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3a Molecular Sieve

Posted at: Offers to Sell and Export | Posted on: Mon 20 Apr, 2009 9:07 am | Product Category: Molecular sieve [64]
3a molecular sieve
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XINTAO Molecular Sieve type 3A 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 maximises lifetime when dehydrating such molecules.

Typical Chemical Formula:

0.45 K2O . 0.55 Na2O . Al2O3 . 2 SiO2 . 4.5H2O

SiO2 : Al2O3 ≈2

Typical Application :

Drying of unsaturated hydrocarbons (e.g. ethylene, propylene, butadien)

Cracked Gas Drying

Drying of natural gas, if COS minimization is essential, or a minimum co-adsorption of hydrocarbons is required.

Drying of highly polar compounds, such as methanol and ethanol

Drying of liquid alcohol

Static, (non-regenerative) dehydration of insulating glass units, whether air filled or gas-filled.

Drying of refrigerants


XINTAO 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 200-230C is required. A properly regenerated molecular sieve can give moisture dew points below -100C.

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, (10x18 mesh) 2-3 mm, (8x12 mesh), 2.5-5 mm, (4x8 mesh) and as powder, and in pellet 1.6, 3.2.


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

Company Contact:

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Contact Name: Joe
Company Name: Pingxiang Xintao Chemical Packing Co., Ltd
Email: Email
Tel: 86-799-6611555
Fax: 86-799-6611965
Street Address: West Section, High
Tech Industrial Park, Development
Zone, Pingxiang City, Jiangxi
Province, 337000 P.R.China
Website: http://www.xt988.com
Member name: qixt988
Country: China-CN China
Member Since: 20 April 2009
Total Leads: 2 qixt988 Import Export Business Leads
Business focus: Molecular Sieve, Activated Alumina, Ceramic Ball, Tower Packing
Verify: Safe Import Export Tips
Product Category: Molecular sieve [64]

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