The absorption of gold cyanide onto activated carbon. II. Application of the kinetic model to multistage absorption circuits
Nicol, M.J., Fleming, C.A. and Cromberge, G. (1984) The absorption of gold cyanide onto activated carbon. II. Application of the kinetic model to multistage absorption circuits. Journal of the South African Institute of Mining and Metallurgy, 84 (3). pp. 70-78.
A relatively simple rate equation for the kinetics of the absorption of gold from cyanide solutions onto activated carbon was used as the basis in the development of a model for multistage carbon-in-pulp and carbon-in-leach absorption circuits. The model was used in the prediction of both the steady-state and the transient behaviour of the absorption process, and the results were found to be in reasonable agreement with those observed in an extended pilot-plant campaign. A number of practical implications of the model are discussed, and an assessment is made of the economic consequences of the various process options available for the design of a carbon-in-pulp plant.
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