What I Can Teach You About Treatments

Stages Involved in Sewage Treatment The act of removing contaminants in wastewater from households is known as sewage treatment. In a water treatment plan, biological, chemical and physical processes are used to remove contaminants found in the sewage for the water to be safe for the environment. Before treatment, sewage usually occurs in a slurry or a semi-solid state which is known as sludge. There are various treatment stages that the sludge goes through for it to be suitable for disposal or land use. Another term used to refer to sewage treatment is wastewater treatment. Sewage is usually generated by commercial, residential, industrial as well as institutional establishments. Sewage usually includes dirty water from toilets, bathrooms, kitchens, sinks, showers among other household water which goes into the sewers. Sewage from the sewers is carried into the treatment plant using large pipes put in place. During treatment of sewage, there are a variety of stages involved since it’s a process. Bottles, rags, face wipes, sanitary, diapers and other large contaminants are usually removed from the wastewater during the first stage known as screening. These objects are removed first in order to prevent them from damaging the equipment used in the plant and prevent blockage as well. The grit that is washed into the sewer is gotten rid of by using special equipment. Separation of wastewater from organic solid matter is usually the second stage of sewage treatment. Basically, organic solid matter is human waste and it is removed by getting the sewage into settlement tanks. In doing so, solid waste sinks to the bottom of the and is basically referred to as sludge. In the treatment plant, there are large scrappers used to scrape away the solid waste settled at the bottom of the tanks and is pushed to another compartment where further treatment is carried out. There are aeration lanes in these treatment plants whereby wastewater is put once sludge has been scrapped off. Any bacteria present in the water is used to break down small bits of sludge that might have gone through during the scrapping stage.
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The wastewater is then taken to a settlement tank during the final treatment stage. Once the bacteria acts on the small pieces of sludge, they settle down at the bottom of the tank. Once this happens, the water becomes free from any chemicals or other harmful substances. Filtration is the final stage where wastewater goes through a wall made of sand in order to remove any additional particles.
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The water that is released into the environment after the treatment process is usually devoid of any toxins or contaminants which is why this process is very useful. Once the water is purified, people get to reuse it in their homes for domestic purposes without letting it go to waste.