COMPOSITIONS AND METHODS OF USING A KETOXIME IN A METAL SOLVENT EXTRACTION REAGENT

Title:

COMPOSITIONS AND METHODS OF USING A KETOXIME IN A METAL SOLVENT EXTRACTION REAGENT

Document Type and Number:

WIPO Patent Application WO/2012/150984

Kind Code:

A3

Abstract:

Provided are methods using a ketoxime in metal extraction. One aspect of the invention relates to a method for the recovery of metal from a metal-containing aqueous solution at an elevated temperature using a ketoxime. Another aspect relates to a method of separating iron/copper using a specific ketoxime. Aldoximes may also be added to the reagent compositions used in these methods.

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Inventors:

VIRNIG MICHAEL (US)
BENDER JACK (US)
EMMERICH NATHAN C (US)

Application Number:

PCT/US2012/026558

Publication Date:

February 28, 2013

Filing Date:

February 24, 2012

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Assignee:

COGNIS IP MAN GMBH
VIRNIG MICHAEL (US)
BENDER JACK (US)
EMMERICH NATHAN C (US)

International Classes:

C22B15/00; C09K3/00; C22B19/00; C22B23/00; C22B60/02

Domestic Patent References:

WO1999010546A1

1999-03-04

Foreign References:

US20010055553A1	2001-12-27
US6733688B1	2004-05-11
US20010029811A1	2001-10-18

Attorney, Agent or Firm:

BROWN, Melanie et al. (Dusseldorf, DE)

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