選鉱方法 - National University Corporation Hokkaido University

Title:

選鉱方法

Document Type and Number:

Japanese Patent JP6999109

Kind Code:

B2

Abstract:

To provide a beneficiation method that can efficiently recover fine particles of copper mineral.SOLUTION: The beneficiation method comprises an aggregation step of adding kerosene to a mineral slurry containing fine particles of copper mineral having a particle diameter D50 of 5 μm or less and aggregating the fine particles of copper mineral, and a flotation step of carrying out flotation using the mineral slurry. The addition amount of kerosene in the aggregation step is 5 to 15 L per 1 t of copper mineral. Fine particles of copper mineral aggregate and become easy to float in flotation. Because of this, fine particles of copper mineral can be recovered efficiently.SELECTED DRAWING: Figure 1

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Inventors:

Naoki Hiroyoshi
Mayumi Ito
Karito Taberin
Horn Bossy
Ryosuke Yamazawa
Yuji Imaizumi
Kuroiwa Kihito
Masashi Maki

Application Number:

JP2017164962A

Publication Date:

January 18, 2022

Filing Date:

August 30, 2017

Export Citation:

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Assignee:

National University Corporation Hokkaido University
Sumitomo Metal Mining Co., Ltd.

International Classes:

B03D1/006; B03D1/012; C22B15/00

Domestic Patent References:

JP2016215093A
JP2013212478A
JP2012201920A
JP52065104A
JP58089957A
JP2005329310A
JP2005060813A
JP53051125A

Foreign References:

US4316797

Attorney, Agent or Firm:

Yamauchi Patent Office

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