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201651 · The sequential multi-scale method is then illustrated with reference to the mineral flotation process. In this case, multi-phase CFD (computational fluid dynamics) models of large-scale cells has been complemented by micro-scale CFD simulations of bubble–particle collision, and experimental and modelling studies of the bubble–particle …
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202411 · The Concorde Cell is an enhanced pneumatic high-intensity forced-air flotation type of technology. Unlike agitated flotation, pneumatic flotation involves mixing the air and the pulp in a continuous stream, thereby separating contact and froth treatment zones. The Concorde Cell is a technology which produces fine air bubbles with high …
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2019121 · The flow field, gas dispersion and solids concentration in a flotation cell fitted with an Outotec (Outokumpu) flotation mechanism have been studied using both experimental and multi-phase ...
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201991 · A lab-scale cylindrical tank of diameter ( D) and height ( H) equal to 300 mm is considered. A cylindrical shaft of diameter ( ds) equal to 20 mm ( D /15) supports the impeller. A schematic of the flotation cell used in the CFD simulations with all the relevant design parameters is shown in Fig. 1. Four flotation impeller blade designs are used in …
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200491 · Modelling of froth transportation, as part of modelling of froth recovery, provides a scale-up procedure for flotation cell design. It can also assist in improving control of flotation operation. Mathematical models of froth velocity on the surface and froth residence time distribution in a cylindrical tank flotation cell are proposed, based on mass …
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2021101 · This study proposes an integrated multi-mode modeling method for a froth flotation cell. Three types of models are built, including a simplified kinetic model, a compensated kinetic model and an integrated multi-mode model.
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202199 · Improved kinetics for fast, high-throughput flotation The RFCTM repeatedly demonstrates a robustness to operate at extreme levels of gas flux, feed flux, and fluidisation wash water flux, an order of magnitude beyond existing flotation devices.
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202241 · Highlights • Froth flotation of fine and coarse particles is studied, focusing on cell designs. • Generating micro-bubbles, intensive turbulence, and high gas hold-up are advantages of intensified cells. • Scaling up/down procedures for the intensified cells are found unclear. • Positioning the optimum location of discussed cells in flotation circuits is …
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198781 · Abstract It is known that turbulence plays an important part in the operation of a flotation cell. Rotational speed and thus intensity of turbulence has a strong influence on the recovery and grade of concentrate of single cells and cell banks. In this investigation an expression for the turbulent fluctuation of velocity is derived based on known equations of …
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2021101 · Semantic Scholar extracted view of "An integrated multi-mode model of froth flotation cell based on fusion of flotation kinetics and froth image features" by Bei Sun et al.
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