Method and apparatus for reducing fouling using resid...

Details Method and apparatus for reducing fouling using resid... Method and apparatus for reducing fouling using resid...

C - Chemistry, Metallurgy

10

G

C10G 9/16 (2006.01) C10G 75/00 (2006.01) C10G 75/04 (2006.01)

Patent

CA 2733592

Atmospheric and/or vacuum resid fractions of a high solvency dispersive power (HSDP) crude oil are added to a blend of crude oil to prevent fouling of crude oil refinery equipment and to perform on-line cleaning of fouled refinery equipment. The HSDP resid fractions dissolve asphaltene precipitates and maintain suspension of inorganic particulates before coking affects heat exchange surfaces.

Selon l'invention, des fractions de résidu de distillation atmosphérique et/ou sous vide d'un pétrole brut de pouvoir solvant et pouvoir dispersif élevés (HSDP) sont ajoutées à un mélange de pétrole brut pour empêcher l'encrassement du matériel de raffinerie de pétrole brut et pour effectuer un nettoyage en ligne de matériel de raffinerie encrassé. Les fractions de résidu HSDP dissolvent les précipités d'asphaltène et maintiennent en suspension des matières particulaires inorganiques avant que le cokage affecte des surfaces d'échange de chaleur.

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