froth flotation

n
a process for cleaning fine coal in which hydrophobic particles, generally coal, attach to air bubbles in a water medium and rise to the surface to form a froth. The hydrophilic particles, generally the ash-forming matter, remain in the water phase. D5114

ASTM D121-09a Standard Terminology of Coal and Coke. 2014.

Look at other dictionaries:

  • Froth flotation — Diagram of a cylindrical froth flotation cell with camera and light used in image analysis of the froth surface. Froth flotation is a process for selectively separating hydrophobic materials from hydrophilic. This is used in several processing… …   Wikipedia

  • froth flotation — noun : flotation in which air bubbles are introduced into a mixture of finely divided ore or other material with water and a chemical that aids attachment of the bubbles to the particles of the desired material and its recovery as a froth * * *… …   Useful english dictionary

  • froth flotation — putinė flotacija statusas T sritis chemija apibrėžtis Rūdos koncentravimas naudojant putokšlius. atitikmenys: angl. froth flotation rus. пенная флотация …   Chemijos terminų aiškinamasis žodynas

  • froth flotation —       separation of minerals differing little in density but greatly in wettability by surface active agents that stabilize a froth formed on the surface of an agitated suspension of the minerals in water. See flotation. * * * …   Universalium

  • froth flotation — /ˈfrɒθ floʊˌteɪʃən/ (say froth floh.tayshuhn) noun → flotation (def. 3) …   Australian English dictionary

  • Froth — is foam consisting of bubbles in a liquid.One common form of froth is milk froth deliberately created as part of a drink. Many Italian style coffees are made using a combination of espresso coffee, steamed milk and frothed milk. Most espresso… …   Wikipedia

  • Flotation process — is a method of separation widely used in the wastewater treatment and mineral processing industries. There are various different flotation processes. These include dissolved air flotation, Induced Gas Flotation and froth flotation.ee… …   Wikipedia

  • flotation — /floh tay sheuhn/, n. 1. an act or state of floating. 2. the launching of a commercial venture, bond issue, loan, etc. 3. Metall. a process for separating the different minerals in a mass of powdered ore based on their tendency to sink in, or… …   Universalium

  • flotation — /floʊˈteɪʃən / (say floh tayshuhn) noun 1. the act or state of floating. 2. the floating or launching of a commercial venture, a loan, etc. 3. Also, froth flotation. Metallurgy a process of separating the different minerals in a mass of powdered… …   Australian English dictionary

  • froth — n a collection of bubbles and particles on the surface of a pulp in a froth flotation cell. D5114 …   Coke&Coal Terminology

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