— High-silicon iron ore tailing is typically regarded as abundant mining waste of little use; it occupies a vast area of land and is harmful to human health and the ecological environment. Nevertheless, high-silicon iron ore tailing contains abundant quartz resource. In this study, a superconducting high gradient magnetic separation (S-HGMS) coupling …
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— high content of valu able of valuable components so tha t the tailings can be t he tailings can be economically exploited, and new technologies for copper extract ion and recycling are being ...
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— Based on both the achievable recovery of the metals of interest and the concentrate grade (3.31% Cu and 2.22% Co), it was concluded that the reprocessing of tailings from the Kambove Concentrator ...
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— A combination of several different circular economy approaches (reduce, reprocess, upcycle, downcycle and dispose for future) is needed to manage the waste streams in mining in a holistic way. Various technologies are already in use for the recovery of metals from the tailings and for the use of the mineral residues in high and low-value …
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— There is currently a global movement towards reducing greenhouse gas emissions in response to increasing temperatures worldwide. For example, the European Union has set greenhouse gas reduction targets of 40% and 80–90% by 2030 and 2050, respectively, compared to 1990 levels (European Commision, 2011), and Australia has …
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— A combination of several different circular economy approaches (reduce, reprocess, upcycle, downcycle and dispose for future) is needed to manage the waste …
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— of mining tailing recycling and reuse and discusses leading technologies, including the benefits and. limitations, as well as emerging prospects. The findings of this review serve as a supporting ...
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— Significant interest has been focused on recovery rates, recovery options, and recovery utilization when tailings impoundments are re-mined. However, the stability of the tailings dams during the recovery process is also a severe issue. Based on engineering geological surveys and laboratory tests, the evolution of the Tongling tailings …
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— The burgeoning accumulation of vanadium-titanium magnetite tailings (VTMT) presents a dual challenge of environmental hazard and loss of valuable metal …
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— Several processes have been proposed for the recovery of REEs from mine tailings. Peelman et al. (2018) have proposed a method for the recovery of REEs from mine tailings from apatite mineral with an REE content of 1200–1500 ppm using acidic leaching followed by cryogenic crystallization and solvent extraction. They achieved a 70– ...
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— Indexes of academic publications in areas of knowledge related to tailings in mining in the. world between 1990 - 2022. Data source: Scopus. Given the concerns listed, the objective of this review ...
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— Because of concerns about these sediments in water and other issues, tailing ponds came into use. However, considering the recent tailing dam failures and growing need to use water more responsibly, and the prerequisite for the mines to keep their costs in control, a completely new and forward-looking approach is needed for …
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— Research highlights High tailing losses from the existing chromite plants (9–20% Cr 2 O 3). Accumulation of huge amount of low and sub-grade fines (10–30% Cr 2 O 3). Utilization of stockpiled tailings containing chromite values. Concentrate with required Cr 2 O 3 content and Cr/Fe ratio. Unrecoverable ultrafine chrome particles.
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— "NEMO has also developed processes and mixtures that can incorporate a high percentage of mine tailings and has demonstrated the potential use of mine tailings in concrete products. These developments were achieved by project partners Boliden, Thyssenkrupp, VITO and Resourcefull, specifically targeting the tailings from the Tara …
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— 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. It reached 7 billion tonnes of …
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— The mining industry is confronted with substantial challenges in achieving environmental sustainability, particularly regarding water usage, waste management, and dam safety. The increasing …
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High Recovery Rate Tailing Recycle Machine Price, Find Details and Price about High Recovery Rate Tailing Recycle Machine Price Tailings Recycle Processing Machine from High Recovery Rate Tailing Recycle Machine Price - Jiaozuo Hanfa Industrial Co., Ltd.
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— 1. Introduction. The recovery and recycling of gold have become the research focus of gold industry due to it has a widespread influence on our economy, technology and traditional values [1], [2].Currently, approximately 190,000 tons of gold has been mined since 1950 and the high quality ores are gradually depleted, more seriously, the residual …
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— Ecological restoration of mine tailings have impact on soil physiochemical properties and microbial communities. The surface soil has been a primary concern in the past decades, however it remains ...
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— E-tailing ethics thus shows a synergy toward failure mitigation strategies, and this synergy is further confirmed via H 7 where the moderating impact of 'e-tailing ethics' and 'justice of service failure recovery' is strongly significant and encouraging (β = 0.088, p = 0.006, Fig. 3) over 'recovery satisfaction'.
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— From all the three pillars of sustainability point of view (economic, social, and environmental), the recovery of critical elements from any secondary source (including mine tailings, electronic waste, and industrial residues) could be beneficial from circular economy perspective, closing the loop on raw materials and reducing the environmental ...
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— Extractive waste (EW), including tailings, is produced in large quantities during mining activities. In recent years, the linear economic model ("take-use-and-throw" approach) has been replaced by a circular …
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— Nowadays, many major copper mining projects in desert areas with extremely dry climates, as in northern Chile and the southern coast of Peru, process sulfide ores at high production rates; in some cases over 100,000 metric tonnes per day (mtpd), generating large amounts of tailings, that are commonly managed and transported to …
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