(19)
(11) EP 0 140 000 A3

(12) EUROPEAN PATENT APPLICATION

(88) Date of publication A3:
04.02.1987 Bulletin 1987/06

(43) Date of publication A2:
08.05.1985 Bulletin 1985/19

(21) Application number: 84110165

(22) Date of filing: 25.08.1984
(84) Designated Contracting States:
AT BE DE FR GB IT NL SE

(30) Priority: 15.09.1983 US 532622

(71) Applicant: ASHLAND OIL, INC.
 ()

(72) Inventors:
  • Goolsby, Terry L.
     ()
  • Hobbs, Estel M.
     ()

   


(54) Combination process for upgrading crude oil including demetallizing and decarbonizing thereof


(57) The invention is concerned with upgrading crude oil by zeolite catalytic cracking and particularly the residual portion of atmospheric distillation or that portion of crude oil boiling above about a middle distillate fraction after treatment by the combination of vacuum distillation, demetallizing and decarbonizing a vacuum resid portion with concentrated acid thereby concentrating metal contaminants in an asphalt product thereof separated from a liquid product more suitable for catalytic upgrading with vacuum gas oil.






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