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Title:
METAL RECOVERY METHOD
Document Type and Number:
Japanese Patent JP2012149324
Kind Code:
A
Abstract:

To provide a metal recovery method that improves the capability of repeated use of a metal collecting material.

In the metal recovery method in which metal is separated and recovered from the metal collecting material that adsorbs metal from the seawater, the metal collecting material is, after adsorbing metal, immersed in an alkali solution to elute the metal therefrom.


Inventors:
Ishii, Kosuke
Takahashi, Katsumi
Application Number:
JP2011000010567
Publication Date:
August 09, 2012
Filing Date:
January 21, 2011
Export Citation:
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Assignee:
IHI CORP
International Classes:
C22B3/24; B01J20/26; B01J20/34; C22B60/02
Domestic Patent References:
JPS53126088A1978-11-02
Other References:
JPN6014041363; 須郷高信, 斎藤恭一: '海水ウラン採取技術の現状と展望' 日本原子力学会誌 Vol.36 No.7, 199407, Page.619-623, 日本原子力学会
JPN6014041365; 堀隆博 他4名: '放射線グラフト重合法により合成したアミドキシム樹脂の特性に対する酸およびアルカリ処理の効果' 日本化学会誌 No.9, 198809, Page.1607-1611
JPN6014041367; 'Fine Fibrous Amidoxime Adsorbent Synthesized by Grafting and Uranium Adsorption-Elution Cyclic Test' Separation Science and Technology Vol.39 No.16, 2004, Page.3753-3767
JPN6014041362; 玉田正男 他3名: 'モール状捕集システムによる海水ウラン捕集のコスト試算' 日本原子力学会和文論文誌 Vol.5 No.4, 20061225, Page.358-363
Attorney, Agent or Firm:
志賀 正武