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4*8 Mesh Drying Adsorbent Molecular Sieve 3a for Removing Moisture

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    The date of payment from buyers deliver within days

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    Guangdong

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    Long-term effective

  • Last update:

    2018-02-09 13:55

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    192

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Guangzhou Chemxin Environmental Material Co.,Ltd

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Area: Guangdong

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Website: http://www.chemxin-en.com/ http://www.furonghua.net/com/chemxin/

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4*8 mesh drying adsorbent molecular sieve 3a for removing moisture.


 Molecular Sieve type 3A is an alkali metal alumina-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.



 



1.Specification.

































































Model




3A




Color




Light gray




Nominal pore diameter




3 angstroms




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




≥96




≥96




Bulk density (g/ml)




≥0.70




≥0.70




≥0.68




≥0.68




Wear ratio (%)




≤0.20




≤0.20




≤0.40




≤0.40




Crushing strength (N)




≥35/piece




≥85/piece




≥30/piece




≥50/piece




Static H2O adsorption (%)




≥21




≥21




≥21




≥21




Dynamic capacity (%)




≥20




≥20




≥20




≥20




Ethylene adsorption (‰)




≤3.0




≤3.0




≤3.0




≤3.0




Water content (%)




≤1.5




≤1.5




≤1.5




≤1.5




Typical Chemical Formula




0.4K2O . 0.6Na2O .    Al2O3 . 2SiO2 . 4.5 H2O (SiO2 : Al2O3 ≈2)




Typical Application




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.









2. Regeneration:



Chemxin 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.






3. Size: 

3A - Zeolite are available in beads of 1-2 mm(10x18 mesh), 2-3 mm(8x12 mesh), 2.5-5 mm(4x8 mesh) and as powder, and in pellet 1.6mm, 3.2mm.







4. Attention:

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



 



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FAQ.



1).Offer samples?



---Yes. 



 



2). Is CHEMXIN a manufacturer or trading company?  



---Manufacturer.



3). How long does it take to delivery?  



---In 7-10 days after receipt of 30% deposit.



 



4). What's your payment term?



---TT, Paypal, Western Union, L/C etc



 



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