Process effluents and mine tailings: sources, effects and
— Increasing population levels, growing economies, rapid urbanization and changes in consumption patterns have increased the demand for raw materials such as base and precious metals, leading to growing concerns regarding their availability and the global efficiency of the mine supply chain. Mine tailings, consisting of process effluents …
Experiences in the production of metallurgical and chemical …
SYNOPSIS. Recovery of a chromite concentrate from UG2 flotation tailings streams, of a grade suitable for further pyrometallurgical treatment for the production of ferrochrome, …
Flotation of a refuse tailing fine coal slurry
— The flotation process performance of a refuse tailing fine coal slurry sample from a Colombian washing coal plant was studied using a mechanical flotation technique. Flotation parameters investigated included dosage of frother methyl-isobutyl-carbinol (MIBC) and collector (kerosene), as well as scrubbing time for the mechanical flotation …
Interaction mechanism of the adopted reagents in the flotation …
— Roughing flotation experiments. The flotation tailing obtained from the galena flotation of Canada's sulfide deposit has a high content of fine-grained sphalerite and pyrite. 80 % of both sphalerite and pyrite particles are less than 0.074 mm in size. In this study, the flotation method was employed to recover them.
Flotation and Tailing Discarding of Copper Cobalt Sulfide Ores
— The mineral composition of copper–cobalt ores is more complex than that of copper sulfides, and it is also difficult to discard tailing efficiently in primary flotation for the fine-grained disseminated of ore. In this work, a mineral liberation analyzer (MLA) was employed to study the characteristics of minerals. As a significant mineralogical …
The flotation of sphalerite mine tailings as a remediation …
— Flotation of sphalerite tailings allows obtaining a Zn commercial concentrate. ... 2014) reported about the performance of the control system for the flotation of complex Pb-Zn sulphide ore from JingDong Tailing Company, Fujian Province, China, containing 0.28% Pb and 0.42% Zn. The main compounds were sphalerite and galena.
Reprocessing of tailing from Erdenet copper ores: …
— The Erdenet tailing storage facility (TSF) is one of the largest in the world with a total area of 18.6km2. Over 40 years of history of Erdenet mining, the process tailing has been collected in the tailing dam and now becomes the biggest resource for research. The goal of this research work is to define the optimized condition of the flotation with...
The Challenges and Prospects of Recovering Fine Copper …
— Flotation is a common mineral processing method used to upgrade copper sulfide ores; in this method, copper sulfide mineral particles are concentrated in froth, and associated gangue minerals are separated as tailings. However, a significant amount of copper is lost into tailings during the processing; therefore, tailings can be considered …
Investigation of Flotation Conditions for Cobalt Recovery …
— Recovering valuable metals from tailings not only provides a source of income but also helps conserve natural resources, thus reducing the environmental impact of mining activities. This study aimed to recover cobalt using tailings of the Küre flotation plant, which were determined to contain 0.17% Co. Flotation tests were conducted on …
Improved flotation of PGM tailings with a high-shear …
— Fine valuable particles are lost to flotation tailings due to size and passivation. Hydrodynamic cavitation devices (HCDs) offer a robust recovery solution. …
Recovery of Copper from Cyanidation Tailing by …
— Recovery of Copper from Cyanidation Tailing by Flotation TINGSHENG QIU,1,2 XIONG HUANG,2 and XIULI YANG1,2,3 1.—Jiangxi Key Laboratory of Mining Engineering, Jiangxi University of Science and Technology, ... cyanidation tailings are dumped into tailing ponds every year.1–5 At present, approximately 300 million tons of …
IMPROVED FLOTATION OF FINE PGM TAILINGS WITH A …
complement rather than replace flotation size bubbles (Nesset et al., 2006). Research has shown that the ageing of micro (pico) bubbles as well as flotation sized bubbles was detrimental to particle-bubble attachment and that future the optimum flotation conditions would be obtained under conditions in which the two are co-generated.
CHAPTER V MINE TAILINGS – A SYSTEMS APPROACH
Progress in tailings management requires taking into consideration that tailings are part of a complex system. There is more complexity to managing tailings than can be handled by …
Gold in Tailings — Mineralogical Characterisation and
recovered by gravity, flotation, cyanidation, or a combination of these techniques. Figure 1 illustrates some common forms of gold in gold ores. The gold grain in Figure 1a is coarse (approximately 600 × 1000 µm) and completely liberated, and can be recovered by gravity, flotation or cyanidation. High gold
MANAGEMENT OF TAILINGS: PAST, PRESENT AND FUTURE
MANAGEMENT OF TAILINGS: PAST, PRESENT AND FUTURE ... tailings.
Insights into the design of polymetallic ore flotation circuits
— Flotation circuit designs for polymetallic ores are investigated. • Stage recovery uncertainty does not affect the flotation circuit structure. • The tailing generation without sulfur species was included using a most proactive approach. • Three types of circuit designs are analyzed, including bulk and selective flotation stages. •
1 Froth Flotation – Fundamental Principles
no flotation can occur. Contact between particles and bubbles can be accomplished in a flotation cell such as the one shown schematically in Figure 5. Figure 5: Simplified schematic of a conventional flotation cell. The rotor draws slurry through the stator and expels it to the sides, creating a suction that draws air down the shaft of the stator.
