نتایج جستجو برای: ore concentrate

تعداد نتایج: 59003  

2018
Ernst Schetselaar Doreen Ames Eric Grunsky

3D geological modeling of lithogeochemical and geological data provides insight into the role of the sulfide ore horizon and associated footwall hydrothermal alteration in localizing shear strain in the Flin Flon volcanogenic massive sulfide deposits, Canada, as deformation evolved from brittle-ductile to ductile regimes during collisional stages of the 1.9–1.8 Ga Trans-Hudson orogeny. 3D spati...

2012
N. Pradhan R. R. Nayak D. K. Mishra E. Priyadarshini L. B. Sukla B. K. Mishra

Th is study aims at studying effect of anaerobic dissimilatory iron (III) reducing bacterial consortium on different phases of iron present in lateritic n ickel ore. Such conversion in lateritic nickel ore are helpful in better recovery of sorbed metal values like Ni and Co by subsequent bioleaching or acid leaching. Here properties of thermally and microbially reduced lateritic nickel ore are ...

2013
S. C. Chelgani

The Thor lake deposit is a world class resource of rare earth (REE) metals and minerals in Canada. Development work to optimize a REE mineral recovery process flow sheet is underway, however, given the ore mineralogy; the developed reagent scheme is relatively complex. As part of a research project, micro flotation tests were conducted on a feed sample in order to examine factors affecting stre...

2014

The paper presents laboratory report on leach study of a particular ZnS ore using a range of concentrated acid. The authors carried out this work as prelude to a more systematic study on the considerable body of knowledge in processing this type of ore in terms of the Roast-Leach-Electrowin process and then considered the extent to which this method is applicable to their specific ore. The ore ...

2008
R. M. Tripathi S. K. Sahoo V. N. Jha Rajesh Kumar A. K. Shukla V. D. Puranik

Mining and ore processing activities are associated with changes in the surrounding environment and may pose a risk to human health, if adequate safety measures are not taken. The uranium ore generally varies worldwide between 0.03 – 3% U3O8, except for a few deposits where higher levels of uranium is reported. More than 95% of the ore is converted into waste material called “tailings”. Around ...

Journal: :Minerals 2022

In this paper, an innovative method is proposed to upgrade iron and remove phosphorus from high-phosphorus oolitic hematite ore by the sodium magnetization roasting–magnetic separation–sulfuric acid hydroxide leaching process. The process parameters of roasting, leaching, alkaline were optimized. results show that only adopting traditional separation, concentrate containing 57.49% Fe 1.4% P2O5 ...

Journal: :High Temperature Materials and Processes 2021

Abstract The influence mechanism of basicity on the reduction swelling index (RSI) iron ore briquettes was investigated using SEM analysis and Factsage 7.3 thermodynamic calculations based addition pure CaO to Bayan Obo concentrate. results revealed that solid solution Ca 2+ in FeO lattice increased with briquettes, whereas diffusion channels Fe ions during process from resulted formation a gre...

2006

In the 17century, German miners discovered a red coloured ore they believed to contain copper. They discovered upon analysis that there was no copper but that a useless, smelly material was actually present. Thinking the ore was evil they dubbed it "Kupfernickel" or Old Nick's Copper, which meant false or bad copper. Swedish scientist Baron Axel Frederich Cronstedt in 1751 finally isolated nick...

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