EP 0940466 A3 20000906 - Method of refining waste oil
Title (en)
Method of refining waste oil
Title (de)
Verfahren zur Raffination von Altöl
Title (fr)
Procédé de raffinage d'huile usée
Publication
Application
Priority
GB 9804481 A 19980304
Abstract (en)
[origin: EP0940466A2] A method of refining waste oil containing contaminants and water comprising the steps of contacting the waste oil with an aliphatic solvent to form a waste oil/aliphatic solvent mixture, and in a treatment vessel (11) separating the mixture into three phases, namely a bottom phase (I) comprising predominantly water, an intermediate phase (II) comprising predominantly residuum containing contaminants and a top phase (III) comprising predominantly an oil/aliphatic solvent solution. <IMAGE>
IPC 1-7
IPC 8 full level
C10G 21/00 (2006.01); C10G 21/14 (2006.01); C10G 21/28 (2006.01)
CPC (source: EP)
C10G 21/006 (2013.01); C10G 21/14 (2013.01); C10G 21/28 (2013.01)
Citation (search report)
- [X] GB 2145730 A 19850403 - ELF AQUITAINE
- [XY] GB 1364942 A 19740829 - TEXACO DEVELOPMENT CORP
- [Y] FR 2301592 A1 19760917 - INST FRANCAIS DU PETROLE [FR]
- [DXA] WO 9521902 A1 19950817 - INTERLINE RESOURCES CORP [US], et al
- [XA] US 4502944 A 19850305 - NELSON STEPHEN R [US]
- [DA] US 2196989 A 19400416 - HENRY ROBERT W, et al
- [A] WO 9006350 A1 19900614 - ELF AQUITAINE [FR]
Designated contracting state (EPC)
AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE
DOCDB simple family (publication)
EP 0940466 A2 19990908; EP 0940466 A3 20000906; GB 2335436 A 19990922; GB 2335436 B 20020515; GB 9804481 D0 19980429
DOCDB simple family (application)
EP 99104198 A 19990302; GB 9804481 A 19980304