Molecular Sieve
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CHEMXIN synthetic zeolite 3a 4a 5a 13x 13x apg molecular sieve beads adsorbent for industrial gas drying

molecular sieve

molecular sieve

CHEMXIN Molecular sieves are used as a desiccant of adsorbents for industrial process which require the adsorption and removal of oxycompound elements during industrial processing. Molecular sieves are characterized by the ability to distinguish molecules based on the size of the pore.

Chemxin produces 3A, 4A, 5A, 13X, 13x apg molecular sieve products, can be applied to different industries according to the requirements of different industries on adsorbent.

molecular sieve size

Technical Parameter

Model 3A 4A 5A 13X 13X APG
Nominal pore diameter 3 angstroms 4 angstroms 5 angstroms 10 angstroms 10 angstroms
CAS Number 308080-99-1 70955-01-0 69912-79-4 63231-69-6 63231-69-6
Shape Sphere
Diameter (mm) 1.7-2.5(8*12 mesh)
Size ratio up to grade (%) ≥98 ≥98 ≥98 ≥98 ≥98
Bulk density (g/ml) ≥0.70 ≥0.70 ≥0.70 ≥0.68 ≥0.67
Wear ratio (%) ≤0.20 ≤0.20 ≤0.20 ≤0.20 ≤0.20
Crushing strength (N) ≥55/piece ≥35/piece ≥35/piece ≥35/piece ≥25/piece
Static H2O adsorption (%) ≥21 ≥21.5 ≥22 ≥25 ≥27
Ethylene adsorption (‰) ≤3.0

Static methanol adsorption (‰)

Static Hexane adsorption (‰)


Static CO2  adsorption (‰)

≥17 ≥18
Water content (%) ≤1.5 ≤1.5 ≤1.5 ≤1.5 ≤1.5

3A Molecular Sieve

a) Drying of unsaturated hydrocarbons (e.g. ethylene, propylene, butadien)
b) Cracked Gas Drying
c) Drying of natural gas, if COS minimization is essential, or a minimum co-adsorption of hydrocarbons is required.
d) Drying of highly polar compounds, such as methanol and ethanol
e) Drying of liquid alcohol
f) Static, (non-regenerative) dehydration of insulating glass units, whether air filled or gas-filled.
g) Drying of CNG.


4A Molecular Sieve
a) Drying and removing of CO2 from natural gas, LPG,air, inert and atmospheric gases, etc
b) Removal of hydrocarbons, ammonia and methanol from gas streams (ammonia syngas treating).

c) Special types are used in the air brake system of buses, trucks and locomotives.
d) Packed in small bags, it may be used simply as a packaging desiccant.

e) For fire escape mask

g) For filter


5A Molecular Sieve
a) The strong ionic forces of the divalent calcium ion makes it an excellent adsorbent to remove water, CO2, H2S form sour natural gas streams, while mini missing COS formation. Light mercaptans are also adsbored.
b) Separation of  normal-and iso paraffin's
c) Production of high purity N2, O2,H2 and inert gases from mixed gas streams.
d) Static, (non-regenerative) dehydration of insulating glass units, whether air filled or gas-filled.


13X Molecular Sieve
a) Removal of CO2 and moisture from air (air pre-purification) and other gases.
b) Separation of enriched oxygen from air.
c) Removal of mercaptans and hydrogen sulphide from natural gas.
d) Removal of R-SH and H2S from hydrocarbon liquid streams (LPG, butane etc.)
e) Catalyst protection, removal of oxygenates from hydrocarbons (olefin streams)
f) Removal of n-chained compositions from aromatics.
g) Production of bulk oxygen in PSA units.

13X APG Molecular Sieve

a) Removal of CO2 and H2O from air for air cryo-separation application

Molecular Sieve ApplicationMolecular Sieve ProductionMolecular Sieve Packaging

Molecular Sieve Type

CHEMXIN molecular sieve

CHEMXIN molecular sieve

CHEMXIN molecular sieve

CHEMXIN is one of the biggest leading manufacturer of adsorbents, tower support medias and tower packings in China. Our factory covers an area of 42,000M2 with fully automatic production lines, intelligent warehouse, perfect production system, as well as excellent quality control system throughout all stages of production. We have nearly 20 years of factory production experience enables us to guarantee customer satisfaction.

At present, our company is sinopec network resource market supplier. Our products have been widely used in electricity, petroleum, chemical, metallurgy, environmental protection, pharmaceutical, aerospace, aviation and other industries throughout the country. Exports to more than 130 countries and regions overseas. We have provided products and professional services for dozens of the world's top 500 for many years, like SINOPC, AIRLIQUID, GE, BAYER, TATA GROUP, SORBEAD ect.

Molecular Sieve FactoryCHEMXIN molecular sieveCHEMXIN molecular sieve


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