Title:
フライアッシュからのガリウムの抽出方法
Document Type and Number:
Japanese Patent JP5379332
Kind Code:
B2
Abstract:
Disclosed is a method for extracting gallium from fly ash, which comprises the following steps: crushing the fly ash and removing Fe by magnetic separation; then dissolving it by using hydrochloride acid to obtain hydrochloric acid leachate; adsorbing gallium contained in the hydrochloric acid leachate with macro-porous cationic resin, followed by eluting to obtain an eluent containing gallium; adding masking agent to mask ferric ion to obtain an eluent containing gallium after masking; adsorbing gallium in the eluent containing gallium after masking with macro-porous cationic resin, followed by eluting to obtain a secondary eluent; adding sodium hydroxide solution into the secondary eluent to react; filtering and removing precipitates after reaction, and then concentrating the filtrate and electrolyzing to obtain metal gallium. The method simplifies the process and improves extraction efficiency of gallium.
Inventors:
Gudhjao
Jean inshan
Way kundi
Han Jang Guo
You Deli
Guo Chaofa
Chao Eisin
Elephant pin
Gu Chun Bin
Jean inshan
Way kundi
Han Jang Guo
You Deli
Guo Chaofa
Chao Eisin
Elephant pin
Gu Chun Bin
Application Number:
JP2013506475A
Publication Date:
December 25, 2013
Filing Date:
April 27, 2011
Export Citation:
Assignee:
China Shenhua Energy Company Limited
International Classes:
C22B58/00; B01D35/06; B01J39/04; B01J49/00; B03C1/027; B03C1/029; B03C1/03; B03C1/032; B09B3/00; B09B5/00; C22B3/04; C22B3/42; C22B7/02
Domestic Patent References:
| JP61111917A | ||||
| JP62080237A | ||||
| JP57079132A | ||||
| JP62278237A |
Foreign References:
| CN101368231A |
Attorney, Agent or Firm:
Koichi Tsujii
Sadao Kumakura
Disciple Maru Ken
Ino Sato
Mitsuru Matsushita
Ichiro Kurasawa
Kazushige Tanzawa
Sadao Kumakura
Disciple Maru Ken
Ino Sato
Mitsuru Matsushita
Ichiro Kurasawa
Kazushige Tanzawa