Investigating flotation behavior and mechanism of modified …

The apatite ore was obtained from overflow product of Chaoyang phosphate mine. After air drying, mixing and dividing, the apatite ore was kept in self-sealing bags as the sample of flotation …

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New insights into the influence of mineral surface transformation …

The flow diagram of the micro-flotation tests are demonstrated in Fig. 3. The flotation temperature was maintained at 25 °C. ... The influence of anhydrite on apatite flotation …

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Effects of sulfation on the flotation capacity of oleic acid in the

Commonly, reverse flotation flow is employed to separate apatite from dolomite, in which the apatite is depressed by sulfuric acid (H 2 SO 4) and the dolomite is floated by fatty …

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Flotation of fine apatitic ore using microbubbles

Conventional flotation devices can be inefficient to selectively recovery fine particles. The effect of process variables on the performance of dissolved air flotation of apatite …

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Intensification of fine apatite flotation with microbubble generation

Microbubbles have received great interest in the flotation of fine particles. A membrane distributor is developed to generate microbubbles for the flotation of fine apatite …

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Intensification of fine apatite flotation with microbubble generation

In this work, a novel membrane distributor in a flotation column is developed to generate microbubbles for the flotation of fine apatite particles. A large number of …

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Surface Electrical Behaviors of Apatite, Dolomite, Quartz, and

Key Laboratory for Green Chemical Process of Ministry of Education, Wuhan Institute of Technology, Wuhan, China; The phosphate ore flotation is achieved through the …

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The flotation of apatite and calcite using different reagents: A

In this study, the direct flotation of pure samples of apatite and calcite was studied using a micro flotation system. Fatty acid collectors were confirmed to be highly effective for the flotation of …

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Role of the network structure of illite in apatite flotation

The formation of the network structures of clay minerals plays a dominant part in the flow behaviour of pulp (Ndlovu et al., 2011; Rand and Melton, 1977). ... The above results also …

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Novel Surfactants to Enhance Collectors for the Direct Flotation of Apatite

Rougher flotation feed was collected. After analysis of the feed, it was found to contain 7.19% P 2 O 5 and 77.13% acid insolubles (insol) (Fig. 2).This plant generally focuses …

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Yefei LIU | Dr. rer.nat. | Nanjing Tech University, …

A membrane distributor is developed to generate microbubbles for the flotation of fine apatite particles. Massive microbubbles are continuously formed under the shear flow in the membrane tube.

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Review of the reagents used in the direct flotation of phosphate ores

Beneficiation of low-grade phosphate deposits through direct froth flotation has captured more attention to satisfy the future needs of phosphorous industry. This is owing to the excessive …

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Recovery of apatite from flotation tailings

Combinations of two different types of collectors, reagent dosages, air flow rate, recycle flow rate and conditioning times are analyzed from experiments carried out in a …

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Nanobubble-Assisted Flotation of Apatite Tailings: …

This work evaluated the influence of nanobubbles (150-200 nm, mean diam.) on the visual adhesion of microbubbles (70 μm mean diam.) and macrobubbles (1 mm mean diam.) onto selected mineral particles (quartz and …

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Production of a Phosphate Concentrate from the Tailings of a …

Apatite is the main source of phosphorous for the making of chemical fertilizers. While apatite is usually recovered from phosphate orebodies as the primary product of a …

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Flotation study of a fine grained carbonaceous sedimentary …

All minerals apatite (Ca10(PO4)6F2), dolomite (CaMg(CO3)2) and calcite (CaCO3) have similar cations (Ca2+)[4]. Apatite, dolomite and calcite minerals are sparingly soluble in aqueous …

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Particle size distribution of the apatite sample.

Extensive flotation testwork was conducted to optimise the hydrodynamic parameters, i.e., bed level, air and water flow rates, in the flotation of coarse PGM feed using Hydrofloat.

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Schematic flowsheet for the apatite concentration from (a) the …

On the other hand, Matiolo et al. (2019) showed that with the same columns used in this study for the flotation of apatite ultrafines, the column equipped with a cavitation tube showed an apatite ...

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The suggested ore processing flowsheet of Keliber Oy's …

Since the aim was to continue processing after grinding only until the preflotation stage with reverse flotation of apatite, the liberation results for apatite in various fractions are presented ...

