14
Spray Towers/Scrubbers
14.1 Device Type
Spray tower scrubbers use spray nozzles to extend the surface area of the scrubbing liquid to enhance mass transfer of contaminant gas(es) into the liquid. They are primarily used for gas absorption.
Spray scrubbers include designs that use spray nozzles (hydraulically or air or steam atomized) to absorb gases and control larger diameter (+10 μ) particulate.
14.2 Typical Applications and Uses
Spray tower scrubbers are often used on wet flue gas desulfurization (FGD) systems at public and industrial power generation facilities. These FGD systems use lime or limestone slurries as the scrubbing liquid. Their open vessel design is an advantage where plugging or scaling may occur. The simplicity ...
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