flotation process | Define flotation process at Dictionary.comdictionary.reference.com/browse/flotation process

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Flotation process - definition of Flotation process by The Free ...

Define Flotation process. Flotation process synonyms, Flotation process pronunciation, Flotation process translation, English dictionary definition of Flotation process. 1. A process of separating the substances contained in pulverized ore or the like by depositing the mixture on the surface of a flowing liquid, the...

Froth flotation - Wikipedia

By that time, flotation technology was changing, especially with the discovery of the use of xanthates and other reagents, which made the Callow cell and his process obsolete. Montana Tech professor Antoine Marc Gaudin defined the early period of flotation as the mechanical phase while by the late 1910s it entered the...

Flotation - Wikipedia

Flotation (also spelled floatation) involves phenomena related to the relative buoyancy of objects. The term may refer to: Flotation, any material added to the hull of a watercraft to keep the hull afloat; Flotation, the ability (as of a tire or snowshoes) to stay on the surface of soft ground or snow; Flotation process, in process...

Flotation | Define Flotation at Dictionary.com

Also called froth flotation. a process to concentrate the valuable ore in low-grade ores. The ore is ground to a powder, mixed with water containing surface-active chemicals, and vigorously aerated. The bubbles formed trap the required ore fragments and carry them to the surface froth, which is then skimmed off.

Flotation | Definition of Flotation by Merriam-Webster

Define flotation: the act, process, or state of floating; an act or instance of financing (such as an issue of stock) — flotation in a sentence.

Flotation | ore dressing | Britannica.com

Flotation: Flotation, in mineral processing, method used to separate and concentrate ores by altering their surfaces to a hydrophobic or hydrophilic condition—that is, the surfaces are either ... Many complex ore mixtures formerly of little value have become major sources of certain metals by means of the flotation process.

Flotation - Investopedia

Flotation is the process of changing a private company into a public company by issuing shares and soliciting the public to purchase them. ... Video Definition. Loading the player... A public company is a company that has issued securities through an initial public offering (IPO) and is traded on at least one stock exchange or...

Flotation Definition from Financial Times Lexicon

Definition of flotation. The listing of a company's shares on the stock market through an initial public offering (IPO). The term can also be used for the listing of a new bond or other security. Print. Add Term to Watchlist. Share...

flotation process | Infoplease

in mineral treatment and mining, process for concentrating the metal-bearing mineral in an ore . Crude ore is ground to a fine powder and mixed with water, frothing reagents, and collecting reagents. When air is blown through the mixture, mineral.

1 Froth Flotation – Fundamental Principles Flotation System

difficult to develop predictive models for froth flotation, although work is being done to develop simple models that can ... Table 1: Grade/recovery performance of a hypothetical copper ore flotation process. Product ... This means that 95.7% of the copper present in the ore was recovered in the concentrate, while the rest was...

Flotation data for the design of process plants Part 1 – testing and ...

performance. N definition of the mining method and the relationship between the ore reserve and mine production. N evaluation of mineral and water chemistry which can affect the flotation process. N completion of adequate metallurgical and process test work to allow the design of flowsheet, reagent scheme and process...

Flotation dictionary definition | flotation defined - YourDictionary

the act or condition of floating; specif., the act of beginning or financing a business, etc., as by selling an entire issue of bonds, securities, etc. the capacity to stay on the surface of soft material, as sand or snow: said of a tire on a motor vehicle; Mining a method of ore separation in which finely powdered ore is introduced into...

Flotation Process Of Gold ~ Technology Industry Of Gold Mining

Equipment used in the flotation process by using a stirred tank, and where the string of the tank is given airflow, so the gold and copper mineral concentrates will rise and ... In order for the flotation process can take place by either means of attachment of particles to air bubbles lasted until the top edge of the flotation cell, it is...

FLOTATION IN MINING ~ Technology Industry Of Gold Mining

This flotation process produces metals from ore concentrates at the mine by separating valuable minerals from impurities that cover it. This flotation process is said to have been discovered by a miner who see the process of washing machine that is used as a means of washing the dirty work clothes, and the washers that...

