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Modern Theoretical Concepts of Water Treatment and Role of Porous Media in It
Abstract
The level of modern knowledge about filtration, that directly ensures the removal of the dispersed contamination from natural and waste waters, was analyzed in Chapter 1. A detailed description of the packed porous media saturated with contaminated water as physical two-phase system is given in Section 1. It is under the conditions of progressive reduction of the pore space. Section 2 includes the description of general approaches to mathematical modeling of processes of different nature, which together promote the productive operation of water treatment units with a porous functional layer. The principles of developing mathematical models, setting appropriate problems, methods of solving them using exact and approximate methods are discussed consistently and specifically for the various filtration conditions. Section 3 provides a base for the technological analysis, including five criteria parameters and equations. Using simple models, the significance of two mass transfer mechanisms is analyzed.
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