigation and on-line cleaning can be affected using different concentrations of top-performing and moderate-performing HSDP crude oils.
Cette invention concerne un pétrole brut HSDP (à solvabilité, pouvoir dispersif élevés) qui est ajouté à un mélange d'huiles incompatibles et/ou quasiment incompatibles pour prévenir proactivement le risque d'encrassement de l'équipement d'échange thermique. Le composant HSDP dissout les précipités d'asphaltène et maintient les matériaux particulaires inorganiques en suspension avant que la cokéfaction n'affecte les surfaces d'échange thermique. La combinaison HSDP utilisée pour la réduction de l'encrassement et le nettoyage en-ligne peut être affectée en utilisant différentes concentrations de pétroles bruts HSDP de performance supérieure et moyenne.
Brons Glen B.
Wright Chris A.
Borden Ladner Gervais Llp
Exxonmobil Research And Engineering Company
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