Feature papers represent the most advanced research with significant potential for high impact in the field. A Feature Paper should be a substantial original Article that involves several techniques or approaches, provides an outlook for future research directions and describes possible research applications.
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The mixed mineral flotation tests were carried out in the same flotation machine with a 70-mL cell. The mineral suspension was prepared by adding 5.0 g of minerals to 70 mL of solution with a certain pH value. The agitation and flotation time were also 2 min and 4 min, respectively. ... The flotation recovery of barite was the highest, and that ...
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The gangue minerals are mainly quartz and calcite, followed by pyrite, gypsum, barite, clay minerals, etc. ... Take 4 g of sample into the flotation cell for each test, add 40 mL of deionized ...
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KEYWORDS: Barite ore, Froth flotation, Specific gravity, Beneficiation, pH, Jigging. ... flotation cell. The concentration of the reagent in the pulp affects the recovery process, and for best recovery, 0.010 moles/litre was used (Achusim-Udenko et al., 2011). The impeller was lowered gently into the cell and stirred for five ...
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The flotation of bastnaesite, as a major mineral source of rare earth elements, attracting much attention in the mineral processing field, is challenging owing to the natural flotability of calcium-bearing minerals. To promote the application of flotation, we systematically investigated the flotation behavior of bastnaesite, barite, and calcite, …
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1. Introduction. Barite with a formula of BaSO 4, is deemed to be an important raw materials of non-metal mineral which has been used in a wide range of …
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In the past few decades, several kinds of inhibitors have been studied in the flotation separation of fluorite and barite. Specifically, citric acid was found to strongly depress the fluorite flotation, while it showed little influence on the barite flotation, resulting in the selective separation of barite from fluorite (Liu et al., 2020).
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Fluorite is an important industrial mineral composed of calcium and fluorine (CaF2). This mineral is widely distributed through different deposits. However, in most cases, fluorite is tightly associated with gangue, such as calcite and quartz. In this paper, different depressants are tested in the flotation of fluorite in two different laboratory …
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Lignin sulfonate is used in the flotation of bastnaesite to depress barite. Common pH modifiers are potassium hydroxide and soda ash. Soda ash has a dual purpose, as a pH modifier and a depressant, ... The 10 kg flotation tests were conducted using a flotation cell at Resource Development Inc. The sample used for the tests was …
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2.4.2 Barite flotation in cell Two steps (roughing and scavenging) have been required. The roughing flotation has been carried out with petroleum sulphonate (1000 g/t) at pH 6. The sink
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Moreover, gelatinized starch presented potentially selective inhibitory effect on the barite flotation, ... (Jilin Exploration Machinery Plant, China) with a 60 mL flotation cell. All the experiments were carried out at 25 °C and the agitation rate was fixed at 1800 rpm. The pulp was prepared with 2.0 g of minerals and 40 mL of DI water adding ...
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1. Introduction. As a non-metallic mineral, fluorite is commonly appeared in industrial processes related to fluorine. It is often found with the emergence of other calcium and silicate minerals such as quartz, barite, and small amounts of pyrite [1,2].The flotation for the separation and purification of fluorite from these associated minerals is based on …
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1. Introduction. The flotation process is a separation technique primarily used in mineral processing for the recovery of minerals (Wills and Finch, 2016), that also finds application in other industrial processes such as wastewater treatment and paper recycling (Saththasivam et al., 2016, Vashisth et al., 2011).Separation of mineral particles by …
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As an important strategic non-metallic mineral resource, fluorite has been widely used in various industrial fields, such as metallurgy, optics and semiconductor manufacturing, as well as fluorine-related chemical engineering. Since the major gangue minerals of fluorite ore are silicate and carbonate ones, flotation is the main …
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2.4.4 Barite-fluorite flotation in cell In the first step (roughing flotation ), the consumptions are 100g/t and 500g/t, respectively for the collector and depressor and the …
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Consequently, the treatment of a Nassarawa State barite mineral through acidic and alkaline leaching techniques was purified using a Denver flotation cell at pH 9. At optimal conditions, a leaching efficiency of 87.6% was achieved.
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Apart from the entrainment of normal fine particles during flotation, clay minerals with a particle size normally smaller than 5 μm also undergo aggregation, generating aggregate structures which compound the entrainment problem. The aggregation behavior of clay minerals is attributed to their complex crystal structure, …
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The effect of pH on the flotation recovery of barite and calcite using SDS and NaOL as collectors was studied by micro-flotation tests, as shown in Fig. 3. It could be seen from Fig. 3 that the flotation recovery of barite with SDS increased in the pH range from 8.0 to 10.0, and at an optimum pH of approximately
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Flotation was carried out with a newly designed flotation cell refurbished from an old ultrasonic cleaning bath (2.5 L volume) equipped with a single frequency (35 kHz) and two different power ...
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Barite deposit at Mangampet is one of the world's largest deposits containing around 61 million tonnes of recoverable barite. Beneficiation of low grade …
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Barite has numerous applications including barium mud for oil well drilling, manufacture of elemental barium, filler for paper and rubber industries, and contrast material for X-ray radiology for the digestive …
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Barite was recovered up to 87% (at pH = 3) in sole-mineral flotation experiments, and flotation of the mixed sample, also, proved a successful selective separation of barite (76% recovery) from ...
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Micro-flotation experiments confirm that the flotability of bastnaesite is high at pH 6.5–8.5, while calcite floats at pH 8.0–9.5, and barite has little flotation response.
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Moreover, barite minerals are used to view cancerous cells in colonoscopy due to their adsorption properties of X-rays and gamma rays (Deniz, 2012; Deniz & Guler, ... Therefore, barite flotation with fatty acids is almost impossible without a depressant from a barite ore containing calcite minerals (Feng et al., 2015). In addition to them ...
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In the process of separating fluorite and barite through flotation, starch can be effectively employed as a barite inhibitor, with α-BLA serving as the collector to achieve efficient separation of fluorite and barite. ... Assessment of pH-responsive nanoparticles performance on laboratory column flotation cell applying a real ore feed. Int. J ...
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Calcite's surface usually dissolves faster than other companion minerals, and its surface will be covered by CaSO 4. 2 H 2 O layer. At high pH > 11.5, the calcite solubility was low; however, the Ca 2 + and CaHCO 3− concentration will be increased in the solution by decreasing the pH (Fig. 2) [15].At pH above 13, the CaOH + is the dominant species …
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Barite, a mineral composed of barium sulfate (BaSO4), is brittle with large tubular crystals.Barite beneficiation aims to remove impurities and improve the properties of barite for its intended applications. There are generally gravity separation, magnetic separation, and flotation for barite beneficiation.
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1. Introduction. Barite (BaSO 4) is an essential non-metallic mineral that is widely used in oil and gas drilling, chemical engineering, metallurgy, and other industrial fields [1–3], particularly plays a vital role …
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1. Introduction. Barite (BaSO 4) is an essential non-metallic mineral that is widely used in oil and gas drilling, chemical engineering, metallurgy, and other industrial fields [1–3], particularly plays a vital role as a mud weighting reagent in oil and gas drilling [4–6].As a major country in terms of barite reserves and consumption [7,8], long …
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Barite is an important barium-containing mineral with large specific gravity (4.3-4.7) and low hardness (3-3.5).Its chemical properties are stable and insoluble in water and acid. Barite powder is mainly used in petroleum, chemical, paint, filler, and other industrial sectors. 80%-90% of them are used as mud-weighting agents in oil drilling. ...
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