Copper mineral leaching mathematical models—a review
Mineral leaching is the key unit operation in metallurgical processes and corresponds to the
dissolution of metals. The study of leaching is carried out in many areas, such as geology …
dissolution of metals. The study of leaching is carried out in many areas, such as geology …
Three-dimensional characterisation of pore networks and fluid flow in segregated heaps in the presence of crushed ore and agglomerates
L Wang, X Zhang, S Yin, X Zhang, P Liu, I Ilankoon - Hydrometallurgy, 2023 - Elsevier
Due to the differences in ore feeds and stacking procedures, segregated pore networks are
commonly observed in industrial heap leaching operations, which strongly affect the pore …
commonly observed in industrial heap leaching operations, which strongly affect the pore …
Reactive fluid flow (RFF), its hydrodynamic modeling and process controlling in cleaner production of copper sulfides bioleaching
As one of key cleaner production methods, heap bioleaching of copper relies on leaching
solution to extract valuable copper ions from agglomerations, crushed ores, waste rocks of …
solution to extract valuable copper ions from agglomerations, crushed ores, waste rocks of …
Preferential flow behaviour in unsaturated packed beds and heaps: Incorporating into a CFD model
Heap leach stockpiles inevitably contain local voidage heterogeneities due to non-uniform
particle size distributions of the ore and other factors that lead to preferential flow paths and …
particle size distributions of the ore and other factors that lead to preferential flow paths and …
[HTML][HTML] Comprehensive study of filtration properties of pelletized sandy clay ores and filtration modes in the heap leaching stack
MA Marinin, MA Karasev, GB Pospehov… - Записки Горного …, 2023 - cyberleninka.ru
There are the results of a study of the factors determining the formation and changes in the
filtration properties of a heap leaching stack formed from pelletized poor sandy-clay ores. An …
filtration properties of a heap leaching stack formed from pelletized poor sandy-clay ores. An …
Models for apparent reaction kinetics in heap leaching: A new semi-empirical approach and its comparison to shrinking core and other particle-scale models
Particle-scale effects are critically important to the performance of heap leaching operations.
In a heap-scale simulation, the transport of fluid phases and reactive species external to the …
In a heap-scale simulation, the transport of fluid phases and reactive species external to the …
Effect of ore size and heap porosity on capillary process inside leaching heap
S Yin, L Wang, C Xun, A Wu - Transactions of Nonferrous Metals Society of …, 2016 - Elsevier
The capillary process coexists with gravity flow within leaching heap due to the dual-porosity
structure. Capillary rise is responsible for the mineral dissolution in fine particle zones and …
structure. Capillary rise is responsible for the mineral dissolution in fine particle zones and …
Heap leaching: Modelling and forecasting using CFD technology
Heap leach operations typically employ some form of modelling and forecasting tools to
predict cash flow margins and project viability. However, these vary from simple …
predict cash flow margins and project viability. However, these vary from simple …
Modeling the hydrodynamics of heap leaching in sub-zero temperatures
Heap leaching involves the application of a leach solution onto stacked low grade ores.
Solution percolates through the ore, dissolving metals from various minerals, and is …
Solution percolates through the ore, dissolving metals from various minerals, and is …
Coupled DEM-LBM simulation of saturated flow velocity characteristics in column leaching
Heap leaching is a process extensively used by the mining industry to recover valuable
metals from low-grade ores. However, the flow of the solution in a heap leaching system is …
metals from low-grade ores. However, the flow of the solution in a heap leaching system is …