Natural Organic Matter Fouling of Nanofiltration Membranes


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Table of Contents

Natural Organic Matter Fouling of Nanofiltration Membranes

Outline

Motivation

Model NF Membrane and NOM

Characterization of NOM and NF Membrane

NOM Characteristics

Membrane Zeta Potential

Calcium Ion Complexation with NOM

Effect of Ionic Strength on Fouling

Effect of Divalent Cations (1)

Effect of Divalent Cations (2)

Effect of Solution pH

Effect of NOM Source

Effect of Permeate Rate

Effect of Permeate Rate: Is it Mass Transfer Controlled?

Cake Filtration Equation

EDTA Post Treatment

Concluding Remarks

 Corresponding Author: Menachem Elimelech
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Hong, S., and Elimelech, M. "Chemical and Physical Aspects of Natural Organic Matter (NOM) Fouling of Nanofiltration Membranes", Journal of Membrane Science, Volume 132, September 1997, pages 159 - 181.