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Based on single mineral flotation results, it can be seen that the optimum condition for flotation separation is 2400 g / t carrageenan at pH 8. According to Table 2, in the absence of depressant, a good recovery could be easily achieved; a poor concentrate grade was observed, which was consistent with single-mineral flotation results.
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Among the influencing factors shown in Fig. 1, particle size is the most important [[9], [10], [11]].Froth flotation works best when minerals are in an intermediate particle size range, typically from 20 to 150 μm, but varies with the types of minerals [[10], [11], [12]].When particles are smaller than about 20 μm, value mineral recovery and separation selectivity drop quickly.
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Although the flotation process for the fine coal is fairly straightforward there is still a need for determining the optimum condition to ensure the required degree of separation is achieved.
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Sodium oleate (NaOL) is a fatty acid collector that is commonly used in rutile flotation (Kasomo et al., 2020b, Liu et al., 2015, Singh et al., 2016, Yu and Gong, 2015).It can effectively adsorb on the surface of oxidized ore and show good collecting performance (Buchholz et al., 2016, Cheng et al., 1993, Hu et al., 2022).However, the selectivity of NaOL is weak, …
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Hence, in this work, the 1-Dodecyl-3-methylimidazolium bromine (DMB) ionic liquid was selected for reverse flotation separation of feldspar from apatite. The Dodecylamine (DDA) was also used as a collector to evaluate the advantage of the DMB ionic liquid. The selective flotation behavior and separation were reflected by micro-flotation.
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Typically, the separation and recovery of chalcopyrite (CuFeS 2) and molybdenite (MoS 2), the major Cu and Mo minerals, respectively, in PCDs are achieved by two-step flotation involving (1) bulk ...
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Salah satu perusahaan tambang terkemuka di dunia, PT Freeport Indonesia melakukan eksplorasi, menambang, dan memproses bijih yang mengandung tembaga, emas, dan perak di daerah dataran tinggi di Kabupaten Mimika, Provinsi Papua, Indonesia. ... Flotation is a separation process to produce copper-gold concentrate. Concentrate slurry consisting of ...
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A novel hammer-like amidoxime surfactant, 3-dodecylamine propyl amidoxime (DPA), is synthesized by incorporating an amidoxime group into the molecular structure of DDA. In the reverse flotation separation of apatite and quartz, DPA demonstrates an improved adsorption capacity for quartz and a superior selectivity compared to DDA [49].
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China Floatation Separation Machine wholesale - Select 2024 high quality Floatation Separation Machine products in best price from certified Chinese Mining Equipment manufacturers, Mineral Processing suppliers, wholesalers and factory on Made-in-China
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Also, the cell flotation experiments indicate the increase of separation efficiency and selectivity index of ilmenite flotation from 8.37 % to 42.04 % and 1.18 to 2.6, respectively through the ...
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Batu Hijau in Indonesia used seawater to process gold-rich porphyry copper ore ... This provides guidance for the flotation separation of apatite and illite in seawater, but the seawater composition is complex and different electrolytes have different effects. Up to now, there is no systematic study of the effect of electrolyte solutions in ...
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To achieve the flotation separation of chalcopyrite from galena, a novel organic fenugreek gum (FG) with high water solubility was introduced as a galena depressant in this work. The effect of FG ...
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Flotation is a separation method for different mineral particles in slurry based on the varying hydrophobicities of different mineral surfaces (Cao et al., 2022a, Gong et al., 2024, Han et al., 2023, Nazari et al., 2019).Flotation reagents, such as collectors, are commonly employed to enhance the contrast in hydrophobicity between different mineral surfaces (Guo …
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Flotation separation is a process used in many industries to separate one constituent from another. Dispersed air flotation is commonly found in mineral processing (mineral flotation) and paper recycling (flotation deinking). In these processes, bubbles are formed by mechanical agitation or sparger air injection and chemicals (i.e., frothers ...
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Request PDF | On Sep 29, 2017, Robert K. Prud'homme and others published s in Mineral Flotation and Separation Processes | Find, read and cite all the research you need on ResearchGate
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Copper oxide minerals are important copper resources, which include malachite, azurite, chrysocolla, cuprite, etc. Flotation is the most widely used method for the enrichment of copper oxide ...
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Air was then injected, initiating the flotation. The flotation lasted for 3 minutes, during which the scraping frequency, air flowrate, and impeller speed were maintained at 15 r/min, 0.15 m 3 /min, and 2000 r/min, respectively. After flotation, the yield, concentrate vitrinite content, and vitrinite recovery were determined.
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PT Freeport Indonesia (PTFI) uses an adapted machine vision based control system in the rougher flotation circuit. PTFI uses VisioFroth, a machine vision system developed by Minerals.
