The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Oct. 25, 1983
Filed:
May. 20, 1981
Jean Arod, Pierrevert, FR;
Bernard Bartoli, Jouques, FR;
Pierre Bergez, Paris, FR;
Jean Biedermann, Montivilliers, FR;
Philippe Caminade, Pierrelatte, FR;
Jean-Marie Martinet, Montelimar, FR;
Jean Maurin, Montivilliers, FR;
Jean Rossarie, Le Havre, FR;
Commissariat a l'Energie Atomique, Paris, FR;
Compagnie Francaise de Raffinage, Paris, FR;
Abstract
The present invention relates to a process for the treatment of a hydrocarbon charge by high temperature ultrafiltration, said process comprising the steps of circulating said charge in a module comprising at least one mineral ultrafiltration barrier coated with a sensitive mineral layer of at least one metal oxide and of operating at a temperature higher than 100.degree. C. The barrier, which preferably has a ceramic or metallic support, is coated with a sensitive layer selected from the group comprising titanium dioxide, magnesium oxide, aluminium oxide, spinel MgAl.sub.2 O.sub.4, silica. The invention is applicable to the regeneration of a waste oil and to the reduction of the rate of asphaltenes in a hydrocarbon charge.