Nigeria is rich is solid mineral resources, such as: Kaolin, gypsum, mica, clay, tantalite, iron ore, gemstone, silica sand.
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Adopting technology from the world, PY Series spring cone crusher has an excellent performance in secondary…
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The behaviour of the dispersed phase of iron ore slime and fi nes is different for different surface-active agents. The improvement of iron value of slime and fi nes in the presence of surface ...
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Section snippets Materials and reagents. Wastewater and ore samples were obtained from the Yuanjing processing plant in Hunan, China. The wastewater sample is a mixture of mine and ore washing wastewater and characterised by high total suspended solids (TSS) mainly due to the presence of microfine particles generated during mining …
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Residual mining wastes after reuse or resource recovery are typically discarded at specific sites such as tailing ponds. If wastes are not disposed of properly, …
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Iron ore tailings (IOTs) are an important solid waste in the mining industry, which can pollute the environment and endanger human health. However, the disposal and high value-added utilization of iron tailings have always been a challenge. Notably, superconducting high-gradient magnetic separation (S-HGMS) technology is a promising …
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The results indicated that the scenario of wastewater reuse from nearby cities achieved the highest priority due to its significant impact on reducing blue WF (by …
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Residual amine in iron ore flotation. Miner. Eng. (2008) Ö. ... Overall, treating mining wastewater contaminated with collectors can contribute to reduce water consumption in the mining industry, benefiting environmental engineering efforts. ... Treatment and water reuse of lead-zinc sulphide ore mill wastewaters by high rate …
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This study intended to simultaneously treat and recover water for reuse, sulfuric acid, and copper from gold mining wastewater, from an innovative integrated system of membrane distillation (MD ...
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DOI: 10.1016/j.jclepro.2019.118898 Corpus ID: 211462095; Minimizing beneficiation wastewater through internal reuse of process water in flotation circuit @article{Shangyong2020MinimizingBW, title={Minimizing beneficiation wastewater through internal reuse of process water in flotation circuit}, author={Lin Shangyong and Run-qing …
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Reuse water can affect the recovery efficiency of ore flotation. •. This is due to interferents in the water such as ions and partially degraded flotation reagents. •. This …
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Recovering metals from wastewater and brine could augment metal stocks that are fundamental to modern technology. This Perspective assesses the potential of, …
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The main sources of wastewater from a mine site can be broadly classified into: • • • • Mine water; Process wastewater; Domestic wastewater; Surface run-off. The most probable contaminants in the wastewater produced by a typical mining industry can be broadly classified into 5 categories and are listed in Table 1.
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The desorption efficiencies of REEs were > 80.0% 4 after 4 reuse cycles. Abstract. ... while a major challenge, is urgently required to purify rare earth ore mining wastewater and thus facilitate the reuse of ... (II) from mining wastewater by carbon@nano-zero-valent iron (C@nZVI) derived from biosynthesis. Sep. Purif. …
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Yuanjiacun iron mine of Shanxi province in China is the largest iron mine of micrograined hematite combined with magnetite in Asia. The annual processing capacity of iron ore reaches 22 million tons, and the wastewater from mineral processing is about 400 thousand m 3 every day. If the dressing wastewater is directly discharged into the …
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The mining of ion-adsorption rare earth minerals or ores generated a large amount of wastewater containing rare earth elements at low-concentration, resulting in continuous environmental pollution. For this problem, our study prepared an efficient, recyclable MgO/MgFe 2 O 4 magnetic adsorbent, synthesized by a template method and …
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Recovery of phosphorus from mining wastewater could reduce the dependency on the global phosphate rock market [3]. Phosphate is an inorganic salt of phosphoric acid and found naturally as a phosphate rock [34, 52]. Phosphate can be found both as phosphate rock and potash ore. Phosphate rock is an igneous rock containing
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meaningful reuse, and the adoption of sustainable approaches. By examining technological developments, the regulatory framework and best ... KEYWORDS: WASTEWATER, IRON ORE, MINING. I. INTRODUCTION Water is an integral part of any mining operation and its importance cannot be overemphasized. Not only is it essential for mineral
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Membrane distillation (MD) and dispersive liquid–liquid extraction (d-LLE) were integrated for gold mining wastewater beneficiation and better use of natural resources.MD presented an average permeate flux of 5.51 ± 0.14 L/m 2 ·h, without a significant flux decay (p < 0.001), and rejection efficiencies for acid and metallic …
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Correspondence: [email protected]; Tel.: +1-519-824-4120 (ext. 52902) Abstract: Mining is an important industry, accounting for 6.9% of global GDP. However, global development promotes accelerated demand, resulting in the accumulation of hazardous waste in land, sea, and air environments.
