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froth flotation composition

Froth flotation process and collector composition ...

A collector composition for use in concentrating metallic mineral ores by froth flotation which comprises a mixture of a mercaptan and an emulsifying or wetting agent adapted to improve the dispersion of the mercaptan into the pulp, and a froth flotation method for concentrating metallic mineral ores wherein the above collector composition is employed as the collector, are disclosed herein.

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Novel collector composition for froth flotation - The Dow ...

The composition of claim 2 wherein the ratio of organic sulfide to the alkyl thiocarbamate, thionocarbamate, thiophosphate or mixtures thereof is such that the composition is an effective collector for metal-containing sulfide minerals and sulfidized metal-containing oxide minerals in a froth flotation

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Collector compositions for the froth flotation of mineral ...

A collector composition useful for the recovery of metal values from metal ores in a froth flotation process comprises two collectors. One collector is an organic compound containing at least 4 carbon atoms and one or more monosulfide units, wherein the carbon atoms to which the sulfur atoms are bound are aliphatic or cycloaliphatic carbons.

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US3265211A - Froth flotation with an amine composition ...

US3265211A US288876A US28887663A US3265211A US 3265211 A US3265211 A US 3265211A US 288876 A US288876 A US 288876A US 28887663 A US28887663 A US 28887663A US 3265211 A US3265211 A US 3265211A Authority US United States Prior art keywords flotation amine gilsonite froth ore Prior art date 1963-06-19 Legal status (The legal status is an assumption and is not a legal

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COMPOSITIONS AND METHODS FOR REVERSE FROTH

In froth flotation, a sparge composition is sparged to form a froth layer and an underflow. In a direct froth flotation, the froth layer comprises a concentrated beneficiary (a concentrate), and the underflow comprises tailings (concentrated gangue). In reverse froth flotation, the froth layer comprises tailings and the underflow comprises a ...

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Flotation Froth - an overview ScienceDirect Topics

If required by the ash composition, froth flotation is a well-established technique that can be effective for separating carbon char from fly ash. Froth flotation is used for processing many types of ores, including cleaning coal fines (Harris Wheelock, 2008). The process is

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1 Froth Flotation – Fundamental Principles

2009-8-27  1 Froth Flotation – Fundamental Principles Froth flotation is a highly versatile method for physically separating particles based on differences in the ability of air bubbles to selectively adhere to specific mineral surfaces in a mineral/water slurry. The particles with attached air bubbles are then carried to the surface and

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WO2006086443A2 - Process and composition for froth ...

A method for conducting froth flotation using a collector which is primarily hydrocarbon in nature or is a mixture of hydrocarbons with certain oxygenates, the collectors being substantially free of polynuclear aromatics, sulfur and nitrogen.

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US7007805B2 - Hydroxamate composition and method for

The invention relates to a hydroxamate composition for collection of minerals by froth flotation, the composition including an aqueous mixture of hydroxamate wherein the pH of the composition is at least 11 and a method of collecting mineral values from an aqueous ore slurry by froth flotation.

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Study of pyrochlore matrix composition effects on froth ...

2012-4-1  The froth at this stage not only contains pyrochlore but also some sulphides, such as pyrite and pyrrhotite, which are removed by reverse flotation in the next processing stage (Burks, 1958, Shapolov and Polkin, 1958, Zakharov et al., 1967, Razvozzhaev and Nikiforov, 1972, Bogdanov et al., 1973, Abeidu, 1974, Raby and Desrochers, 1975, Wilson ...

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A MODEL FOR THE EVALUATION OF THE COMPOSITION

2010-9-23  A MODEL FOR THE EVALUATION OF THE COMPOSITION OF THE PULP PHASE IN A FLOTATION COLUMN by A.J. BURGER Ore-dressing Division Mintek Private Bag X3015 RANDBURG. 2125 SOUTH AFRICA SYNOPSIS Bubble load is defined as the mass of floating particles that are attached to air bubbles per unit volume of air in the pulp phase

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WO2012040773A1 - Novel composition for application as

The present disclosure provides a froth flotation composition including a cycloaliphatic alcohol and a reaction product of the cycloaliphatic alcohol and propylene oxide. The froth flotation composition is especially suited for use in ore and coal flotation processes.

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Role of Characterisation in Mineral Separation by Froth ...

2011-12-1  FROTH FLOTATION : RECENT TRENDS @l/ME, JAMSHEDPUR, 1998; pp. 01-09 Role of Characterisation in Mineral Separation by Froth Flotation A. K. BISWAS The Asiatic Society, Calcutta - 700 016 ABSTRACT The paper emphasises the rationale behind characterisation in mineral separation by froth flotation. Inspite of the vital role of

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(PDF) REAGENT – ENHANCED DESTRUCTION OF

The froth flotation process for separation of mineral ores depends on the establishment of carefully controlled froth. The formation of very stable froth in the flotation circuit is a problem that ...

