| Sample |
PSI |
Passes |
Results |
Lead zirconia
Proprietary formulation |
1000 |
1 |
2.5-5µ particles |
|
10000 |
3 |
Freefloating primary particles |
Green mica
Aqueous |
7%
q.s. |
|
6000
X |
2-3
X |
Particle size reduced from 60 to 21.6µ |
White Mica
Aqueous |
11%
q.s. |
|
6000 |
1 |
Particle size reduced from 45 to 15.8µ Pre-dispersion step required for both samples. Large single chamber required to prevent plugs. |
Coarse mica
Aqueous |
30%
q.s. |
|
10000 |
2 |
Small flakes, uniform dispersion. Multiple passes required. |
Bentonite Clay
Aqueous |
5%
q.s. |
|
9000 |
2 |
Original particle size: .717µ
-Particle size, 1 pass: .358µ
-Particle size, 2 passes: .289µ |
| Calcium sulfate
hemi-hydrate
DTDA
Citric Acid
Water |
51%
1.35%
0.65%
q.s. |
|
3000
5600 |
1
1 |
Particle size: 5µ
Particle size: 3.45µ
Subsequent testing showed optimal pressure to be 4000psi, 1 pass
|
72.1% limestone slurry
in water |
10000 |
1 |
Original particle size of 2.5µ with agglomerates up to 25µ. ALL agglomerates eliminated. Primary particle size achieved. |
Fe304
THF
Soy lecithin |
41.1%
57.5%
q.s. |
|
13000 |
3 |
Sample thickened to mayonnaise consistency. Much smoother. |
Fe/Fe203
Cyclohexane &
resin binder |
40%
q.s. |
|
1000
10000 |
1
4 |
Required higher pressure occasionally to unplug interaction chamber. Agglomerate size reduced and magnetism retained. Cooling coil required. |
|
|
10000 |
3 |
First pass broke up all of the agglomerates. Subsequent passes rendered the snake-like filaments smaller. |
| Iron oxide, unmilled |
7000 |
2 |
Needed pre-dispersion pass. Mat'l smoother and had less agglomerates. |
|
|
10000 |
1 |
All primary particles, no agglomerates. Pilot scale operation. Over 350 hours continuous operation without shutdown. |
Processors
