3A Molecular Sieve in Petrochemical CAS No. 63231-69-6

Model NO.
3A
Size
1.7-2.5mm, 3-5mm
Certificate
ISO9001: 2000
Type
3A
Trademark
JINCHENG
Transport Package
25kgs/Carton Box, or 150kgs/Steel Drum, Palletized
Specification
Beads 1.7-2.5mm, 3-5mm, Pellet 1.6mm, 3.2mm
Origin
China
HS Code
3824999990
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Shenzhen Jincheng Chemical Packing Co., Limited Diamond / Audited Supplier
3A Zeolite Molecular Sieve is an alkali metal alumino-silicate; It is the potassium form of the type A crystal structure. Type 3A has an effective pore opening of about 3 angstroms (0.3nm). This is large enough to allow in moisture, but excludes molecules such as unsaturated hydrocarbons which can potentially form polymers; And this maximizes lifetime when dehydrating such molecules.

Typical Chemical Formula
0.4K2O 0.6Na2O Al2O3 2. OSiO2 4.5H2O
SiO2: Al2O3 ≈ 2

Typical Application
1) Drying of unsaturated hydrocarbons (e. G. Ethylene, propylene, butadien)
2) Cracked Gas Drying
3) Drying of natural gas, if COS minimization is essential, or a minimum co-adsorption of hydrocarbons is required.
4) Drying of highly polar compounds, such as methanol and ethanol
5) Drying of liquid alcohol
6) Static, (non-regenerative) dehydration of insulating glass units, whether air filled or gas-filled.
7) Drying of refrigerants

Regeneration
Molecular sieve Type 3A can be regenerated by either heating in the case of thermal swing processes; Or by lowering the pressure in the case of pressure swing processes.
To remove moisture from a 3A molecular sieve, a temperature of 200-230° C is required. A properly regenerated molecular sieve can give moisture dew points below -100° C.
The outlet concentrations on a pressure swing process will depend on the gas present, and on the conditions of the process.

Size
3A – Zeolites are available in beads of 1-2 mm, (10×18 mesh) 2-3 mm, (8×12 mesh), 2.5-5 mm, (4×8 mesh) and as powder, and in pellet 1.6″, 3.2″.

Attention
To avoid damp and pre-adsorption of organic before running, or must to be reactivated.

Item Unit Technical data

Shape

 
Pellet Sphere

Diameter

mm

1.5-1.7

3.0-3.3

1.7-2.5

3.0-5.0

Size ratio up to grade

%

≥98

≥98

≥96

≥96

Bulk density

g/ml

≥0.68

≥0.68

≥0.68

≥0.68

Wear ratio

%

≤0.20

≤0.25

≤0.10

≤0.10

Crushing strength

N

≥45/cm

≥60/cm

≥30/piece

≥70/piece

Static water adsorption

%

≥20

≥20

≥20

≥20

Ethylene adsorption

%

≤3.0

≤3.0

≤3.0

≤3.0

Water content, as shipped

%

≤1.5

≤1.5

≤1.5

≤1.5