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Present strategy for the management of wastewater from iron and steel plants includes conventional methods of wastewater treatment such as sedimentation to …
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Mineral processing wastewater contains large amounts of reagents which can lead to severe environmental problems, such as high chemical oxygen demand (COD). Inspired by the wastewater treatment in such industries as those of textiles, food, and petrochemistry, in the present work, electrocoagulation (EC) is applied for the first time to explore its …
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This study confirmed that EC is a promising method for the treatment and reuse of high-COD-containing wastewater in the mining industry, and it possesses great potential for wide industrial ...
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In many cases, most of the water used in mines is converted into wastewater. The type and amount of toxic and heavy elements in mine effluents depend on the type of ore extracted and chemicals used during processing ( Kobya et al., 2010).In addition, other factors such as the type of method used for mineral processing, mine …
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Iron Ore; Rare Earth; ... presents an economically and ecologically optimized process for the circular recovery and reuse of rare earth metals from diluted industrial wastewater from the mining ...
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Mining wastewater treatment is a critical process for minimization of negative environmental impacts. The mining industry includes the extraction of coal, ore, oil, gas, and other minerals. During the extraction and processing of materials, a large amount of wastewater is produced, which contains various contaminants, such as heavy metals …
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Coagulating sedimentation and oxidation treatment of process water in iron ore flotation of Yuanjiacun iron mine had been studied. The process water of this mine …
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In current processes, the mining industry generally adds lime to the wastewater to purify it. While often effective, the key issue with this method has been the volume of sludge that forms and the ...
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Smart Packaged Aspiral ™, EcoBox ™, and NIROBOX ™ systems from Fluence can protect local freshwater sources by treating and reusing mining wastewater for landscaping, irrigation, dust control, and even drinking water. This reduces wastewater-disposal expenses and protects local water sources while meeting the most stringent …
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Iron oxide particles recovered from AMD can be applied as adsorbents for the removal of pollutants from wastewater and for the fabrication of effective catalysts for heterogeneous …
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Rapid economic development and increased demand for mineral products in China have led to extensive extraction of various ores, resulting in significant environmental challenges associated with the generation of industrial solid waste, particularly iron tailings. Despite being a major mining nation, China faces issues of wasteful practices, with …
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Miller, K. D. et al. Mine water use, treatment, and reuse in the United States: a look at current industry practices and select case. ACS EST Eng. 2, 391–408 (2022). Article CAS Google Scholar
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Regarding the effect of water recycling on reagents addition rate, a study performed at the Samarco mine in Brazil has shown that wastewater reuse during the reverse flotation of haematite has allowed to halve the consumption of cationic collector resulting in an improvement of the process economy (Stapelfeldt and Fernandes Lima …
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In 2022, her company Nibeenabe piloted its device for remediation and attenuation of multiple pollutants (DRAM) technology to filter the tailings from a Madre de Dios mine extracting commodities that would otherwise be wasted. Large amounts of silver, copper, molybdenum, chromium, cobalt and other metals were recovered, according to …
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Mining is one of the basic sectors of the world-wide economy. World iron ore production in 2011 reached 2.9 billion tons (U.S.G.S., 2013) and the number of deposits with low iron content is continuously increasing, which forces the mining companies to increase the froth flotation process that is the most used method for iron ore beneficiation ...
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