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:
Aug. 14, 2007
Filed:
May. 14, 2002
Emilio Sentimenti, Villorba-Treviso, IT;
Nicoletta Panariti, Lecco, IT;
Emilio Sentimenti, Villorba-Treviso, IT;
Nicoletta Panariti, Lecco, IT;
ENI S.p.A., Rome, IT;
Snamprogetti S.p.A., San Donato Milanese, IT;
Enitecnologie S.p.A., San Donato Milanese, IT;
Abstract
Process for selectively removing molybdenum from liquid mixtures containing it, in a quantity greater than (200) mg/l, together with vanadium characterized in that it comprises the following steps: bringing the liquid mixture to a pH of less than (3); adding a solution of an alkaline xanthate to the solution so that the molar ratio molybdenum/alkaline xanthate ranges from (¼) to (⅛), maintaining the pH constant by means of the addition of an inorganic acid; stirring the mixture causing the precipitation of the molybdenum present in the mixture.