Introduction
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 Application
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Drying of unsaturated hydrocarbons (e.g. ethylene, propylene, butadien)
![](http://www.xt988.com/cp01_001_clip_image002_0000.gif)
Cracked Gas Drying
![](http://www.xt988.com/cp01_001_clip_image002_0001.gif)
Drying of natural gas, if COS minimization is essential, or a minimum co-adsorption of hydrocarbons is required.
![](http://www.xt988.com/cp01_001_clip_image002_0002.gif)
Drying of highly polar compounds, such as methanol and ethanol
![](http://www.xt988.com/cp01_001_clip_image002_0003.gif)
Drying of liquid alcohol
![](http://www.xt988.com/cp01_001_clip_image002_0004.gif)
Static, (non-regenerative) dehydration of insulating glass units, whether air filled or gas-filled.
![](http://www.xt988.com/cp01_001_clip_image002_0005.gif)
Drying of refrigerants
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