The two-fluid (Euler–Euler) model and large-eddy simulation are used to compute the turbulent two-phase flow of air water in a cyclonic flotation device known as an Air-Sparged Hydrocyclone (ASH). In operation ASH, is injected through porous cylindrical wall. study considers 48 mm diameter hydrocyclone uses block-structured fine mesh 10.5 million hexagonal elements. air-to-water injection ratio...

The increasing complexity in particle science and technology requires the ability to deal with multidimensional property distributions. We present theoretical background for fractionations by transferring concepts known from one dimensional higher separations. Particles fluids are separated acting forces or velocities, which commonly induces external fields, e.g., gravitational, centrifugal ele...

Increasingly, there are severe environmental controls in the mining industry. Because of lack of technological advances, waste management practices are severely limited. Most of the wastes in the milling industrial effluents are known to contain cyanides and it is recognized that after extraction and recovery of precious metals, substantial amounts of cyanide are delivered to tailings ponds. Th...

This article is a feasibility study on using fluorescence-based oil-in-water (OiW) monitors for on-line dynamic efficiency measurement of a deoiling hydrocyclone. Dynamic measurements are crucial in the design and validation of dynamic models of the hydrocyclones, and to our knowledge, no dynamic OiW analysis of hydrocyclones has been carried out. Previous studies have extensively studied the s...