XXXI International Mineral Processing Congress 2024 Proceedings/Washington, DC/Sep 29–Oct 3 531
Experiment Set-up
The experimental set up is illustrated in Figure 4. The func-
tion generator and voltage amplifier provide a three-phase
high voltage to the ETW board. After activating the sys-
tem, an ETW field is generated above the ETW board. A
vibratory feeder can provide particles with initial velocities
and particle charge. This was seldom utilized, only in spe-
cific experiments, such as when investigating the impact
of particle initial velocity. The particles can be collected by
collector containers at each end for weighing and analysis.
The systems is housed in a Perspex case for safety, and to
avoid interference from stray air currents.
A schematic of the ETW platform is illustrated in
Figure 5. Three-phase high voltage is applied to the elec-
trodes. The wave direction can be controlled by adjusting
the phase difference through the function generator. In the
all experiments, the three sinusoidal waves were set with an
offset of 120 degrees. Selected sample particles fed into the
field can be transported either forward or backward.
Figure 3. Photograph of the PCB of front and back panel: raised lines represent electrodes
Figure 4. Photograph of experiment setup
Experiment Set-up
The experimental set up is illustrated in Figure 4. The func-
tion generator and voltage amplifier provide a three-phase
high voltage to the ETW board. After activating the sys-
tem, an ETW field is generated above the ETW board. A
vibratory feeder can provide particles with initial velocities
and particle charge. This was seldom utilized, only in spe-
cific experiments, such as when investigating the impact
of particle initial velocity. The particles can be collected by
collector containers at each end for weighing and analysis.
The systems is housed in a Perspex case for safety, and to
avoid interference from stray air currents.
A schematic of the ETW platform is illustrated in
Figure 5. Three-phase high voltage is applied to the elec-
trodes. The wave direction can be controlled by adjusting
the phase difference through the function generator. In the
all experiments, the three sinusoidal waves were set with an
offset of 120 degrees. Selected sample particles fed into the
field can be transported either forward or backward.
Figure 3. Photograph of the PCB of front and back panel: raised lines represent electrodes
Figure 4. Photograph of experiment setup