Process to prepare a waxy raffinate

Details Process to prepare a waxy raffinate Process to prepare a waxy raffinate

C - Chemistry, Metallurgy

10

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C10G 65/12 (2006.01) C10G 2/00 (2006.01) C10G 45/58 (2006.01) C10G 65/04 (2006.01) C10G 65/10 (2006.01) C10M 101/02 (2006.01) C10M 107/02 (2006.01) C10M 169/04 (2006.01) C10M 171/02 (2006.01)

Patent

CA 2440071

Process to prepare a waxy raffinate product by (a) hydrocraking/hydroisomerisating a Fisher-Tropsch derived feed, wherein weight ratio of compounds having a least 60 or more carbon atoms and compounds having at least 30 carbon atoms inthe Fischer-Tropsch product is at least 0.2 and wherein at least 30 wt% of compounds in the Fischer-Tropsch dervided feed have at least 30 carbon atoms, (b) isolating from the product of step (a) a waxy raffinate product having a T10 wt% boiling point of between 200 and 450~C and a T90 wt% boiling poing of between 400 and 650 ~C.

L'invention porte sur un procédé de préparation d'un raffinat cireux consistant à (a) hydrocraquer/hydro-isomériser une charge dérivée du procédé Fischer-Tropsch, dont le rapport pondéral entre des composés ayant au moins 60 atomes de carbone et des composés ayant au moins 30 atomes de carbone dans le produit Fischer-Tropsch est d'au moins 0,2 et dont au moins 30 % en poids des composés de la charge dérivée du procédé Fischer-Tropsch possèdent au moins 30 atomes de carbone, (b) isoler du produit obtenu sous (a) un produit de raffinat cireux ayant un point de fusion de T10 % en poids compris entre 200 et 450 ·C et un point de fusion de T90 % en poids compris entre 400 et 650 ·C.

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