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Type 3A molecular sieve

Type 3A

Composition 0.6 K2O: 0.40 Na2O : 1 Al2O3 : 2.0 ± 0.1SiO2 : x H2O

 

Description The 3A form is made by substituting potassium cations for the inherent sodium ions of the 4A structure, reducing the effective pore size to ~3A, excluding diameter >3A, e.g., ethane.

 

 


PRODUCTS DESCRIPTION

Major Applications Commercial dehydration of unsaturated hydrocarbon streams, including cracked gas, propylene, butadiene, acetylene; drying polar liquids such as methanol and ethanol. Adsorption of molecules such as NH3 and H2O from a N2/H2 flow. Considered a general-purpose drying agent in polar and nonpolar media.

 

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

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.


Type 3A molecular sieve



"Note:This is normal specification, in case of a particular application, application, please contact us by email at info@fznewmaterials.com for technical information."


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