Development of Separation Process for Utilization of Low Grade Ilmenite Ore

doi:10.12972/ksmer.2014.51.4.503

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2014 Vol.51, Issue 4 Preview Page Next Page

Research Paper

Development of Separation Process for Utilization of Low Grade Ilmenite Ore 저품위 티탄철석의 활용을 위한 선별시스템 개발: 이광훈, 백상호, 최희경, 전호석
Kwang-Hoon Lee, Sang-Ho Baek, Hee-Kyoung Choi, Ho-Seok Jeon

31 August 2014. pp. 503-512

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Abstract

This study was carried out for the development of separation process that can produce the ilmenite concentrate of over 48% TiO2 from low grade ilmenite crude ore. In order to reduce treatment cost and increase separation efficiency the magnetic separation at first was applied for recovering the magnetic minerals. Which reground would make the degree of liberation increase. which was treated by gravity separation to reject the gangue minerals from the magnetic product. Because the heavier product contains not only ilmenite but also magnetite and other gangue minerals, the product was treated by further dry magnetic separation to obtain the higher grade ilmenite concentrate. Finally, the high-grade ilmenite concentrate of 50.3% TiO2 could be obtained with recovery of 49.1% through the separation process developed in this study.

Keywords

Ilmenite

Separation process technology

Magnetic separation

Gravity separation

저품위 티탄철석으로부터 TiO2 48% 이상인 고품위 티탄철석 정광을 생산 할 수 있는 선별공정 개발 연구가 수행되었다. 선별비용 저감과 선별효율 향상을 위해 먼저 조립 산물에서 자력선별에 의해 자성산물을 회수한 다음, 단체분리도의 향상을 위해 재분쇄 하였다. 이것을 가지고 비중선별법을 적용하여 비중이 낮은 맥석광물들을 제거하였다. 이때 회수된 중광물에는 티탄철석과 비중은 비슷하나 강자성체인 자철광과 약자성 혹은 비자성인 맥석광물들이 함께 수반되어 있어서, 이들의 제거를 위하여 다시 건식 자력선별법을 적용하여 최종 티탄철석 정광을 회수하는 공정을 개발하였다. 본 연구에서 개발된 선별공정을 적용한 실험결과, 최적실험 조건에서 TiO2 품위와 회수율이 각각 50.3%와 49.1%인 최종 티탄철석 정광을 얻었다.

키워드

티탄철석

선별공정

자력선별

비중선별

References

Babu, N., Vasumathi, N. and Bhima, R., 2009, “Recovery of ilmenite and other heavy minerals from Teri sands(Red sands) of Tamil Nadu, India,” J. of Minerals & Materials Characterization & Engineering, Vol. 8, No. 2, pp. 149- 159.
Belardi, G., Piga, L., Quaresima, S. and Shehu, N., 1998, “Application of physical separation methods for the upgrading of titanium dioxide contained in a fine waste,” International Journal of Mineral Processing, 53, pp. 145-156.
Fan, X. and Rowson, N., 2000, “The effect of Pb(NO₃)₂ on limenite flotation,” Minerals Engineering, Vol. 13, No. 2, pp. 205-215.
Jeong, J.G., Kim, W.S. and Dabid, H., 1989, “Geological structure of Hadong anorthositic rocks and associated titanium orebody,” J. of The Geological Society of Korea, Vol. 25, No. 1, pp. 98-111.
Kang, H.C., Uhm, G.H. and Shin, S.M., 1991, “Separation of Garnet from Granite,” J. of The Korean Society of Mineral and Energy Resources Engineers, Vol. 28, pp. 366-374.
Koh, S.M., 2010, “Occurrence of ilmenite deposits in Hadong- Sancheong area,” J. of The Mineralogical Society of Korea, Vol. 23, No. 1, pp. 25-37.
Korea Institute of Geoscience And Mineral Resources (KIGAM), 2012, Mineral commodity supply and demend.
Korea Mineral Resources Information Service, 2013.10.24, www.kores.net.
Premaratne, W. and Rowson, N., 2003, “The processing of beach sand from sri lanka for the recovery of titanium using magnetic separation,” Physical Separation and Engineering, Vol. 12, No. 1, pp. 13-22.
Zhang, X., Liu, D., Fang, J. and Xu, J., 2011, “Study on influence of residual magnetite in Panzhihua ilmenite flotation,” Procedia Earth and Planetary Science, Vol. 2, pp. 83-88.

Information

Publisher :The Korean Society of Mineral and Energy Resources Engineers
Publisher(Ko) :한국자원공학회
Journal Title :Journal of the Korean Society of Mineral and Energy Resources Engineers
Journal Title(Ko) :한국자원공학회지
Volume : 51
No :4
Pages :503-512
DOI :https://doi.org/10.12972/ksmer.2014.51.4.503

[1] Babu, N., Vasumathi, N. and Bhima, R., 2009, “Recovery of ilmenite and other heavy minerals from Teri sands(Red sands) of Tamil Nadu, India,” J. of Minerals & Materials Characterization & Engineering, Vol. 8, No. 2, pp. 149- 159.

[2] Belardi, G., Piga, L., Quaresima, S. and Shehu, N., 1998, “Application of physical separation methods for the upgrading of titanium dioxide contained in a fine waste,” International Journal of Mineral Processing, 53, pp. 145-156.

[3] Fan, X. and Rowson, N., 2000, “The effect of Pb(NO₃)₂ on limenite flotation,” Minerals Engineering, Vol. 13, No. 2, pp. 205-215.

[4] Jeong, J.G., Kim, W.S. and Dabid, H., 1989, “Geological structure of Hadong anorthositic rocks and associated titanium orebody,” J. of The Geological Society of Korea, Vol. 25, No. 1, pp. 98-111.

[5] Kang, H.C., Uhm, G.H. and Shin, S.M., 1991, “Separation of Garnet from Granite,” J. of The Korean Society of Mineral and Energy Resources Engineers, Vol. 28, pp. 366-374.

[6] Koh, S.M., 2010, “Occurrence of ilmenite deposits in Hadong- Sancheong area,” J. of The Mineralogical Society of Korea, Vol. 23, No. 1, pp. 25-37.

[7] Korea Institute of Geoscience And Mineral Resources (KIGAM), 2012, Mineral commodity supply and demend.

[8] Korea Mineral Resources Information Service, 2013.10.24, www.kores.net.

[9] Premaratne, W. and Rowson, N., 2003, “The processing of beach sand from sri lanka for the recovery of titanium using magnetic separation,” Physical Separation and Engineering, Vol. 12, No. 1, pp. 13-22.

[10] Zhang, X., Liu, D., Fang, J. and Xu, J., 2011, “Study on influence of residual magnetite in Panzhihua ilmenite flotation,” Procedia Earth and Planetary Science, Vol. 2, pp. 83-88.

Journal of the Korean Society of Mineral and Energy Resources EngineersISSN:2288-0291(Print) 2288-2790(Online)한국자원공학회

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