Smelting Flotation Concentrate
In the November issue of Teniente Topics, the monthly publication of the Braden Copper Co., Chile, a member of the staff briefly outlines the development of the smelter from 1909 to the present time. Metallurgical difficulties have been many, but were overcome, in spite of being 6000 miles from the base of supplies. The plant […]
Flotation in Mineral Processing: Recovery and Efficiency
The FLOTATION PROCESS is one of the commonest methods of extracting the valuable minerals from certain classes of ores, and it is generally more efficient as regards the recovery of the minerals than any other process applicable to the treatment of similar types of ores. The metallic contents of the minerals are recovered from the […]
Why do Minerals Float
I was very much interested in reading an article by Charles T. Durell, appearing in the Mining and Scientific Press of September 18, under the caption ‘”Why do Minerals Float?’ However, I find myself unable to agree with Mr. Durell’s line of argument, and for the following reasons: In the first place I believe that […]
Gold Shaking Table
A Gold Shaking Table are basically low-capacity machines used as last step in the gold upgrading process. The shaking table is a thin film, shear flow process equipment, that separates particle grains of its feed material based on the differences in their specific gravity, density, size and shape. Mineral rich particles, from light to heavy and fine to coarse will […]
Flotation Oils
The work of the past two years at many mills in the United States, Mexico, and South America, has done much to prove the suitability of flotation processes to the recovery of the sulphide ores of copper, and to indicate the best reagents. In a general way, it may be said that oils of mineral […]
Processing Gold Ore by Flotation
APPLICATION OF FLOTATION TO GOLD ORE A flotation plant is being erected at the Falcon mine, Rhodesia, to treat ore containing gold and copper. With the exception of the Mt. Morgan, the Etheridge, and the Great Fitzroy mines, Queensland, I have not heard of the flotation process being used successfully to treat ore containing an […]
How to Improve Cyclone Separation
Good cyclone separation depends upon control of pressure drop, pulp density and apex size. The ‘pressure drop’ may vary but should not change rapidly, and is held at safe levels by keeping an adequate sump level. A falling sump level causes cavitation in the pump and reduction in feed rate; pressure drop in the cyclone […]
Crusher Operating Costs: How to Optimize and Reduce
Spending a little extra on drilling and blasting to increase fragmentation will same you multiples ore loading and hauling, then finally crushing. The Experts: SandVik Mining + Metso and Quarry Academy = all agree. The approximate running costs for crushing plants of different capacities up to 4,000 tons per day on the basis of an eight-hour crushing day are easy to […]
Hydraulics and Fluid Dynamics Tables and Charts
Handbook of Tables for Applied Engineering Science + CRC Handbook of Tables for Applied Engineering Science
Ball Mill Trunnion Bearing Lube System
On a 11’-6” x 22’-0” Ball Mill, the trunnion bearing lubrication system provides continuous low pressure flood oil for cooling and lubrication of the bearings, and high pressure oil for hydrostatic lift of the feed and discharge trunnions during start-up of the mill. System monitors including pressure switches and flow monitors are provided, along with temperature […]