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Investigating flotation behavior and mechanism of modified …

Abstract: In order to enhance the separation floatation of apatite ore, one mineral oil (MO), a petroleum base oil, as a raw material was modified to obtain a novel high-efficiency collector. …

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Recovery of apatite from flotation tailings

Flotation of apatite is complicated, owing to its physicochemical similarity with other minerals in phosphate ores. ... Conditions: concentration of solids in conditioning stage = 60%; …

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Multiscale Flotation Testing for the Recovery of REE …

On the other hand, apatite flotation is commonly performed using either fatty acids like oleic acid [21,22] and sodium oleate ... SPX FLOW, Charlotte, NC, USA). The homogenized liquid was further diluted by deionized …

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Calcite-Apatite Flotation

Calcite Flotation The effects of apatite and calcite supernatants on calcite flotation is to depress the flotation markedly in the neutral to alkaline pH (pH < 13) range. A comparison of the effects …

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Apatite Flotation Flow

Based on the research in Section 3.1 of this paper, flotation models of apatite were proposed prior to and following agglomeration, as depicted in Fig. 13. Fig. 13 (a) is direct flotation, Fig. 13 (b) …

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Efficient flotation separation approach of apatite from calcite for

The flotation process initiated with the injection of air with flow rate of 0,2 L/min and continued for 4 min until the becomes uncharged (Fig. 1 e). The recovered and the …

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Bioflotation of apatite and quartz: Particle size effect on

3. Results and discussion 3.1 Flotation studies. The microflotation studies were carried out in order to evaluate the effect of the mineral particle size and pH on the bioflotation …

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Recovery of apatite from flotation tailings

Flotation of apatite is complicated, owing to its physicochemical similarity with other minerals in phosphate ores. Despite this, relatively few studies have been done on the effect of operating parameters, such as the mode of milling, pulp …

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Mining and Beneficiation of Phosphate Ore

Each flow sheet is to be designed after thorough characterization and testing of a representative sample of the exploited ore. Igneous and metamorphic phosphate ... Ataíde …

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Phosphate Ore Processing Plant | Flotation + Magnetic …

Flotation is the most important beneficiation method for apatite. According to the different properties of phosphate ore, Zhengkuang Machinery designs the following process flows: …

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Nanobubble-Assisted Flotation of Apatite Tailings: Insights on

The results indicated that nanobubble flotation of the as-received apatite tailings (−850 μm) was an attractive option that can minimize the CO 2 footprint of mineral processing …

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Selectivity in phosphate column flotation

The objective of this work was the study of the selectivity of apatite flotation in a column by means of kinetic analysis. The recovery and apatite content in the concentrate were …

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Suspension of apatite particles in a self­ aerated Denver …

and also by the velocity of the radiaL water flow discharged by the impeller (V) divided by the particle terminal settling velocity (VsY- This way, the status of the suspension of apatite …

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Influence of bubble size on performance of apatite flotation of

The aim of this study was to investigate the influence of bubble size on the flotation performance of apatite of a low-grade phosphate ore for different particle sizes: fine (d32 = …

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Nanobubble-Assisted Flotation of Apatite Tailings: Insights on

The application of nanobubbles through flotation of coarse apatite tailings evidently improved the process' metallurgical responses compared to flotation by conventional bubbles …

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Influence of particle size and reagent dosage on the performance …

The flotation tests were carried out in an acrylic batch flotation column 1.48 m long, with 40 mm internal diameter (Fig. 2). The pulp was fed into the top of the column, whose …

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Selectivity in phosphate column flotation

The objective of this work was the study of the selectivity of apatite flotation in a column by means of kinetic analysis.The recovery and apatite content in the concentrate were …

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Flotation of fine apatitic ore using microbubbles

A statistical analysis was performed to quantify the effects of pulp pH, wash water flow rate, circulating load flow rate, initial solid concentration, circulating load addition point …

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(Ebook) Handbook of flotation reagents.

(Ebook) Handbook of flotation reagents. Volume 3 : chemistry, theory and practice : flotation of industrial minerals by Srdjan M Bulatovic ISBN 9780080932101, 9780444530837, …

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Selective flotation of apatite from micaceous minerals using patauá

Selective flotation of apatite from micaceous minerals using patauá palm tree oil collector. ... (N 2) gas was purged through the tube at a flow rate of 40 cm 3 /min and flotation …

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Recovery of apatite from flotation tailings

Recovery of apatite from flotation tailings. Michelly dos Santos Oliveira. 2011, Separation and Purification Technology. See full PDF download Download PDF. Related papers. Alternative …

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