Dry-wet mehod was used to obtain the porosity information of one UF/MF membrane or some other porous media, but it is not accurate in test the porosity of one biofilm or one cake layer one the membrane surface? Recently, Optical Coherence tomography (OCT) was used to obtain the porosity of the longterm biofilm, but it still work not very well in the initial process. I want find some accurate methods to obtain the porosity of one biofilm or cake layer. Any suggestion is welcomed. Thank you!
Hi Yu
I think these papers can help you:
Hu M, Zhang TC, Stansbury J, Neal J, Garboczi EJ. Determination of porosity and thickness of biofilm attached on irregular-shaped media. Journal of Environmental Engineering. 2013 Jan 31;139(7):923-31.
Zhang TC, Bishop PL. Density, porosity, and pore structure of biofilms. Water Research. 1994 Nov 1;28(11):2267-77.
Garboczi EJ, Hu M, Zhang T. DETERMINATION OF MEAN DENSITIES, POROSITY AND THICKNESS OF BIOFILMS ATTACHED ON IRREGULAR-SHAPED MEDIA. 2011 Aug 10.
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