![]() It is important that this small fraction can be representative as possible of the ore body. The success of this is sometimes complex due to many decisions can create an impact in the economy of the project. Gold operations are not a trivial exercise and the investment is influenced by the quality of material sampled for assays and metallurgical tests. Special operations have sophisticated instruments dedicated to control and give more realistic information about the process. In this way, improvements in the understanding of the processes have developed better equipments, efficiency and productivity. ![]() Sometime, the selection, design and operation of any process are complex and needs a special study. Separation, concentration and leaching processes involve several operations such as screening, classification, solid-liquid separations, gravimetry, flotation, and pregnant liquid solution treatment. In this part, a reliable sampling representing the ore is a key aspect. ![]() To quantify recovery is a reasonable idea of the initial ore required to have an economical operation. ![]() Perhaps, one of the greatest challenges in the gold mining industry is to produce high grade concentrates consistently at maximum recovery from the mineralized deposit. Joining together these units make possible to develop an appropriate flowsheet whose objective is to recover gold and the precious metals present in the ore. This part treats the strategy of beneficiation as a combination of several processes. Considering the different gold minerals present alone or combined with the host rock, it will be necessary to discharge the unwanted material in order to increase the concentration of gold in an economically manner. ![]()
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