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AIM-5A Molecular Sieve

AIM-5A Molecular Sieve is an alkali alumina silicate type (the Ca form for A crystal structure). It has an operative pore opening with 5 angstroms diameter (0.5 nm) which will adsorb molecules with a kinetic diameter of less than 5 Angstrom form larger molecules. Its specific application is for PSA adsorption system where it may be used for the separation of normal-paraffins and iso-paraffins (C4 to C6 species), in PSA hydrogen purification or oxygen concentrators. SF6 refrigerant purifying is another its application.

Model

AIM-5A

Colour

Light grey

Nominal pore diameter

5 angstroms(0.5 nm)

Shape

Sphere

Pellet

Diameter (mm)

1.7-2.5 (8*12 mesh)

3.0-5.0 (4*8 mesh) 1.6 (1/16 inch)

3.2 (1/8 inch)

Size ratio up to grade (%)

≥98

≥98 ≥97

≥97

Bulk density (g/ml)

≥0.70

≥0.70 ≥0.68

≥0.68

Wear ratio (%)

≤0.21

≤0.21 ≤0.42

≤0.42

Crushing strength (N)

≥35/piece

≥85/piece ≥30/piece

≥75/piece

Static H2O adsorption (%)

≥21

≥21 ≥21

≥21

Static Hexane adsorption (%)

≥12

≥12 ≥12

≥12

Water content (%)

≤1.5

≤1.5 ≤1.5

≤1.5

Typical Chemical Formula 0.7CaO . 0.3Na2O . Al2O3 . 2SiO2 . 4.5H2O

(SiO2 : Al2O3 ≈2)