Title:
希薄金溶液中の金の回収方法
Document Type and Number:
Japanese Patent JP5667111
Kind Code:
B2
Abstract:
Disclosed is a method of recovering gold from an aqueous solution having a gold concentration of 10 mg/L or lower, using a plurality of extraction apparatuses for bringing the aqueous solution into contact with an extraction agent, arranged to configure a multi-stage extraction process, the method allowing the aqueous solution to continuously flow from the first-stage extraction process to the next-stage extraction process, while recycling the extraction medium used in each stage twice or more times for the extraction process of the same stage, without back extraction and reduction.
Inventors:
波多野 和浩
安部 吉史
小野 瑛基
勝川 浩至
安部 吉史
小野 瑛基
勝川 浩至
Application Number:
JP2012058812A
Publication Date:
February 12, 2015
Filing Date:
March 15, 2012
Export Citation:
Assignee:
ＪＸ日鉱日石金属株式会社
International Classes:
C22B11/00; C02F1/26; C22B3/20
Attorney, Agent or Firm:
Axis international patent business corporation