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Cake Forming Porometer

Cake Forming Porometer

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This is a unique instrument - capable of creating cakes in-situ on filtration media and characterizing pore structure characteristics of filtration media with and without cake. The cake is able to be created under a wide range of test conditions. The instrument is used for cost effective analysis of cake filtration processes and development of appropriate technologies.
 
Operation Principle
 A wetting liquid is allowed to spontaneously fill the pores in the sample and a non-reacting gas is allowed to displace liquid from the pores. The gas pressure and flow rates through wet and dry samples are accurately measured. The gas pressure required to remove liquid from the pores and cause gas to flow is given by:
             D = 4 γ cos θ / p
where D is the pore diameter, γ is the surface tension of liquid, θ is the contact angle of liquid, and p is the differential gas pressure. From measured gas pressure and flow rates, the pore throat diameters, pore size distribution, and gas permeability are calculated.
 
Features
 3 Sample Chambers for: pore size distribution, cake forming ,liquid
 Capable of forming cakes under user specified: pressure , flow rate, concentration.
 Cleaning of system to prevent clogging
 Ability to measure pore structure characteristics, including bubble point, mean flow pore diameter, pore distribution, liquid permeability
 Full automation for repeatable results obtainable without much operator involvement.
 
Technical Parameters

Items Parameters
Pore Size Range 0.03 to 100 microns
Permeability Range 0.001 - 100 cc/min
Sample Size ¼” - 2” diameter,5mm - 50mm ,0” - 1” thick
Pressure Range 0 - 110 psi
Resolution 1 in 60,000
Accuracy 0.15% of Reading
Power Requirements 110/220 VAC, 50/60 Hz



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