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CA2904557A1 - Composition and method for

The invention provides a method of enhancing the performance of a froth flotation separation of a coal slurry in a medium. The method involves: adding a composition to the coal slurry, the composition comprising a surfactant, optionally a diluent, optionally a coupling agent, and a hydrophobic reaction product which is the reaction product of unsaturated monocarboxylic and polycarboxylic acids ...

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Flotation Froth - an overview ScienceDirect Topics

If required by the ash composition, froth flotation is a well-established technique that can be effective for separating carbon char from fly ash. Froth flotation is used for processing many types of ores, including cleaning coal fines (Harris Wheelock, 2008). The process is

More

Froth Flotation - Metallurgist Mineral Processing

2016-12-19  Froth Flotation Froth flotation is one of the most versatile and flexible of all mineral separation processes. Reasonable results are fairly easy to obtain but outstanding performance from a circuit requires constant attention and good understanding of the process and ore. Some of the variables that affect the operation and

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Removal of unburned carbon from fly ash using enhanced ...

2020-1-1  The surface morphology and elemental composition of the raw fly ash and the concentrates which collected by the enhanced gravity separation and the froth flotation were investigated by a scanning electron microscope (FEI Quanta TM 250) equipped with an energy dispersive X-ray spectrometer. The high resolution SEM figure and EDX map were ...

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Flotation Froth - an overview ScienceDirect Topics

Froth flotation is a process that selectively separates materials based upon whether they are water repelling (hydrophobic) or have an affinity for water (hydrophilic). Importantly, the word flotation is also used in the literature to describe the process in density separation in which lighter microplastics float to the surface of a salt solution.

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Froth flotation separation of carbon from barium slag ...

2021-2-1  Froth flotation is a separation method based on the different surface properties of minerals (Harvey et al., 2002, Sun et al., 2009, Yalcin and Kelebek, 2011, Xia et al., 2019a). The flotation process is mainly the collision and attachment of hydrophobic particles and bubbles (Harvey et

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Study of pyrochlore matrix composition effects on froth ...

Request PDF Study of pyrochlore matrix composition effects on froth flotation by SEM-EDX Scanning electron microscopy coupled with energy dispersive X-ray spectroscopy (SEM–EDX) was used to ...

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Froth Flotation - Metallurgist Mineral Processing

2016-12-19  Froth Flotation Froth flotation is one of the most versatile and flexible of all mineral separation processes. Reasonable results are fairly easy to obtain but outstanding performance from a circuit requires constant attention and good understanding of the process and ore. Some of the variables that affect the operation and

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A Review of Flotation Physical Froth Flow Modifiers

Over the past few decades, the need to process more minerals while lowering capital costs has led to an increase in the size of flotation cells, e.g., 0.03 m3 to 1000 m3. However, this increase has created new challenges in the operation and design of industrial flotation cells, particularly in terms of froth removal, because the distance the froth must travel increases with an increase in the ...

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Material Balance in Froth Flotation Using Microsoft Excel ...

composition method. A. Laboratory method ... Froth flotation metallurgical performances are given by the following mathematical expression: Mass pull (%) is the ratio of concentrate solid mass on ...

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Role of Characterisation in Mineral Separation by Froth ...

2011-12-1  FROTH FLOTATION : RECENT TRENDS @l/ME, JAMSHEDPUR, 1998; pp. 01-09 Role of Characterisation in Mineral Separation by Froth Flotation A. K. BISWAS The Asiatic Society, Calcutta - 700 016 ABSTRACT The paper emphasises the rationale behind characterisation in mineral separation by froth flotation. Inspite of the vital role of

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Froth flotation of fluorite: A review - ScienceDirect

2021-4-1  The best pH for fluorite flotation in either pure water (collectorless flotation) or in the presence of surfactants (froth flotation) ranges from 7 to 11 [, , , ]. It was also shown that pH 9 is usually selected as the most suitable pH regardless of flotation reagents [54,55]. This pH value corresponds well to the zero charge point of fluorite.

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Froth flotation ore dressing Britannica

Froth flotation. Froth flotation, separation of minerals differing little in density but greatly in wettability by surfactants that stabilize a froth formed on the surface of an agitated suspension of the minerals in water. See flotation. This article was most recently revised and updated by Erik Gregersen, Senior Editor.

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Recent Developments and Advances in Formulations and ...

Froth flotation is a surface chemistry-based unit operation that involves the capture of hydrophobic particles by air bubbles in aqueous slurry, followed by levitation and collection in a froth layer.

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(PDF) FROTH COLLAPSE DE-AERATION METHOD FOR

The froth flotation process for separation of mineral ores depends on the establishment of carefully controlled froth. The formation of very stable froth in the flotation circuit is a problem that ...

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Modeling and optimization of froth flotation of low

2021-3-8  Alsafasfeh, Ashraf, "Modeling and optimization of froth flotation of low-grade phosphate ores: Experiments and machine learning" (2020). Doctoral Dissertations. 2948.

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