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Beneficiation of Super Fine Low-grade Hematite Ore by Coal-based Direct Reduction-magnetic Concentration Process
With significant increase in steel output in the world the price of iron ores has been soaring recently. Especially, there is a strong demand for iron ores in China, leading to more attentions paid to
Jan 1, 2014
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An Experimental Investigation of Slag Foaming of High Fexo Slags
By Susanna A. C. Stadler, Chris Aldrich, Jacques J. Eksteen
Slag foaming occurs in several pyrometallurgical processes. These processes include steelmaking in basic oxygen steelmaking furnaces and electric arc furnaces as well as various non-ferrous operations
Jan 1, 2003
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Hydrophobic Aggregation And Flotation Of Smithsonite In Surfactant Solution
By Q. Shi
An investigation into the hydrophobic aggregation of ultrafine smithsonite in surfactant solution has been undertaken through a combination of hydrophobic flocculation experiments, zeta potential meas
Sep 1, 2012
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Strengthen the Separation of Iron and Slag by Co-Reduction of High-Manganese and High- Aluminum Iron Ores
By Pan, Jian, Siwei Li, Deqing Zhu
"It is great significance to realize the efficiently and comprehensively utilization of iron, manganese and aluminum from refractory high-aluminum and high-manganese iron ores. Aimed at the two types
Jan 1, 2018
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Replacing Petrov's Process with Atmospheric Flotation Using PB-BHA Complexes for Separating Scheelite from Fluorite
By Wei Sun, Ruolin Wang, Jianjun Wang, Xiaodong Li, Honghu Tang, Yuehua Hu, Anh V. Nguyen, Haisheng Han, Kefeng Chen, Zhao Wei
It is difficult to separate scheelite especially from fluorite with fatty acid collectors because the adsorption mechanism of these collectors occurs through chemisorption of the oleate ion onto the m
Jan 1, 2018
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Surface Chemistry Features in the Flotation of KCl
By F. Q. Cheng
Despite the successful industrial practice to recovery KCl by flotation, the adsorption state of collectors at KCl salt surfaces is still not fully understood. In this paper, the captive bubble contac
Jan 1, 2014
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Non Contact Acoustics Measurement and Validation of SAG Mill Operation (9e67a48f-a988-4e1a-b466-2b273ec64d48)
By Rod Hocking, Nenad Djordjevic, Randolph Pax
"Semi Autogenous (SAG) mills exhibit complex interactions between the competing processes occurring inside them. Traditional practice is to measure the operation of the SAG mill at an operating point
Jan 1, 2003
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The recycling scheme investigation of copper mineral on a kind of copper raw ore produced in China
By Dezhou Wei, Cong Han, Shuling Gao, Wengang Liu, Yanbai Shen
The recycling schemes of copper mineral to a copper raw ore produced in China is investigated in this paper, of which is aimed at copper concentrate‘s grade is over 26.00% and recovery is over 90.00%.
Jan 1, 2014
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Optimization of a Compound Spiral for Cleaning High Sulfur Fine and Ultrafine Coal
By B. J. Zhang
Conventional spirals are capable of providing excellent clean coal recovery, although at a relatively high ash content. Compound spirals, which provide two stages of spiral cleaning in a single taller
Jan 1, 2014
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Single phase tracer mixing and power number studies in laboratory scale flotation cells
By Sanja Miskovic, Manjunath Basavarajappa
Numerical investigation of fluid flow characteristics and mixing efficiency of different impeller designs, based on the mixing characteristics of a passive scalar/tracer, is conducted using CFD for la
Jan 1, 2014
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Process for deep concentration of iron ores
By Sarra Scherbakova, Alexander Kurkov, Andrey Egorov
"Deep concentration of iron ores involves extraction, in addition to magnetite concentrate, of hematite and martite concentrates and recovery of other valuable components. A flotation technology was d
Jan 1, 2014
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Surface species, roughness and hydrophobicity of enargite under electrochemically-controlled oxidation
By Chris Plackowski, Bruckard. Warren J., Anh V. Nguyen
"Enargite is a significant penalty mineral in the copper industry and its separation from many copper sulfides by flotation is difficult. The separation may be crudely achieved using selective oxidati
Jan 1, 2014
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Kinetics Of Rh, Ru, And Ir Dissolution During The Sulphuric Acid Pressure Leaching Of First Stage Leach Residue
By C. Dorfling
Experimental work was performed using a bench scale autoclave to evaluate the effects that leaching temperature, pressure, initial acid concentration, and the solid to liquid ratio have on the behavio
Sep 1, 2012
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Evaluation of New Emulsified Floatation Reagent for Coal
By S. Q. Zhu
A newly developed coal flotation collector ZFC and its flotation characteristics for five different coals were introduced in this paper. ZFC is an emulsion composed of 27% diesel oil, 70% water and 3%
Jan 1, 2014
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Unambiguous Optimization of Multi- component Separation
By E. Barsky
The composition of multi-component materials is proved to be unambiguously determined by the composition uncertainty parameter (composition entropy). At the same time, every component, depending on i
Jan 1, 2014
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Study on Synthesis and Collecting Capability of N-dodecylethylenediamine
By D. Z. Wei
Amine collectors with different structures and length of carbon-chain have been widely used in oxide minerals flotation. In this paper, we synthesized one kind of binary amine, N-dodecylethyl- enediam
Jan 1, 2014
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Single and Binary Adsorption of Arsenic and Lead onto Red Mud and Coal Waste
By G. Bulut, Ü. Yenial
"Heavy metals contamination in aqueous systems can be found in a variety of industries, in particularly mining, metal processing, finishing and plating. Water containing more than 0.5 ppm heavy metal
Jan 1, 2018
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Efficient Elimination of Stubborn Slimes Using a Hydrocyclone
By P. Saha, D. M. Chakrabarti, J. P. Srivastavam, P. Bhattacharyya, B. R. Sarkhel, Banerjeem B.
The phosphatic soil deposit at the Sukulu hills region of Uganda contains 10-12% P2O5. The ore occurs as a naturally degraded soil deposit containing a very sticky slime composed of earthy lateritic m
Jan 1, 2003
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The Successful Application Of A Laboratory-Developed Test Protocol Utilizing Electrochemical And Surface Chemical Analysis To The Industrial Flotation Process Of A Complex Sulphide (Cu-Pb-Zn-Au-Ag) Ore
By Caroline Olsen
The objective of this study was to achieve Zn activation control in an industrial Cu flotation circuit treating a complex Cu-Pb-Zn-Au-Ag sulphide ore at the LaRonde Division of Agnico-Eagle Mines Limi
Sep 1, 2012
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Clay Sample Preparation Treatment for XRD Analysis
By D. Steele, B. Ndlovu
"Adequate characterisation of clays is becoming increasingly important as operating mines move into areas of more complex ores. The processing therefore needs better mineralogical characterisation to
Jan 1, 2018