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In recent years, froth flotation is still the most widely used and the cheapest technology for sulfide mineral processing. In froth flotation, the effective separation of different minerals is usually achieved by adjusting the behavior of bubbles and reagents (Zhong et al., 2021; Feng et al., 2021).In minerals engineering, talc is one of the most difficult gangue to …
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Installation of flash flotation in the copper concentrator of Freeport Indonesia in late 1986 and 1987 increased gold recovery by about 13%, while also increasing concentrator …
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The flotation separation performance of reagents mainly depends on the difference of hydrophobicity between mineral surfaces. ... Meanwhile, it can also be seen from Fig. 12 that the net charge of the DTDAB + head group is 0.621 e less than 0.981 e of DTAB+. Thus, in the flotation experiment, DTDAB exhibited a better collecting capacity for ...
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Reverso Context: In sulfide flotation, CMC can significantly enhance the wettability of talc granule and realize flotation separation of sulfide ore and talc.,-"In sulfide flotation"
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The separation of Cu//2S and Ni//3S//2 is carried out industrially in the Inco separation process, the former being selectively floated with the use of diphenylguanidine; however, other than the ...
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Alum was shown to be capable of acting as a collector in this type of waste separation. The results showed that flotation using electrolysis could be an effective method for reducing turbidity, color and TSS. ... Universitas Indonesia, Kampus UI Depok, Depok 16424, Indonesia: Nurrohman Nurrohman: Department of Mechanical Engineering, Faculty of ...
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Froth flotation is a highly effective technique for mineral separation, which involves the addition of collectors to promote hydrophobic interactions between minerals and collectors, thereby improving the efficiency of mineral separation [8], [9], [10].Xanthates are the major collectors utilized for the recovery of chalcopyrite owing to their superior collecting ability and …
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In this study beneficiation of a sulphide ore from the Gumushane-Black Sea Region of Turkey was investigated. Detailed flotation studies were carried out with the ore sample which contained 2.95% ...
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1. Introduction. Barite is a non-metallic mineral with barium sulfate as the main component [1], [2], [3].It is widely used in oil and gas drilling mud weighting agent, preparation of barium-containing chemical products and barium alloys due to its excellent properties such as insoluble in water, acid, non-toxicity, absorption of X-rays and Y-rays, and stable properties …
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Rougher flotation was first conducted at ca. pH 9 to separate calcite minerals, followed by first cleaner flotation over a pH range of 6.3-8.0 to find the maximum separation point of calcite ...
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The flotation separation of fluorite and calcite poses a long-standing challenge in the mineral processing industry because of their similar physicochemical characteristics. In this study, the ...
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Recently, the development of mixed anionic/cationic collectors in the flotation separation of lithium-containing ores has become a research focus [28], [29].The synergistic effect of mixed anionic/cationic collectors can improve the floatability of target minerals [30], [31], [32], and the flotation separation of lepidolite and quartz could be realized at neutral pH [16].
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Batu Hijau in Indonesia used seawater to process gold-rich porphyry copper ore ... This provides guidance for the flotation separation of apatite and illite in seawater, but the …
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Abstract. PT Freeport Indonesia (PTFI) uses an adapted machine vision based control system in the rougher flotation circuit. PTFI uses VisioFroth, a machine vision system developed by Minerals. Cameras in individual rougher cells measure froth velocity to …
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Salah satu perusahaan tambang terkemuka di dunia, PT Freeport Indonesia melakukan eksplorasi, menambang, dan memproses bijih yang mengandung tembaga, emas, dan perak di daerah dataran tinggi di Kabupaten Mimika, …
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of copper and lead - separation of copper and lead - zinc flotation from tailings", a flotation test to a polymetallic ore was carrried out [5] . The final products with the recovery of 73.21% Cu ...
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The selective depression mechanism of GA in the flotation separation of apatite from dolomite was investigated using various techniques, including zeta potential, contact angle, UV-vis, FTIR, XPS, ToF-SIMS, and AFM analyses. The results demonstrated that GA increased the hydrophilicity of the dolomite surface and impeded the adsorption of NaOL ...
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Freeport Indonesia Smelter is designed to have the largest copper concentrate processing capacity in the world. The results of this smelter processing will be added to the processing capacity of the operating smelter, PT Smelting …
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Flotation was first performed in 1860 (Arbiter, 2000) and is a technology that utilizes the differences in physicochemical properties of various mineral surfaces to achieve …
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Many studies have also aimed to solve the fine-particle flotation problem by exploiting microbubble flotation equipment; for instance, the Reflux™ Flotation Cell was used to recover and clean ...
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