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Several different types of equipment are used to clarify white water. They differ by the size of the flows they can handle and by the size of solids they remove. In general, disc filters and rotary drum filters are designed to handle larger quantities of white water and remove larger solids. Dissolved Air Flotation, DAF, systems also handle larger quantities, but can remove much smaller particles. Strainers and filters are installed closer to the process. These remove smaller fines and supply processes which require very clean water, such as high pressure showers. This module will cover these devices in the order just listed.