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Title:
Rh溶液からのTe分離方法
Document Type and Number:
Japanese Patent JP4100696
Kind Code:
B2
Abstract:

To provide a method for efficiently separating Te from a hydrochloric acid solution containing Rh and a small amount of Te.

In the method for removing Te from a hydrochloric acid solution containing Rh and a small amount of Te, in a step of crystallizing the Rh as (NH4)3RhCl6with ammonium chloride from the hydrochloric acid solution, alcohol is added to the solution before crystallization to precipitate the mixture of (NH4)3RhCl6and Te, this mixture is obtained by filtration and repulped with deionized water, whereby the (NH4)3RhCl6soluble in the deionized water is dissolved and recovered, and the Te insoluble in the deionized water is filtered off.

COPYRIGHT: (C)2007,JPO&INPIT


Inventors:
Nagai Tomon
Application Number:
JP2005088185A
Publication Date:
June 11, 2008
Filing Date:
March 25, 2005
Export Citation:
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Assignee:
Nikko Metal Co., Ltd.
International Classes:
C22B11/00; C22B3/04; C22B3/44; C22B7/00
Domestic Patent References:
JP10025525A
JP59016938A



 
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