Process and system for separating components for blending

B - Operations – Transporting – 01 – D

Patent

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Details

B01D 61/36 (2006.01) B01D 63/08 (2006.01) B01D 69/10 (2006.01) C10G 31/11 (2006.01)

Patent

CA 2543799

A method and system for blending components obtained from a feed stock. The method includes flowing a first stream through a membrane member, with the membrane member having a first wafer assembly comprising a first thin film polymer membrane, a first permeate zone, and heat transfer means for transferring heat from the first permeate zone to the polymer membrane. The method includes exposing the first stream to the polymer membrane and providing a heated fluid to the heat transfer means in order to heat the permeate zone and the polymer membrane as the first stream is being flown through the first wafer assembly. The method further includes removing a permeate stream from the permeate zone. The permeate stream may be conducted to at least one refinery process unit for further processing. In the preferred embodiment, the feed stock is a naphtha. The system includes a wafer assembly adapted to receive the first stream, with the first wafer assembly comprising a plurality of wafers, and a first and second membrane member having a thin film polymer member. The system also includes heat transfer means for heating a permeate zone and the polymer membrane, as the first stream is being flown through the wafer assembly, and means for processing the produced permeate.

L'invention concerne un procédé et un système de mélange de constituants tirés d'une charge d'alimentation. Le procédé consiste à faire couler un premier flux à travers un élément de membrane, l'élément de membrane présentant un premier ensemble plaquettes comprenant une première membrane polymère à film mince, une première zone de perméat et un moyen de transfert de chaleur destiné à transférer la chaleur de la première zone de perméat à la membrane polymère. Le procédé consiste à exposer le premier flux à la membrane polymère et à fournir un fluide chauffé au moyen de transfert de chaleur afin de chauffer la zone du perméat et la membrane polymère à mesure que le premier flux est passé à travers le premier ensemble plaquettes. Le procédé consiste ensuite à extraire un flux de perméat de la zone du perméat. Le flux de perméat peut être conduit jusqu'à au moins une unité de traitement de raffinage pour subir un autre traitement. Dans le mode de réalisation préféré, la charge d'alimentation est un naphta. Le système comprend un ensemble plaquettes adapté pour recevoir le premier flux, le premier ensemble plaquettes comprenant une pluralité de plaquettes, et un premier ainsi qu'un second élément de membrane présentant un élément polymère à film mince. Le système comprend également un moyen de transfert de chaleur destiné à chauffer une zone de perméat et la membrane polymère, à mesure que le premier flux est passé à travers l'ensemble plaquettes, et un moyen de traitement du perméat produit.

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