Title:
EXTRACTION SOLVENT FOR EXTRACTING METALLIC ELEMENTS, METHOD FOR PRODUCING SAME, AND METHOD FOR RECOVERING METALLIC ELEMENTS
Document Type and Number:
WIPO Patent Application WO/2013/171861
Kind Code:
A1
Abstract:
The present invention provides an extraction solvent for extracting metallic elements that is characterized in that: the total concentration of chlorine (Cl2) and hypochlorous acid (HOCl) is from 20 to 1000 ppm; chlorine (Cl2) and hypochlorous acid (HOCl) are included at a molar ratio of 1:1 to 1:11; the oxidation-reduction potential is from 1100 to 1400 mV; and the pH is from 1.7 to 3.7. The present invention also provides a method for producing said extraction solvent, and a method for recovering metallic elements by using said extraction solvent.
Inventors:
YARLOTT TIMOTHY W (US)
HANAOKA KOKICHI (JP)
TANAKA HIROSHI (JP)
WULLAERT DICK (US)
MIERTSCHIN WILLIAM R (US)
ALEXANDER EDWARD E (US)
HANAOKA KOKICHI (JP)
TANAKA HIROSHI (JP)
WULLAERT DICK (US)
MIERTSCHIN WILLIAM R (US)
ALEXANDER EDWARD E (US)
Application Number:
PCT/JP2012/062529
Publication Date:
November 21, 2013
Filing Date:
May 16, 2012
Export Citation:
Assignee:
YARLOTT TIMOTHY W (US)
HANAOKA KOKICHI (JP)
TANAKA HIROSHI (JP)
WULLAERT DICK (US)
MIERTSCHIN WILLIAM R (US)
ALEXANDER EDWARD E (US)
HANAOKA KOKICHI (JP)
TANAKA HIROSHI (JP)
WULLAERT DICK (US)
MIERTSCHIN WILLIAM R (US)
ALEXANDER EDWARD E (US)
International Classes:
C22B11/00; C22B3/04
Foreign References:
| JP2010007183A | 2010-01-14 | |||
| JPS61127832A | 1986-06-16 | |||
| JPS5845125A | 1983-03-16 |
Attorney, Agent or Firm:
TAKAHATA Yasuyo et al. (JP)
Yasuyo Takahata (JP)
Yasuyo Takahata (JP)
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