Title:
TREATMENT METHOD OF REFINEMENT INTERMEDIATE PRODUCT
Document Type and Number:
Japanese Patent JP2011212588
Kind Code:
A
Abstract:
To provide a treatment method of a refinement intermediate product which obtains an arsenic compound in a shape suitable for stabilizing as an iron arsenate crystal from a non-iron refinement intermediate product.
The treatment method of the refinement intermediate product containing arsenic is carried out by adding an alkaline agent and an oxidant to a raw slurry containing arsenic and copper to make the arsenic leach into a liquid phase of the slurry.
Inventors:
YATSUHASHI HIROMITSU
FUJITA TETSUO
SUGAWARA TSUTOMU
TAGUCHI RYOICHI
KATO SHINGO
FUJITA TETSUO
SUGAWARA TSUTOMU
TAGUCHI RYOICHI
KATO SHINGO
Application Number:
JP2010083145A
Publication Date:
October 27, 2011
Filing Date:
March 31, 2010
Export Citation:
Assignee:
DOWA METALS & MINING CO LTD
International Classes:
C02F11/00; C02F11/06; C02F11/08; C22B3/04; C22B3/44; C22B7/00; C22B30/04
Domestic Patent References:
| JP2009242224A | 2009-10-22 | |||
| JPH09241776A | 1997-09-16 | |||
| JPS54160590A | 1979-12-19 |
Attorney, Agent or Firm:
Aniya Setsuo
Hitoshi Kiyono
Okuyama Tomohiro
Hitoshi Kiyono
Okuyama Tomohiro
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