Variation of specific cake resistance according to size and fractal dimension of chemical flocs in a coagulation-microfiltration process

Pyung Kyu Park; Chung Hak Lee; Sangho Lee

doi:10.1016/j.desal.2006.03.051

Variation of specific cake resistance according to size and fractal dimension of chemical flocs in a coagulation-microfiltration process

Pyung Kyu Park, Chung Hak Lee, Sangho Lee

Division of Environmental Engineering

Research output: Contribution to journal › Article › peer-review

28 Citations (Scopus)

Abstract

A theoretical model to predict the porosity and specific resistance of cake layer was developed for better understanding a coagulation-microfiltration system for drinking water production. The model was based on fractal theory and incorporated intra-floc and inter-floc porosities as well as cake collapse effect. The cake porosity was also determined experimentally using a confocal laser scanning microscope (CLSM) and image analysis to verify the validity of the model. Using the model, specific cake resistances can be simulated as a function of floc size and fractal dimension. The specific cake resistance decreases upon increasing the floc size and decreasing the fractal dimension.

Original language	English
Pages (from-to)	213-215
Number of pages	3
Journal	Desalination
Volume	199
Issue number	1-3
DOIs	https://doi.org/10.1016/j.desal.2006.03.051
Publication status	Published - 2006 Nov 20

All Science Journal Classification (ASJC) codes

Chemistry(all)
Chemical Engineering(all)
Materials Science(all)
Water Science and Technology
Mechanical Engineering

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10.1016/j.desal.2006.03.051

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abstract = "A theoretical model to predict the porosity and specific resistance of cake layer was developed for better understanding a coagulation-microfiltration system for drinking water production. The model was based on fractal theory and incorporated intra-floc and inter-floc porosities as well as cake collapse effect. The cake porosity was also determined experimentally using a confocal laser scanning microscope (CLSM) and image analysis to verify the validity of the model. Using the model, specific cake resistances can be simulated as a function of floc size and fractal dimension. The specific cake resistance decreases upon increasing the floc size and decreasing the fractal dimension.",

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Variation of specific cake resistance according to size and fractal dimension of chemical flocs in a coagulation-microfiltration process

Abstract

All Science Journal Classification (ASJC) codes

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