A Review of Tailings Dam Safety Monitoring Guidelines and …
— The awareness of tailings dam safety monitoring has widened due to the recent disasters caused by failures of such structures. The failure rate of tailings dams worldwide (i.e., the percentage of failed dams out of total) is estimated at 1.2%, compared to the 0.01% rate for traditional water dams. Most of the tailings dam monitoring …
What are tailings storage facilities
Tailing storage facilities . There are three broad types of TSF construction, which are depicted below. The design choice is based on factors, including: TSF location ; site conditions (geology, seismicity, climatic conditions) construction materials ; …
A new gravity & flotation separator with double-tailing …
The classification of the flotation tailing removes large quantities of the slurry, and largely re-duces the load of gravity scavenging. The classification device and the water-only cyclone are the main characteristics of this new separator to distinguish from other columns or flotation equipment.
Research on Beneficiation and Reprocessing of …
— The most indispensable part of the ore process engineering is the shaking table operation, so that the recovered products can not only be applied to metal ores or gold mines. After the shaking table and other …
Tailings dewatering by pressure filtration: process …
Compared to other technologies (e.g. vacuum and hyperbaric), filter press filtration provides the ability to obtain very high dewatering levels, producing dewatered tailings cakes with …
Tailings potential: recovering metals from mine …
— Alaska Energy Metals CEO Gregory Beischer, who is also a geologist and technical engineer, says several technologies have already been developed and successfully trialled to recover critical minerals …
MINING TAILINGS AND MANAGEMENTS
flotation (figure 1) is the most widely used concentration method and is normally the first step in the mineral processing sequence where chemical reagents are introduced (Vick …
(PDF) Cassiterite recovery from a sulfide ore flotation tailing …
— (a) Technological process showing the effects of pH and each reagent dosage; (b) Sn recoveries and grades of the flotation concentrate and tailing as a function of pH; dosages of (c) Na2SiO3, (d ...
Recovery of zinc and lead from Yahyali non-sulphide flotation tailing
— Based on the sequential leaching experiments, the zinc and lead were excellently depleted from the flotation tailing, leaving a considerable amount of iron in the final residue. Key words: zinc; lead; flotation tailing; sequential leach 1 Introduction Zinc and lead are the most used non-ferrous base metals in the world after copper and aluminum.
Associations of Gangue Minerals in Coal Flotation Tailing …
— Yu et al. 15 proposed a separation process of coal flotation tailing, namely reverse flotation–grinding–re-separation, to obtain the clean coal product with a yield of 25% and an ash content of 13.96%. It is worth noting that the above re-separation processes of coal flotation tailing all include a grinding stage.
Cassiterite recovery from a sulfide ore flotation tailing …
experiments and a 0.5-L flotation cell for cleaning flotation experiments at an impeller speed of 1800 rpm. In each roughing flotation experiment, the mineral suspension was prepared by adding raw ores (1000 g) to a certain amount of tap water. After each flotation experiment, the concentrate and tailings were separately filtered, dried, and ...
(PDF) Investigation of flotation parameters for copper recovery …
— This study aimed to recover cobalt using tailings of the Küre flotation plant, which were determined to contain 0.17% Co. Flotation tests were conducted on samples taken from the tailings to ...
Flotation technique: Its mechanisms and design parameters
— Flotation is a widely used, cost-effective separation technique for wastewater treatment [1], mineral beneficiation [2], micro-oxygenation of wine [3], fermentation [4], ink removal [5], plastic recycling [6] etc. Flotation techniques are used for the various chemical, mineral and biological industries.In this technique, components like fine particles, oil …
(PDF) Recycling strategies of mine tailing, and its technical …
— This review paper critically explores available literature on the main techniques of mining tailing recycling, and discusses leading recycling technologies, including the benefits and limitations ...
A novel chemical scheme for flotation of rutile from eclogite tailing
— A novel chemical scheme for the flotation of rutile from eclogite tailings has been developed in this work. It consists of lead ion as the activator, sodium fluorosilicate (SF) as the depressant, and styryl phosphonic acid (SPA) and n-octyl alcohol (OCT) as the collector.By using the proposed scheme to treat a feed ore of 4.5% TiO 2, a rougher …
Flocculants and tailings – Process productivity
— Synthetic flocculants improve dewatering capabilities but are they having a negative affect on TSF management? In our latest blog, we discuss whether flocculant choice plays a role in tailings treatment, and …
Degradation of residual xanthate in flotation tailing …
— 1. Introduction. Non-ferrous metal ores are primarily beneficiated by flotation process, which generates a multitude of mineral processing wastewater (MPW) [1].The main pollutants in beneficiation wastewater are often residual organic flotation reagents and soluble metal ions (e.g., Cu, Pb, Zn, and Fe) [2], [3].Xanthate is one of the most …
Mining Solutions
Clariant Mining Solutions is the only supplier in the mining industry to offer customized chemical solutions for the end-to-end mining process, including leading technology in flotation chemistry and explosive emulsifiers. Clariant Mining Solutions concentrates on specific ore applications such as Copper and other Sulphide Ores, Iron Ore, Phosphate, …
Fine chrome beneficiation and reverse PGM upgrade of …
tailings. A pilot-scale Longi-Multotec LGS 500 vertical ring WHIMS unit was successfully used to upgrade chromite by 6–14% with a recovery of 44–62% at 0.4 T, and by 4–6% …