Process and apparatus for improving flow properties of crude...

C - Chemistry – Metallurgy – 10 – G

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C10G 11/00 (2006.01) B01J 8/00 (2006.01)

Patent

CA 2617806

A process for improving flow properties of crude may include processing a first crude stream (5), which may in turn include cracking the first crude stream with fresh catalyst to form a cracked stream (53) and spent catalyst. The spent catalyst may be regenerated to form fresh catalyst, which may then be recycled. At least part of the cracked stream (53) may be mixed with a second crude stream (499). A ratio of part of the cracked stream to add to the second crude stream may be selected to achieve an API gravity of at least about 18. The first crude stream (5) may be heated and stripped before being cracked.

L'invention concerne un procédé pour améliorer des propriétés d'écoulement de pétrole brut. Ce procédé consiste à traiter un premier flux de pétrole brut (5), ce procédé peut consister à effectuer un craquage du premier flux de pétrole brut à l'aide d'un catalyseur frais pour former un flux craqué (53) et un catalyseur épuisé. Le catalyseur épuisé peut être régénéré pour former un catalyseur frais qui peut ensuite être recyclé. Au moins une partie du flux craqué (53) peut être mélangé à un second flux de pétrole brut (499). Un rapport d'une partie du flux craqué à ajouter au second flux de pétrole brut peut être sélectionné pour obtenir une densité API d'au moins 18 environ. Le premier flux de pétrole brut (5) peut être chauffé et balayé à la vapeur, avant d'être craqué.

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