(19)
(11) EP 0 041 746 A3

(12) EUROPEAN PATENT APPLICATION

(88) Date of publication A3:
07.04.1982 Bulletin 1982/14

(43) Date of publication A2:
16.12.1981 Bulletin 1981/50

(21) Application number: 81200520

(22) Date of filing: 14.05.1981
(84) Designated Contracting States:
DE FR GB IT NL

(30) Priority: 09.06.1980 GB 8018824

(71) Applicant: SHELL INTERNATIONALE RESEARCH MAATSCHAPPIJ B.V.
 ()

(72) Inventor:
  • Langridge, Clifford
     ()

   


(54) Recovery of contaminated seal oils


(57) A process for the removal of volatile components (light hydrocarbons and/or H2S) from a contaminated seal oil by stripping in countercurrent flow with an inert gaseous material (air, nitrogen, steam) in a tray column or a packed-bed column.






Search report