Abstract

Suspended solid matter in a fluid media represents a heterogeneous system that, from a very general viewpoint, is a fundamental fluid dynamics problem. This problem is frequently encountered in numerous industry applications. The principles covered in this chapter are general enough to be applied to the class of unit operations aimed at separation, handling, or processing heterogeneous or two-phase systems, including those dealing with gas-solid suspensions. The chapter also discusses the sedimentation process in detail. It takes a closer look at the mechanical clarification process and the chemistry of clarification. A coalescer achieves separation of an oily phase from water on the basis of density differences between the two fluids.

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