Definition of flotation - Chemistry Dictionary

Definition of flotation. 1) Method by which hydrophobic (water-repelling) particles of an ore are separated from hydrophilic (water-attracting) particles of a metallurgical pretreatment process. Was this definition helpful?

Mat hemat ical Modelling of the Flotation Deinking Process

From this solution, a definition of a theoretical flotation efficiency, as well ss other system performance parameters are presented. Keywords-Flotation deinking, Population balance model, Microprocess probabilities, Bubble/ particle interaction, Process efficiency. 1. INTRODUCTION: THE BASIC SEQUENCE OF EVENTS IN.

flotation (noun) definition and synonyms | Macmillan Dictionary

[countable/uncountable] business the sale of shares in a company for the first time. The firm is planning a £30 million stock market flotation. Synonyms and related words. Stocks and shares and the stock exchange:bear, bearish, bear market... Explore Thesaurus. 2. [uncountable] the ability to float, or the process of floating.

Froth flotation circuit design and basic testwork requirements | News

Froth flotation is a mineral concentration process used to recover a vast array of different minerals containing valuable commodities such as copper. ... Testwork necessary to define the design parameters for a flotation circuit generally includes: Grindability studies to establish grinding power requirements; Chemical and...

The behaviour of minerals in sulphide flotation processes ... - SAIMM

In sulphide flotation processes, there are two mechanisms by which particles are transferred from the flotation pulp to the concentrate: adhesion to air bubbles and ...... The other symbols used in this paper are defined in the text. REFERENCES. 1. WOODBURN, E. T. Mathematical modelling of flotation processes. Miner. Sci.

Gold Mining Process Development – Denver Mineral Engineers

respond well to flotation. Advantages of the flotation process are that gold values are generally liberated at a fairly coarse particle size (28 mesh) which means that ore grinding costs are minimized. The reagents used for flotation are generally not toxic, which means that tailings disposal costs are low. Flotation will frequently...

Switching and optimizing control for coal flotation process based on ...

Oct 17, 2017 ... This paper proposes a new method of switching and optimizing control for the coal flotation process. A hybrid model is built and .... In this work, we define two different control levels in automatic control of the flotation column, namely, stable control and optimizing control. The purpose of stable control is to...

Investigation of a Flotation Process with De-SXinhai and Attrition to ...

Apr 1, 2011 ... study, a flotation tailing sample obtained from a mine recovering only 40% Mo was re-floated to upgrade Cu and Mo. The sample ... Based on the experimental results, a four-stage flotation process allowed the improvement of Cu ..... attrition is a waste of energy, while more fines means more expenditure on...

Flotation Method in Archaeology - ThoughtCo

Oct 22, 2017 ... Archaeological flotation involves using water to process soil or feature fill to recover tiny artifacts; developed over 100 years ago and still in use.

Research Activities Related to Flotation Process - Trends in Green ...

University of Thessaloniki, P.O. Box: 116,. Postal code: 54124, Thessaloniki, Greece. Tel: +30-2310-997743. Research Activities Related to. Flotation Process .... pyrite requires a lower dissolved oxygen concentration to balance the anodic oxidation of xanthate to dixanthogen, which leads to its flotation. This means that.

US5876558A - Froth flotation deinking process for paper recycling ...

The phrase "conventional froth flotation processes" as used herein means froth flotation processes wherein a frothing agent is added directly to, or mixed with, a slurry or pulp suspension containing hydrophobic and hydrophilic particles to be separated by a froth flotation process prior to introducing the slurry or pulp...

Basics in Minerals Processing - Xinhai

Flotation. Magnetic separation. Leaching. Upgrading. 6. Sedimentation. Mechanical dewatering. Thermal drying. Thermal processing. Materials handling. 7 ..... Basic definitions. It is important to know the definitions of mineral, rock and ore as they represent different product values and partly different process systems.

