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Clinoptilolite
(natural zeolite)
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Process
Clinoptilolite
(Natural Zeolite) a naturally occurring volcanic mineral,
is a hydrated
alummino-allicate with infinite three-dimensional frameworks
of silicon-oxygen
(SiO4) tetrahedra. Industrial process involves crushing,
sieving and drying of the mineral.
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Chemical characteristics (typical)
|
SiO2 |
68.26 |
|
Al2O3 |
12.30 |
|
Fe2O3 |
0.08
|
|
CaO |
4.34 |
|
MgO |
1.05 |
|
K2O |
0.94 |
|
Na2O |
0.26 |
Ammonium
Ion Exchange Capacity
130-150 meq/100 g
Pore volume : 0.34 cm³/cm³
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Physical
properties (typical)
Specific
density |
2.16
kg/dm³ |
Bulk
density |
0.85
- 1.1 kg/dm³ |
Hardness |
3.5
- 4 (Mohs scale) |
| Alkaly
stability |
7
- 11 pH |
| Acid
stability |
2
- 7 pH |
| Moisture
content |
7
% + 2 % |
| Absorbing
gases |
NH3,
H2S |
| Colour |
Greenish,
Ivory |
- Handling
/ storage / toxicity
Handling |
avoid dust formation |
Storage |
no special precautions |
Toxicity |
non toxic |
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