分子筛4A

Type 4A

 

Description

Type 4A, is the sodium form of the Type A molecular sieve, Type 4A molecular sieve will adsorb molecules with critical diameters up to 4 angstroms. 

 

Applications

Type 4A adsorbent has been specially formulated for drying natural gas liquids. It has demonstrated the ability to provide long service life and predictable, economical dehydration service. Type 4A adsorbent can provide very low moisture levels required by cryogenic NGL recovery plants. It is also used for removing H2S and CO2 from natural gas.

 

Chemical Formula

Na12[(AlO2)12(SiO2)12]·XH2O

 

Regeneration

Type 4A can be regenerated for re-use by heating with simultaneous purge or by evacuation.

 

Specification

 

 

1/16” Pellets

1/8” Pellets

8*12 Beads

4*8 Beads

Particle Diameter (mm)

       

Bulk Density(kg/m3)

≥660

≥660

≥680

≥680

Crush Strength (N)

≥40

≥80

≥40

≥90

Equilibrium H2O Capacity* (wt%)

≥21.0%

≥21.0%

≥22.0%

≥22.0%

Water Content, as shipped (wt%)

<1.5%

<1.5%

<1.5%

<1.5%

Molecules adsorbed

Molecules with an effective diameter <4 angstroms.

Molecules excluded

Molecules with an effective diameter >4 angstroms.

* Measured at 17.5mmHg and 25℃.

 

Shipping Information

Type 4A adsorbent is shipped in steel drums.

Container Size 

Net Weight (kg) 

Pellets

Beads

22 gallons (0.083 m3) 

50

60

55 gallons (0.208 m3) 

140

150



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至: 郑州天祥无机材料有限公司
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