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Equilibrium and Kinetic Test Units

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Equilibrium Test Unit (ETU)

Measurement of the equilibrium and kinetic parameters of adsorbents forms the basis on which design can proceed.  Although the ASAP2010 analyzer can be used to measure equilibrium adsorption, it is restricted to a maximum pressure of 1000mmHg and is time consuming to run for different gases.  To enable rapid acquisition of equilibrium data up to 30 bar, an equilibrium test unit has been built based on the volumetric principle.  The system is capable of measuring pure component adsorption isotherms from -20°C to >80°C with samples of 1-2g.  Gas changeover is rapid and a degassing facility is also available.

 

Kinetic Test Unit (KTU)

To measure uptake rates of gases on solids, a purpose-built Kinetic Test Unit is used.  This was assembled by our industrial sponsor, Air Products and Chemicals, Inc.  The unit relies on dosing a measured quantity of gas onto a sample and measuring the rate of pressure decay.  Comparison with a blank sample allows deduction of the rate of adsorption. 

 

 

 

 

 
 

 

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