The methods/devices which could be used to determine the nominal and effective specific surface of fixed-bed and moving-bed packing media which have been used for biological wastewater treatment processes such as MBBR, IFAS,...
Ata,
If you have a sample of this material you can perform a Blaine test.
https://www.youtube.com/watch?v=6_w9Vo8fKlI
You can use the equations (Kozeny - Carman equation) and make your own apparatus :)
regards,
G
Dear Grzegorz Boczkaj
Thank you so much for your help.
I need the methods which specifically have been used for fixed-bed and moving bed media such as packing media...
It seems that the proposed method has been used more for porous media.
Regards,
Ata
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