Water treatment is any process of making water safe for drinking or water recreation and many other uses, including being safely returned to the environment and reduces their concentration so that the water becomes fit for its desired end-use. It involves removing of contaminants to produce water that is pure water for human consumption.
The processes involved removing the contaminants include ;
- Physical processes such as settling and filtration.
- Chemical processes such as disinfection and coagulation.
- Biological processes such as slow sand filtration.
In biological processes, Slow sand filters may be used where there is sufficient land and space, as the water must be passed very slowly through the filter. filters rely on their action rather than physical filtration. They are constructed using graded layers of sand, with the coarsest sand, along with some gravel, at the bottom and finest sand at the top.
In chemical processing,disinfection After the water has been filtered, a disinfectant may be added in order to kill any remaining parasites, bacteria, and viruses, and to protect the water from germs when it is piped to homes and businesses which may use of chlorine or chloramine.Disinfection is accomplished both by filtering out harmful micro-organisms and also by adding disinfectant chemicals.
industrial wastewater treatment covers the mechanisms and processes used to treat wastewater that is produced by industrial or commercial activities. After treatment, the treated industrial wastewater may be reused to a sanitary sewer or to a surface water in the environment.Many industries have a need to treat water so as to obtain very high quality water for demanding purposes. Here are some links where i found my research.