Flocculation, in the field of chemistry, is a process in which colloids come out of suspension in the form of floc or flake, either spontaneously or due to the addition of a clarifying agent. The action differs from precipitation in that, prior to flocculation, colloids are merely suspended in a liquid and not actually dissolved in a solution .
Coagulants and flocculants used to treat placer mine effluent will increase treatment costs over no treatment or treatment with settling ponds alone. However, chemical treatment may be the most effective means of reducing sediment pollution, especially in areas where fine clays are abundant. Chemical treatment may be most effective when
Flocculation. Predominant uses of flocculation is in water and wastewater treatment, such as drinking water treatment, sewage water treatment, storm water treatment and treatment of various other industrial wastewater streams. Flocculation is also used in brewing, especially to measure the progress of brewing yeast at the end
Flocculants amp; Coagulants Flocculation and coagulation treatment chemicals are used in effluent water treatment processes for solids removal, water clarification, lime softening, sludge thickening, and solids dewatering.
and microflocs are formed, flocculants are often added to bring the microfloc particles together. Modern syn thetic flocculants have gained widespread acceptance in a number of industrial applications. These prod ucts can be, and often are, tailor made to fit a num ber of applications to provide a cost efficient method of improving plant productivity.
General and 7 most commonly used coagulants in water treatment plant is under 1.Alum (aluminum sulfate), Al 2 (SO 4 ) 3 . Still, the most common coagulant in the United States, it is often used in conjunction with cationic polymers.
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Coagulants and Flocculants Coagulants and flocculants are formulated to assist in the solids/liquid separation of suspended particles in solution. Such particles are characteristically very small and the suspended stability of such particles (colloidal complex) is due to both their small size and to the electrical charge between particles.
higher raw water quality. Conventional plants can have adjustable mixing speeds in both the rapid mix and slow mix equipment. Multiple feed points for coagulants, polymers, flocculants, and other chemicals can be provided and there is generally enough space to separate the feed points for incompatible chemicals.