PROCESS FOR THE RECOVERY OF TITANIUM DIOXIDE AND VALUE METALS BY REDUCING THE CONCENTRATION OF HYDROCHLORIC ACID IN LEACH SOLUTION AND SYSTEM FOR SAME - Patent 2531628

(19)

(11)

EP 2 531 628 A1

(12)

(43)	Date of publication:
	12.12.2012 Bulletin 2012/50

(21)	Application number: 11739307.4

(22)	Date of filing: 04.02.2011

(51)

International Patent Classification (IPC):

C22B 34/12^(2006.01)
C22B 3/26^(2006.01)

C22B 3/10^(2006.01)

(86)	International application number:
	PCT/CA2011/000142

(87)	International publication number:
	WO 2011/094858 (11.08.2011 Gazette 2011/32)

(84)	Designated Contracting States:
	AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR

(30)

Priority:

07.12.2010 US 420500 P
18.02.2010 US 305718 P
04.02.2010 US 301458 P

(71)	Applicant: Neomet Technologies Inc.
	Montréal, Québec H3A 1T5 (CA)

(72)	Inventors:
	HARRIS, Bryn Montréal, Québec H9X 2L4 (CA) WHITE, Carl Gaspé, Québec G4X 2X1 (CA)

(74)	Representative: Held, Stephan
	Meissner, Bolte & Partner GbR Chemistry Widenmayerstraße 47 80538 München 80538 München (DE)

(54)	PROCESS FOR THE RECOVERY OF TITANIUM DIOXIDE AND VALUE METALS BY REDUCING THE CONCENTRATION OF HYDROCHLORIC ACID IN LEACH SOLUTION AND SYSTEM FOR SAME