Apatite Floatation Process
Recovery of apatite from flotation tailings
The separation of the desired mineral (apatite) from impurities (gangue minerals) and nonphosphate materials in phosphate rock requires grinding and beneficiation units [8] for some operations such as froth flotation [9].Flotation, a physicochemical separation process that exploits the difference in the surface properties of valuable …
RU2174451C2
FIELD: mineral dressing. SUBSTANCE: pulp involves conditioning by soda, liquid glass, and industrial-grade lignosulfonates; addition of collector containing acylated amino and hydroxamic acids; and isolation of apatite into froth product. As industrial-grade lignosulfonates, concentrate from lignosulfonate membrane separation process …
Apatite flotation using pataua palm tree oil as collector
Froth flotation is the most important concentration method for beneficiating phosphate ores [2], [3].In this process, most collectors used worldwide are fatty acids obtained from vegetable species as byproduct of different industries, e.g., tall oil, a byproduct of the paper industry [4], [6].However, the investigations on alternative …
Improved Flotation Separation of Apatite from Calcite with
ABSTRACT. Apatite (Ca 10 (PO 4) 6 F 2) is the most important phosphate mineral, and flotation is the main beneficiation method to separate apatite from its …
Effect of Acidified Sodium Silicate on the Flotation …
In this work, selective flotation separation of microfine apatite and chlorite was achieved by using sodium oleate (NaOL) as a collector with a low dosage of acidified sodium silicate (ASS) as a depressant. The optimum ratio of sodium silicate to sulfuric acid for ASS was 5:3, and a good separation effect was also achieved in the mixed ore …
The Ore-Forming Process of Washan Porphyrite Iron …
Porphyrite iron deposits, located in the Middle-Lower Yangtze River Metallogenic Belt (MLYRMB) of China, are primarily associated with various types of iron ores with transitional geneses, from iron oxide apatite (IOA) to iron oxide copper–gold (IOCG) and skarn deposits [1,2,3,4,5,6,7,8,9].Their evolution process among diverse …
Effect of geological origin of apatite on reverse flotation separation
Apatites of different geological origins exhibit different floatabilities under the direct flotation process. However, the floatability of apatite from different geological origins under reverse flotation, especially in acidic environments, has not yet been reported. ... Each micro-floatation experiment was repeated three times, and the results ...
Analysis of the Effect of Surfactants on the Performance of …
Inefficient flotation can result in substantial revenue loss and the unnecessary depletion of reserves. In this context, understanding the interaction …
A review of rare earth minerals flotation: Monazite and xenotime
1. Introduction. Since the development of ion exchange and other extraction methods, rare earth elements (REEs) have been extracted commercially. The first industrial beneficiation from rare earth minerals (REMs) can be traced back to 1893 when thorium was extracted from monazite, and was used in gas lamp mantles [1].REEs are used in …
An Overview of Calcite Recovery by Flotation
A tremendous amount of research has been performed on refining the flotation process for calcite ores and designing the reagents (specifically, collectors) to increase the efficiency of the process. ... Fu E, Somasundaran P (1986) Alizarinred S as a flotation modifying agent in calcite-apatite systems. Int J Miner Process 18:287–296. …
A Collector Promoter for Apatite Flotation in the Serra do
This difference in reagent ratio is directly related to the surface tension of the bulk, making the apatite more or less hydrophobic, directly affecting the flotation performance. ... Applying 10% of L.1210 on an industrial scale, a more stable industrial process was observed to the oscillations of the processing plant, corroborating that by ...
Process and kinetics of bonelike apatite formation on …
Bioactive glasses and HA were shown in the process of apatite formation in vitro to reveal similar change of surface charge in protein-free and protein-containing electrolyte, but protein adsorption was known to delay the formation of apatite [32], [33]. In this context, the results and discussion imply inorganic aspects of interaction between ...
Apatite formation on/in hydrogel matrices using an …
The rates of apatite formation on/in PVA gels largely depended on the swelling ratios, which were approximately 0.48, 0.61, 1.28, and 1.55 mg per cycle for swelling ratios of 4.1, 10.4, 16.8, and 30.1, respectively. The apatite content in PVA-apatite composites that was obtained by this method also increased with an increase of the reaction cycles.
Method of floatation of apatite-containing ores
METHOD OF FLOTATION OF APATITES-CONTAINING ORES, including the treatment of pulp with liquid glass, conditioning with the main collector containing crude and distilled tall oil, secondary oil tar. oxidized petrolatum, technical fatty acids, and an additional collector, characterized in that, in order to improve the technological performance of flotation of …
Intensification of fine apatite flotation with microbubble …
Fig. 1 shows the experimental setup of the apatite flotation and the close-ups of the column parts. The flotation column, which is made of plexiglass, is 1.68 m in …
The application of a novel amine collector, 1
In the direct flotation separation process between apatite and quartz, anionic collectors interact with the surface Ca 2+ ions of apatite, creating chemical bonds and adsorbing on apatite surface, thereby increasing the hydrophobic characteristics of the apatite surface [15]. As a result, the apatite particles with strong surface ...
