Van Gas molecular
sieve desiccant beads are crystalline metal aluminosilicates that contain a vast network of uniform pores and cavities. Due to this network, the adsorption potential of molecular sieve desiccant is greatly enhanced. Van Gas molecular sieve desiccant is one of the most aggressive primary forms of desiccant on the market.
(1 Angstrom - 3.94 x 10-9 inches)
One of the most unique features of Van Gas molecular sieve is its ability to adsorb water molecules over a mush wider spectrum of temperatures than any other desiccant material. Therefore, our molecular sieve dry bed desiccant is able to continue the adsorption process at temperatures which would cause other desiccants to desorb trapped water molecules.
Because of its high comparative cost, it is normally used
for special process applications. Pressure dew points to
-100°F may be achieved with molecular sieve depending
on the dryer design and operating conditions.
Physical
Properties |
Molecular
Sieve Package Sizes |
|
|
|
|
| Color
and form |
Off
white / tan bead |
33-0317 |
5
lb pail |
| Bulk
Density |
49
lbs/cu.ft. |
33-0249 |
25
lb pail |
| Surface
area |
3.67
x 10 6 sq ft/lb |
33-0265 |
50
lb bag |
| |
|
33-0250 |
330
lb Steel drum |
| Static
adsorption |
|
|
| Humidity |
|
| 100%
RH |
23.0% |
| 90%
RH |
22.5% |
| 60%
RH |
21.0% |
| 10%
RH |
19.0% |
1.
Uniform retention capacity
Moisture retention (pounds of water adsorbed per pound of
desiccant) does not change appreciably if the gas
is not saturated. It also keeps its moisture retention properties
over a wider range of operating temperatures.
2. Round bead shape
Round shape has high abrasion resistance and results in
lower pressure drop than extruded molecular sieve.
