Measurement techniques for velocity and liquid fraction in flowing foams
This review discusses and compares different measurement techniques for liquid foam flow
experiments. Particular emphasis is put on measurements of foam velocity and liquid …
experiments. Particular emphasis is put on measurements of foam velocity and liquid …
Froth properties and entrainment in lab-scale flotation: A case of carbonaceous sedimentary phosphate ore
In flotation, the froth characteristics strongly influence the separation process as they are
linked to water recovery, bubble size, entrainment of gangue particles, flotation rate …
linked to water recovery, bubble size, entrainment of gangue particles, flotation rate …
Comparing wire-mesh sensor with neutron radiography for measurement of liquid fraction in foam
The liquid fraction of foam is an important quantity in engineering process control and
essential to interpret foam rheology. Established measurement tools for the liquid fraction of …
essential to interpret foam rheology. Established measurement tools for the liquid fraction of …
Convective instability in sheared foam
This work provides evidence that anisotropic drainage in sheared foam is at the origin of
convective instability in very long foam channels. Convective instability occurs in foam under …
convective instability in very long foam channels. Convective instability occurs in foam under …
Neutron radiography of an anisotropic drainage flow
Liquid drainage through foam is dominated by gravity, capillary, and viscous forces. The
liquid is conducted by an isotropic network of Plateau borders; however, imposed stress …
liquid is conducted by an isotropic network of Plateau borders; however, imposed stress …
Phase boundary dynamics of bubble flow in a thick liquid metal layer under an applied magnetic field
We investigate argon bubble flow in liquid gallium within a container large enough to avoid
wall effects. Flow with and without applied horizontal magnetic field is studied. We …
wall effects. Flow with and without applied horizontal magnetic field is studied. We …
X-ray particle tracking velocimetry in liquid foam flow
In this work, we introduce a novel approach to measure the flow velocity of liquid foam by
tracking custom-tailored 3D-printed tracers in X-ray radiography. In contrast to optical …
tracking custom-tailored 3D-printed tracers in X-ray radiography. In contrast to optical …
[HTML][HTML] Micro-CT imaging of a frozen bubble cluster: Sample holder development and image processing techniques
The significance of clusters in the flotation of coarse particles is well-known. This paper
presents a novel technique for micro-computerized tomography (micro-CT) imaging of …
presents a novel technique for micro-computerized tomography (micro-CT) imaging of …
[HTML][HTML] Synchrotron X-ray imaging study on the mechanism of solids transfer to bitumen froth during oil sands flotation 1: True flotation
H Zhang, L **a, N Zhu, S Gasilov, I He… - Cleaner Engineering and …, 2025 - Elsevier
Unwanted mineral solids in bitumen froth can lead to increased solvent usage and higher
hydrocarbon loss in downstream processing, negatively impacting the cost-effectiveness …
hydrocarbon loss in downstream processing, negatively impacting the cost-effectiveness …
X-ray Particle Tracking Velocimetry in an Overflowing Foam
In mineral processing, froth flotation is based on recovering valuable mineral particles by
means of the overflowing froth. Industrial-scale froth flotation cells are typically equipped …
means of the overflowing froth. Industrial-scale froth flotation cells are typically equipped …