RU2164824C2
FIELD: mineral dressing. SUBSTANCE: invention, in particular, relates to flotation of high-carbonate apatite ores with elevated level of calcite and francolite. Process involves successively treating pulp with soda, liquid glass, and sulfite-alcohol dregs, and conditioning followed by flotation with collector containing acylated amino-hydroxamic acids.
The application of a novel amine collector, 1
Plant oils, which are a blend of different fatty acids, are frequently applied as a collector in the direct flotation process to separate apatite and quartz [16], [17], [18]. Pataua palm tree oil primarily consists of oleic acid, accompanied by small quantities of stearic acid, linoleic acid, and other fatty acids [19]. When pataua palm tree ...
Impact of Recirculating Mining Process Water on the …
In this study, a comprehensive water analysis of recirculated process water and its impact on Apatite recovery from a phosphate sedimentary rock is presented. ... 3.1 Bench Floatation Results . The flotation cycles were grouped to minimised inconsistencies and laboratory errors. During the flotation tests, no
Apatite magnetite beneficiation process
The invention belongs to technical field of beneficiation, a kind of apatite magnetite beneficiation process is provided, including three sections of broken process, first segment rod milling and spiral classifier is closed circuit, the sub- technique of magnetic separation, desiliconization reverse flotation, dephosphorization reverse flotation and dusting …
Reagents used in the flotation of phosphate …
In fact, tall oil was previously a common source of fatty acids for apatite flotation, but it has since been replaced by vegetable oil because of its affordability and environmental friendliness ...
Flotation Behavior and Interface Characteristics of Apatite …
The reverse flotation process is often used to enrich apatite in practice because, under acidic conditions, apatite can be depressed while dolomite presents a …
Nanobubble-Assisted Flotation of Apatite Tailings: Insights …
The application of nanobubbles through flotation of coarse apatite tailings evidently improved the process' metallurgical responses compared to flotation by …
An Overview of Calcite Recovery by Flotation
Metal sulphide/silicate impurity minerals can be removed by the froth-flotation process using amines and xanthate collectors. Alternatively, fatty acids are used as collectors to float calcium-type …
Nanobubble-Assisted Flotation of Apatite Tailings: Insights …
The application of nanobubbles through flotation of coarse apatite tailings evidently improved the process' metallurgical responses compared to flotation by conventional bubbles only. 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 ...
floatation antimony floatation process
floatation antimony floatation process T00:10:26+00:00 Flotation Process To Extract Antimony Ore. 2012/07/22 AntimonyFlotation process is the most important way to extract antimony ore antimony processing plant in lowtemperature processing a processing Froth floatation mixer Detail of froth floatation process extracting gold and antimony …
US Patent 10006102 Monazite and apatite paragenetic ore
US Patent 10006102 Monazite and apatite paragenetic ore enrichment method. Overview Structured Data Issues Contributors Activity. Contents. Is a. Patent. 0. Patent attributes. Patent Jurisdiction. United States Patent and Trademark Office. 0. Patent Number. 10006102 0. Patent Inventor Names. Chengqing Ji 0.
New insights into the influence of mineral surface …
Subsequently, apatite was activated with sodium carbonate, while the anhydrite was suppressed using CMC, Ca-SBL and H-SBL. Following these steps, apatite was recovered through the direct flotation process. The flotation process is depicted …
Process flow diagram of Chadormalu Iron ore concentrator plant.
Zhang and Muhammed [319] proposed an acid regenerating and integrated process for the treatment of apatite concentrate obtained from the acid dephosphorization of iron ore and solutions obtained ...
Calcite in froth flotation
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 …
XPS study of the process of apatite formation on bioactive Ti–6Al–4V
The calcium titanate thereafter incorporated the phosphate ions in the fluid to form an amorphous calcium phosphate, which was later crystallized into bonelike apatite. This process of apatite formation on the alloy was the same as on the pure titanium metal, because the alloy formed the sodium titanate free of Al and V by the NaOH and heat ...
Flotation separation of dolomite and apatite using …
118 Physicochem. Probl. Miner. Process., 57(6), 2021, 117-130 adsorbed on the surface of the two minerals during the flotation process (Hoang et al., 2018),which makes it difficult to separate the two minerals effectively. In addition, the localized anion dissolved on the surface of apatite and dolomite exist steric hindrance (Cao et al., 2019).
Froth floatation | PPT
2. Introduction Floatation is an extractive process where various minerals can be selectively extracted. Flotation is a selective process and can be used to achieve specific separations from complex ores. For example, in poly-metal ores such as Pb-Zn- Cu, floatation allows separate extraction of Pb, Cu and Zn.
Apatite–Calcite Flotation Separation Using …
Froth flotation is a commonly utilized beneficiation technique for effectively separating apatite from other gangue minerals, such as calcite. It is difficult to achieve good separation with fatty acid collectors …
Process mineralogy of an apatite-rich complex rare earth …
In combination of floatation and high intensity separation process, rare earth concentrate with grade of 9.24% REO and recovery of 47.72% was obtained, and the apatite concentrate contains 2.71% ...
Investigation of the depressants involved in the selective …
The whole comminution process was performed in tap water, which was in equilibrium with the atmosphere in terms of CO 3 2− ions. This suggested that the added sodium carbonate did not display a significant effect on the floatation process. On the other hand, the sodium silicate exhibited a strong negative impact on the apatite recovery.