公开(公告)号：US20170107595A1

公开(公告)日：2017-04-20

申请号：US15123865

申请日：2015-02-27

Applicant: A.L.M.T.CORP.

Inventor： Takeshi ITAKURA ,  Seiji NAKABAYASHI ,  Masaru IKEDA ,  Akihiko IKEGAYA

IPC: C22B3/00 ,  C22B3/42 ,  C22B3/26 ,  C22B7/00

CPC classification number: C22B23/0446 ,  C22B3/0005 ,  C22B3/42 ,  C22B7/006 ,  C22B23/02 ,  Y02P10/234

Abstract: The purpose of the present invention is to provide a solution for use in the extraction of cobalt, whereby it becomes possible to extract cobalt at lower cost and more safely compared with a case in which a conventional one is used. The solution for use in the extraction of cobalt according to the present invention comprises: an ionic liquid containing a quaternary ammonium group; and an organic solvent which exists in such a state that the organic solvent is mixed with the ionic liquid and which has a kauri-butanol value of 60 or more.