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Clarification of a Common Misunderstanding of Collision Frequencies in the Smoluchowski Equation
Publisher: American Society of Civil Engineers
Abstract: Flocculation is universally modeled on the basis of the seminal work of M. von Smoluchowski. The key equation is a particle number balance that expresses the net rate of formation of particles of a given type as the ...
Modeling Formation of Natural Organic Matter Fouling Layers on Ultrafiltration Membranes
Publisher: American Society of Civil Engineers
Abstract: Three simple mathematical models to describe fouling of an ultrafiltration membrane by natural organic matter (NOM) are developed and compared. These models attribute the fouling to: (1) an increase of the effective pore ...
Use of Iron Oxides to Enhance Metal Removal in Crossflow Microfiltration
Publisher: American Society of Civil Engineers
Abstract: This research investigated whether iron oxyhydroxides used in conjunction with microfiltration could improve the removal of metals from a waste while maintaining adequate flux. Filtration of individual metals, a mixture ...