Development of advanced mineral processing technology for treatment of impurity ore by flotation and leaching combination process
Project/Area Number |
24360370
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Research Category |
Grant-in-Aid for Scientific Research (B)
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Allocation Type | Partial Multi-year Fund |
Section | 一般 |
Research Field |
Earth system and resources enginnering
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Research Institution | Akita University |
Principal Investigator |
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Co-Investigator(Kenkyū-buntansha) |
HAGA Kazutoshi 秋田大学, 大学院工学資源学研究科, 助教 (10588461)
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Project Period (FY) |
2012-04-01 – 2015-03-31
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Project Status |
Completed (Fiscal Year 2014)
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Budget Amount *help |
¥18,070,000 (Direct Cost: ¥13,900,000、Indirect Cost: ¥4,170,000)
Fiscal Year 2014: ¥2,600,000 (Direct Cost: ¥2,000,000、Indirect Cost: ¥600,000)
Fiscal Year 2013: ¥5,460,000 (Direct Cost: ¥4,200,000、Indirect Cost: ¥1,260,000)
Fiscal Year 2012: ¥10,010,000 (Direct Cost: ¥7,700,000、Indirect Cost: ¥2,310,000)
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Keywords | 浮選 / アルカリ浸出 / ミネラルプロセシング / 硫砒銅鉱 / 四面銅鉱 / 不純物 / ヒ素 / アンチモン / 浸出 / 銅鉱石 |
Outline of Final Research Achievements |
This study investigated the development of advanced mineral processing such as flotation - leaching - precipitation for removing impurities such as arsenic (As) and antimony (Sb) from copper ore with tennantite, tetrahedratite and enargite. In flotation, 95 % of enargite (Cu3AsS4) was recovered from the ore at pH4. On the other hand, recovery of chalcopyrite reached 20%. It is possible to separate enargite and chalcopyrite by controlling hydrophobicity of mineral surface and stability of froth that forms in the flotation cell by the addition of flotation reagents. In alkaline leaching, 90% of As and Sb were dissolved from the ore in NaOH - NaHS media under the optimum leaching conditions. In precipitation, more than 90 % of As and Sb were removed as a precipitate from the solution by adding sulphur, cooling and conditioning. Accordingly, valuable treatment conditions for removing impurities such as arsenic (As) and antimony (Sb) from dirty copper ore were developed.
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Report
(4 results)
Research Products
(16 results)
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[Presentation] The investigation of copper recovery process from nine tailing by flotation and high pressure leaching2014
Author(s)
Han, B., Altansukh, B., Haga, K., Stevanovic, Z., Radojka, J., Marcovic, R., Avramovic, L., Obradovic, L., Takasaki, T., Masuda, N., Ishiyama, D., and Shibayama, A.
Organizer
International Mineral Processing Congress 2014 (IMPC2014)
Place of Presentation
Sheraton Hotel(チリ・サンチアゴ市)
Year and Date
2014-10-20 – 2014-10-24
Related Report
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