Mineral Flotation - International Mining

Nov 1, 2011 ... Flotation has been at the heart of the mineral processing industry for over 100 years, addressing the 'sulphide' problem of the early 1900s, and .... This means that the throughput of the cleaner stage is significantly less than the throughput of the rougher stage which imparts a relatively low capital and...

flotation noun - Definition, pictures, pronunciation and usage notes ...

1(also float) [countable, uncountable] (business) the process of selling shares in a company to the public for the first time in order to raise money plans for (a) flotation on the stock exchange a stock-market flotation; 2[uncountable] the act of floating on or in water; Word Originearly 19th cent.: alteration of floatation (from float)...

Flotation Reagents - Mining Chemicals - Orica

Orica offers a broad range of flotation reagents for mineral processing, such as collectors, frothers, activators, modifiers and depressants. ... Orica offers a wide range of flotation, leaching and detoxification chemicals. ... And our local blending capability in Latin America and Australia means we can always supply: Collectors...

Flotation Synonyms, Flotation Antonyms | Thesaurus.com

Synonyms for flotation at Thesaurus.com with free online thesaurus, antonyms, and definitions. Dictionary and Word of the Day.

What is flotation? definition and meaning - BusinessDictionary.com

Definition of flotation: Offering a firm's shares for the first time to the general public, by listing them on a stock exchange.

flotation - Wiktionary

flotation (countable and uncountable, plural flotations). A state of floating, or being afloat. The ability (as of a tire or snowshoes) to stay on the surface of soft ground or snow. (mining) A process of separating minerals by agitating a mixture with water and detergents etc; selected substances being carried to the surface in air...

Froth flotation circuit design and basic testwork requirements | News

Froth flotation is a mineral concentration process used to recover a vast array of different minerals containing valuable commodities such as copper. ... Testwork necessary to define the design parameters for a flotation circuit generally includes: Grindability studies to establish grinding power requirements; Chemical and...

Model Predictive Control for Froth Flotation Plants

In real applications though, the methods are blended in one way or another. Below we give a short description of both methods. Grey Box Modelling. The approach here is to use system identification [5] to obtain a discrete time model of the flotation process. The model defined as follows: [ ] [] [] []. [] []. kCx ky. kdBkuBkAx. 1kx.

water clarification by flotation -1 - IRC

Flotation is a very effective method of solid/liquid separation which has been in use outside the water treatment field for more than half a century. Originally applied in the field of mineral processing, it now provides the means for concentrating over 95% of the world's base metals (1). In addition, it has become increasingly...

FLSmidth - Dorr-Oliver Flotation Cells

Non-clogging low maintenance design rotor. High air dispersion capability – High shear rotor–stator combination gives a wider range of airflow adjustment than competitive systems and results in greater control of the flotation process. Superior metallurgical performance – Intense recirculation in a well defined mixing zone...

Technical Notes 9 - Flotation - Mineral Technologies International,Inc.

Figure 9.1 Four states in which particles exist in a flotation cell. the pH of the slurry and the concentration of chemical collectors or frothers to define overall process behavior. Hopefully the situation will change in the future and an understanding of the surface chemistry will play its appropriate role in the development of truly...

Wastewater treatment by flotation - SciELO

The flotation process, when applied in wastewater treatment, use methods of air injection in such a way that small air bubbles (<0.1mm) should be formed. This is necessary due to the small ... The ejector dimensions and configuration were defined based on the work developed by Otake et al. (1981) who investigated the...

Improved GSO Optimized ESN Soft-Sensor Model of Flotation ...

Mar 18, 2014 ... Improved GSO Optimized ESN Soft-Sensor Model of Flotation Process Based on Multisource Heterogeneous Information Fusion ..... According to the above definitions, the element in th row and th column of the constituted GLCM represents the appearance frequency of all pixels with the and gray level in...

Entrainment of Fine Particles in Froth Flotation - UQ eSpace

drainage of entrained particles with respect to the water in the pulp and froth phases of a flotation cell. However, there ...... concentrate with the recovered valuable minerals in the flotation process greatly reduce the quality ..... It should also be noted that Equation 2-7 was derived from the definition of gangue recovery (based.

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