Search results
Results from the WOW.Com Content Network
Froth flotation to separate plastics, Argonne National Laboratory Froth flotation cells to concentrate copper and nickel sulfide minerals, Falconbridge, Ontario. Froth flotation is a process for separating minerals from gangue by exploiting differences in their hydrophobicity. Hydrophobicity differences between valuable minerals and waste ...
Copper-sulfide-loaded air bubbles on a Jameson Cell at the flotation plant of the Prominent Hill mine in South Australia. The Jameson Cell is a high-intensity froth flotation cell that was invented by Laureate Professor Graeme Jameson of the University of Newcastle (Australia) and developed in conjunction with Mount Isa Mines Limited ("MIM", a subsidiary of MIM Holdings Limited and now part of ...
It is based on the froth flotation mineral separation process, first invented in 1905. [3] [4] [5] In the coal industry alone, Jameson's cell has retrieved A$ 36 billion worth of export coal particles. [2] It is being used worldwide in the separation of coal, copper, lead, nickel, platinum, silver and zinc. [3]
Froth flotation cells used to concentrate copper and nickel sulfide minerals. Froth flotation is an important concentration process. This process can be used to separate any two different particles and operated by the surface chemistry of the particles. In flotation, bubbles are introduced into a pulp and the bubbles rise through the pulp. [19]
Froth flotation – Process for selectively separating of hydrophobic materials from hydrophilic Sediment transport – Movement of solid particles, typically by gravity and fluid entrainment Tyndall effect – Scattering of light by tiny particles in a colloidal suspension
Oilsand froth is difficult to pump at very low speeds and at low temperatures. However above a certain speed in a steel pipe, water may separate and form a lubrication layer. The process is called self-lubrication and depending on the temperature (25 C - 45 C), the friction losses are between 10 and 20 times the equivalent friction losses of water.
And in 1923, Minerals Separation staff chemists in the San Francisco office, Cornelius Keller and Carl Lewis under director Edward H. Nutter, perfected the use of chemical xanthates, replacing the use of oil and easing the workings in the froth cells. The firm moved into research for the use of flotation in nonmetals as well, such as potash.
Carrie Jane Everson (born Rebecca Jane Billings; 27 August 1842–3 November 1914) was an American who invented and patented processes for extracting valuable minerals from ore using froth floatation. [1] The Mining Journal noted in 1916 that "as a metallurgist she was a quarter of a century in advance of her profession." [2]