These joined particles are referred to as microflocs. Thus, in terms of water treatment, both can be differentiated easily. In industrial processes, flocculation may be a Flocculation is another important step in water treatment and it involves in the formation of visible flocs by mechanical or physical mixing. This knowledge will provide a basis for understanding the needs of the Basically, coagulation is a process of addition of coagulant to destabilize a stabilized charged particle. Coagulation involves the use of a coagulant which has the potential to de-stabilize the previously stabilized charged particles in the suspension. Coagulation does not involve physical mixing process. 3/31/2016 2 Why coagulation and flocculation? Restoration of water quality is assured during water treatment. Coagulation is a chemical process and flocculation is a physical process, In coagulation, the process involves the utilization of a coagulant that has the ability to destabilize the charged particles which are not settleable whilst flocculation involves a similar destabilization process that is achieved through physical mixing and by adding organic polymers. As early as 2000 BC the Egyptians used almonds smeared around vessels to clarify river water. Flocculation: The flocculant is often a polymer which induces the settling of particles and eventually grows into larger flake. Coagulants and Flocculation In the precipitation process, chemical precipitants, coagulants, and flocculantation are used to increase particle size through aggregation. In contrast, in flocculation, the de-stabilization is brought about by physical techniques such as mixing of the solution, and also sometimes by the addition of polymers. Coagulation involves the use of a coagulant which has the potential to de-stabilize the previously stabilized charged particles in the suspension. Coagulation and Flocculation LOKESH SAINI M.Tech-I´st Semester Student ID 2015PCE5271 3/31/2016 1 2. This is achieved by adding a coagulant that possesses an opposite charge to that of the suspended solids. “Alum Whilte” By Miansari66 – Own work (Public Domain) via Commons Wikimedia, “Flocculation4” By Brittany2442 – Own work (CC BY-SA 3.0) via Commons Wikimedia. Coagulation, Flocculation and Clarification of Drinking Water Terry L. Engelhardt Application Development Manager Drinking Water Hach Company Photo by author The intent of this paper is to provide cursory information about coagulation, flocculation and clarification. Coagulation mostly happens in a rapid mixing tank for a few minutes. Coagulation involves the use of a coagulant which has the potential to de-stabilize the previously stabilized charged particles in the suspension. Sedimentation : * 1 Point Can Be Before Coagulation And After Flocculation Must Be Always After Flocculation Is Placed At The End Of Water Clarification Should Be Considered Directly After Coagulation 1 Point 2. It means that these particles should not settle or it should take a very long time to settle. In contrast, in flocculation, the de-stabilization is brought about by physical techniques such as mixing of the solution, and also sometimes by the addition of polymers. Flocculation, in physical chemistry, separation of solid particles from a liquid to form loose aggregations or soft flakes. These particles form clumps with the help of a coagulant. In flocculation, the de-stabilization of the suspension is more or less a result of physical processes rather than chemical. Coagulation, Flocculation and Clarification of Drinking Water Terry L. Engelhardt Application Development Manager Drinking Water Hach Company Photo by author The intent of this paper is to provide cursory information about coagulation, flocculation and clarification. 1. The dispersed substance is usually referred to as ‘colloids’, and the suspension is known as a colloidal suspension. Difference Between Coagulation and Flocculation, Difference Between Primary and Secondary Cells. Aggregation is a see also of flocculation. There are three steps: 1. Similarities Between Coagulation and Flocculation in Water Treatment in Molecular and Applied Microbiology, and PhD in Applied Microbiology. Terms of Use and Privacy Policy: Legal. The coagulant reacts with the particles or colloids in the suspension and imbalances its chemical charge. This allows the increment of the size of the coagulated clumps which are submicroscopic microflocs to a stage where they appear as visible suspended particles. Coagulation is a process used to neutralise charges and form a gelatinous mass to trap (or bridge) particles thus forming a mass large enough to settle or be trapped in the filter. Therefore, the large clumps or the large precipitate could be easily separated and removed from the medium. Flocculant such as an organic polymer that involves in bridging and strengthening the flocs is added. However, they can be commonly adopted for de-stabilizing any suspension system. She was an Assistant Lecturer in Chemistry and has extensive experience in fragrance development management. Coagulation and flocculation are used to separate the suspended solids portion from the water. Flocculation: The process of agglomeration of the destabilized particles to such a size that separation by sedimentation and filtration is possible. Comparison – coagulation vs flocculation in water, such as an organic polymer that involves in bridging and the. 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