Continuous Versus Batch Agitation Leaching. A common problem in mill design is to determine from the experimental data obtained by batch tests the number and capacity of agitators that must be used in a continuous system in order to approximate the same degree of dissolution.
For example, conical-bottomed Pachuca tanks with single sparging points (common South African practice prior to about 1980) and flat-bottomed leach tanks with multiple sparging points, or simple down-the-agitator-shaft addition, have all been used. In a few cases, particularly when treating ores that contain oxygen-consuming minerals, pure ...
Vats usually do not contain much internal equipment, except for agitators. Tank leaching is typically continuous, while vat leaching ... Agitation is further assisted by the use of tank baffles to increase the efficiency of agitation and prevent centrifuging of slurries in circular tanks... Extraction efficiency factors. Aside from chemical
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Improving the process performance of gold cyanide leaching reactors. Typically, the carbon in pulp CIP or carbon in leach CIL process is used for gold recovery. solids content in tank leaching is kept at a high level, around 40 wt.%. cyanide leaching reactor is two downward-pumping hydrofoil impellers, liquid mass transfer in an
Typical large Agitator (26′ in diameter x 30′ deep). Note tank car in background. Modern Leaching Plant Design. For maximum space economy select the largest size leach tanks possible to minimize number of units required to provide the desired retention time.