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Dive into the research topics where Leming Ou is active.

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Featured researches published by Leming Ou.


Mineral Processing and Extractive Metallurgy Review | 2017

Recovery Enhancement of Ultrafine Wolframite through Hydrophobic Flocs Magnetic Separation

Qingyou Meng; Qiming Feng; Leming Ou

ABSTRACT The recovery of ultrafine wolframite (<10 μm) by using flocs magnetic separation was investigated. Magnetic-separation results showed that recovery was closely correlated with the particle size of wolframite, where ultrafine particles were difficult to capture. Hydrophobic particles induced by octyl hydroxamic acid (OHA) could generate flocs, which enlarged the apparent size of particles. Furthermore, the recovery of ultrafine wolframite by flocs magnetic separation was higher than that by conventional magnetic separation. These findings indicated that the recovery was related to the increase in the magnetic force due to the particles’ size induced by hydrophobic flocculation.


Minerals Engineering | 2007

An environmentally-friendly technology of vanadium extraction from stone coal

Dongsheng He; Qiming Feng; Guofan Zhang; Leming Ou; Yiping Lu


International Journal of Mineral Processing | 2006

Investigations on the extraction of molybdenum and vanadium from ammonia leaching residue of spent catalyst

Yun Chen; Qiming Feng; Yanhai Shao; Guofan Zhang; Leming Ou; Yiping Lu


Minerals Engineering | 2010

Kinetics of saprolitic laterite leaching by sulphuric acid at atmospheric pressure

Wei Luo; Qiming Feng; Leming Ou; Guofan Zhang; Yun Chen


Journal of Non-crystalline Solids | 2007

Preparation and characterization of amorphous silica nanowires from natural chrysotile

Kun Liu; Qiming Feng; Yanxia Yang; Guofan Zhang; Leming Ou; Yiping Lu


Minerals Engineering | 2006

Research on the recycling of valuable metals in spent Al2O3-based catalyst

Yun Chen; Qiming Feng; Yanhai Shao; Guofan Zhang; Leming Ou; Yiping Lu


Minerals Engineering | 2006

Adsorption of polysaccharide onto talc

Gushan Liu; Qiming Feng; Leming Ou; Yiping Lu; Guofan Zhang


Hydrometallurgy | 2009

Fast dissolution of nickel from a lizardite-rich saprolitic laterite by sulphuric acid at atmospheric pressure

Wei Luo; Qiming Feng; Leming Ou; Guofan Zhang; Yiping Lu


Hydrometallurgy | 2009

Studies on recovery of vanadium from desilication residue obtained from processing of a spent catalyst

Yanhai Shao; Qiming Feng; Yun Chen; Leming Ou; Guofang Zhang; Yiping Lu


Applied Clay Science | 2013

Adsorption of Cu(II) ions from aqueous solutions on modified chrysotile: Thermodynamic and kinetic studies

Kun Liu; Binnan Zhu; Qiming Feng; Qian Wang; Tao Duan; Leming Ou; Guofan Zhang; Yiping Lu

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Qiming Feng

Central South University

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Guofan Zhang

Central South University

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Yiping Lu

Central South University

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Kun Liu

Central South University

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Yanhai Shao

Central South University

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Yun Chen

Central South University

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Qingyou Meng

Northeastern University

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Wei Luo

Central South University

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Hao Chen

Central South University

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Qing Shi

Central South University

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