BINQ Mining > Mining News > control parameters for gold vat leaching process; Print. control parameters for gold vat leaching process. Posted at:December 1, 2012[ 1357 Ratings] ... agglomeration control for heap leaching process – OneMine ...
Heap leaching is a low capital cost alternative to conventional processing techniques for gold recovery from areas that contain small gold particles in a porous host rock. For successful heap leaching the ores to be leached must maintain good permeability after being stacked into heaps so that the leach solutions can percolate evenly through them.
Picture 4: Color test to confirm presence of gold In vat leaching typically a coarser material is placed in the vat for leaching, this reduces the cost of size reduction. Vats usually do not contain much internal equipment, such as agitators, baffles hence aeration is limited and therefore oxygen which is important for gold dissolution.
necessitated agglomeration with cement to provide a competent heap leach feed. A series of tests was conducted on the 25mm sample at cement dosage rates of 6kg/tonne feed, 12kg/tonne feed and 18kg/tonne feed to assess ease of agglomeration, particle stability and percolation characteristics in a column of approximately 400mm height.
Heap leaching a stack of gold MiningFeeds. The agglomeration drum is the start of the heap leach stacking process, which ends at the leaching pad, says Theo Winterbach, mechanical and materials handling manager at Senet.
In the case of gold recovery, heap leaching generally requires 60 to 90 days to leach the ore, compared to the 24 hours required by a conventional agitated leach process.
"The agglomeration drum is the start of the heap leach stacking process, which ends at the leaching pad," says Theo Winterbach, mechanical and materials handling manager at Senet.
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Continuous Vat Leaching; combining the efficiency of agitated tank leaching with the simplicity of heap leaching, Continuous Vat Leaching is revolutionizing the mineral processing industry. A no compromise solution to traditional leaching methods.
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"The agglomeration drum is the start of the heap leach stacking process, which ends at the leaching pad," says Theo Winterbach, mechanical and materials handling manager at Senet. From the agglomeration drum, the material is transferred via an intricate conveyor system to the heap leach pad.
Process. In recent years, the addition of an agglomeration drum has improved on the heap leaching process by allowing for a more efficient leach. The rotary drum agglomerator, such as the tyre driven Sepro Agglomeration Drum works by taking the crushed ore fines and agglomerating them into more uniform particles.
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