CATALYST
PEROCHEM
has developed a ceramic catalyst for rocket propulsion that
decompose STABILISED HYDROGEN PEROXIDE.
(silver based catalyst are poisoned with more than 200 ppb
stabilisant)
The
catalyst PER-700.7 works with H2O2 food grade (100’000
ppb) from
70% to 99% concentration.
Tests
with RGHP (rocket grade hydrogen peroxide)
The
specific activity is 3 times more than silver wire screen
catalyst
Figure of merit of catalysts with unstabilizided Hydrogen Peroxide
| CATALYSTS |
BED LOADING (lbm/in2/s) |
Run Time (s) |
| Ceramic
PER-700.7 |
1.45 |
4000 |
| Nickel Wire Plated Silver |
1.0 |
500 |
| Pure Silver Wire |
0.5 |
2000 |
| Iridium (SHELL 405) |
0.4 |
4000 |
| Pure Silver Wire + Samarium Oxide Coating |
0.35 |
1500 |
| Pyrolusite (MnO2) |
0.2 |
800 |
| CELCOR® + MnO2 |
0.4 |
40 |
| CERACAT® + MnO2 |
0.38 |
50 |
Tests
conditions : H2O2 90% no stabilisant decomposition pressure
4 MPa
Figure of merit of catalysts with stabilizided Hydrogen Peroxide
| CATALYSTS |
BED LOADING (lbm/in2/s) |
Run Time (s) |
| Ceramic
PER-700.7 |
1.0 |
1000 |
| Nickel Wire Plated Silver |
0.1 |
10 |
| Pure Silver Wire |
0 (blocked) |
0 |
| Iridium (SHELL 405) |
0.4 |
40 |
| Pure Silver Wire + Samarium Oxide Coating |
0 (blocked) |
0 |
| Pyrolusite (MnO2) |
0.1 |
50 |
| CELCOR® + MnO2 |
0.1 |
40 |
| CERACAT® + MnO2 |
0.1 |
40 |
Tests
with FGHP ( food grade hydrogen peroxide) 100 ppm PO-4
Another
advantage is the specific density of the ceramic catalyst
that is
0.72 kg/dm3 which is 3.7 times
less density compare to silver wire sceens. |
