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Flocculants are chemicals used in water treatment operations to help separate suspended solids from water. Flocculants are used to help bind dispersed solids into larger clumps. The resulting clumps then become large enough to settle or be removed from the water through filtration, straining, or floatation. While flocculants are often used in wastewater treatment operations, they can also be used to capture and remove microparticles from swimming pools and drinking water. There are a number of different chemicals, polymers and natural products used as flocculants, depending on the application.