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 ...
Gaudin (left) with Professor Douglas W Fuerstenau in Berkeley in June 1965, one year before his retirement from MIT. Antoine Marc Gaudin (August 8, 1900 – August 23, 1974) was a metallurgist who laid the foundation for understanding the scientific principles of the froth flotation process in the minerals industry.
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]
These resulted in high losses of copper. Consequently, the development of the froth flotation process was a major step forward in mineral processing. [12] The modern froth flotation process was independently invented in the early 1900s in Australia by C.V Potter and around the same time by G. D. Delprat. [13]
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 ...
There are two methods of smelting zinc: the pyrometallurgical process and the electrolysis process. [2] Both methods are still used. [2] [4] Both of these processes share the same first step: roasting. The top path is the pyrometallurgical process of smelting zinc and the bottom path is the electrolytic process.
Essentially, reagents are used to make the copper water-repellent, thus the Cu is able to concentrate in a flotation cell by floating on air bubbles. In contrast to the 0.5–2% copper in chalcopyrite ore, froth flotation results in a concentrate containing about 30% copper. [23] The concentrate then undergoes a process called matte smelting.
The ore is comminuted and the cobalt rich oxides are separated by froth flotation. The cobalt-bearing concentrate is then mixed with lime and coal, and then melted in a reducing atmosphere. Iron and lighter impurities float to the surface as solid dross or are expelled from the melt as gas.