Water Treatment Fundamentals

Enhancing the quality water involves disinfection plus purification of untreated surface and ground water.

Community Level. A public/private water treatment facility aims to produce water safe to drink and pleasant to taste, while also being sure that there’s enough water to produce the needs of the community.

Raw, untreated water emanates from an underground aquifer (via wells) or surface streams being a river or lake. It flows or possibly pumped into a rehab facility. The minute it’s there, water is treated beforehand to remove debris - like leaves and silt. That undergoes a few treatment processes, which include disinfection and filtration using chemicals or physical processes, eliminating microorganisms that cause diseases. As soon as the treatment solutions are completed, water flows out by having a system of pumps and pipes, which is often known as the distribution system.

There is a slight difference water treatment process at various places, depending on the technology from the plant and water must be processed, however the fundamental principles are generally exactly the same.

Coagulation / Flocculation. In the coagulation state, liquid aluminium sulfate or alum, at times polymer, is put in untreated/raw water. This mix causes tiny dirt particles in water being fastened together or coagulated. Then, collections of dirt particles join together to create bigger, heavier particles - known as flocs - that happen to be easily removed through filtration/settling.

Sedimentation. When water and floc particles glance at the course of treatment, they flow into sedimentation basins where water moves slowly, letting heavy floc particles dip towards the bottom. Floc collected about the lowermost area of the basin is termed sludge. This goes through pipes to achieve the drying lagoons. The sedimentation state just isn’t incorporated into Direct Filtration therefore, the floc is taken away through filtration.

Filtration. Water experiences a filter that will remove water particles. Filters contain layers of gravel and sand, and in other cases, crushed anthracite. Filtration gathers the suspended water impurities and enhances the efficacy of disinfection. The filters are cleaned regularly through backwashing.

Disinfection. Before water switches into the distribution system, it can be disinfected to make sure that bacteria that triggers diseases, parasites and viruses is eliminated. Chlorine is employed mainly because it a great in disinfecting and maintaining residual concentration to safeguard from possible biological contamination present in it of water distribution.

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