Molecular Sieve Type |
Molecular Sieve 3A (KA) |
Molecular Sieve 4A (NaA) |
Molecular Sieve 5A (CaA) |
Cation |
Potassium K+
|
Sodium Na+
|
Calcium Ca2+
|
Pore Size |
3 Angstrom (0.3 nano meter)
|
4 Angstrom (0.4 nano meter)
|
5 Angstrom (0.5 nano meter)
|
Molecules excluded |
Most |
Propane |
All 4-carbon rings, iso-compounds |
|
(except H2O, NH3) |
(Adsorbed species include SO2,CO2, H2S,C2H4, C2H6 and C3H6) |
(Molecules adsorbed include C3H8,nC4H8, nC4H9OH, nC4H10~nC22H46) |
Beads | Pellets | |||
8×12Mesh ~2mm |
6×8Mesh ~3mm |
4×8Mesh ~4mm |
1/16 Inch ~1.6mm |
1/8 Inch ~3.2mm |