October 2018 ยท 2 minute read

Increasing 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 consume and pleasant to taste, while ensuring there is enough water to supply the requirements of the neighborhood.

Raw, untreated water arises from an underground aquifer (via wells) or surface water sources just like a river or lake. It flows or possibly pumped with a rehab facility. The second it’s there, the water is treated beforehand to remove debris - like leaves and silt. This goes through a few treatment processes, such as disinfection and filtration using chemicals or physical processes, eliminating microorganisms that cause diseases. When the treatment is completed, water flows out through a system of pumps and pipes, which are often known as the distribution system.

You will find there’s slight difference of water treatment process at various places, using the technology with the plant and water would have to be processed, but the fundamental principles are generally the same.

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

Sedimentation. When water and floc particles go through the treatment process, they flow into sedimentation basins where water moves slowly, letting heavy floc particles dip towards the bottom. Floc collected around the lowermost area of the basin is called sludge. This holds through pipes to reach the drying lagoons. The sedimentation state is not incorporated into Direct Filtration and so, the floc is removed through filtration.

Filtration. Water undergoes a filter designed to remove water particles. Filters contain layers of gravel and sand, along with other cases, crushed anthracite. Filtration gathers the suspended water impurities and boosts the efficacy of disinfection. Filters are cleaned on a regular basis by means of backwashing.

Disinfection. Before water retreats into the distribution system, it can be disinfected to make sure that bacteria that causes diseases, parasites and viruses is eliminated. Chlorine can be used as it a very effective in disinfecting tweaking residual concentration to shield from possible biological contamination present in the system water distribution.

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