— 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 …
— 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 …
— 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.
— 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 …
— 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 ...
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.
— To examine the dissolution behaviour of baked CSS flotation tailing was leached at 50°C at a 1/10 (w/v) for 1 hour by using water. After baking at 690°C calcine and leaching residue, S values ...
— Based on the above cognition, a new flotation method is proposed for coal flotation tailing. A part of the concentrates in the early stage of flotation should be scraped out quickly. Then, the concentrates obtained in the later stage of flotation are collected and merged into the concentrates obtained during the early stage of flotation, while ...
— 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 …
— (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 ...
— Coal flotation tailings (CFT) was calcined to be used as a supplementary cementing material. CFT and its calcined products were characterised by thermogravimetric analysis (TGA), X-ray diffraction (XRD) and Fourier transform infrared spectroscopy. The pozzolanic activity of the calcined products was analysed by the strength activity index. …
— 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 …
— 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 …
— 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 …
minerals in coal flotation tailing and their transportation behaviors in the re-flotationprocess. Flotation kinetic tests and timed-release flotationtests were performed to analyze the re-flotation efficiencyof coal flotation tailing. A series of characterization measurements such as X-ray diffraction
SYNOPSIS. Recovery of a chromite concentrate from UG2 flotation tailings streams, of a grade suitable for further pyrometallurgical treatment for the production of ferrochrome, …
— In this paper, based on the experiment on pure minerals, namely, galena, sphalerite and pyrite, it is concluded that the appropriate pH range for galena flotation is 8.5-10.5, that for sphalerite ...
— 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.
— Experts believe mine tailings could provide a new source of metals and minerals critical to the energy transition, while also cleaning up the environment.
— 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. •
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
— 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.
— 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 ...
— Fine valuable particles are lost to flotation tailings due to size and passivation. Hydrodynamic cavitation devices (HCDs) offer a robust recovery solution. …
— The recovery of zinc (Zn) and lead (Pb) from a citric leach solution of a non-sulfide type ore flotation tailing was examined utilizing sulfuric acid precipitation followed by solvent extraction using di(2-ethylhexyl) phosphoric acid (D2EHPA) as the extractant. Following lead precipitation (98.9%) with sulfuric acid, the pregnant leach solution was …
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 …
— 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 …
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 …
Thus, characterization of two types of flotation tailings from the mineral processing of itabirites and three types of base sand for molding have been carried out. The resulting …
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 …
— 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 …
— For instance, the flotation process is performed with water containing 25–35% wt solid ratio and is consumed 1.9–3 m 3 water per ton of ore processed (Gunson et al., 2012; Li et al., 2019). However, the tailing slurry containing roughly 40–60% solids is discharged as a result of the process (Bleiwas, 2012). The primary environmental ...
