Water purification
From The Art and Popular Culture Encyclopedia
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Water purification is the process of removing undesirable chemicals, biological contaminants, suspended solids and gases from water. The goal is to produce water fit for a specific purpose. Most water is disinfected for human consumption (drinking water), but water purification may also be designed for a variety of other purposes, including fulfilling the requirements of medical, pharmacological, chemical and industrial applications. The methods used include physical processes such as filtration, sedimentation, and distillation; biological processes such as slow sand filters or biologically active carbon; chemical processes such as flocculation and chlorination and the use of electromagnetic radiation such as ultraviolet light.
See also
- List of water supply and sanitation by country
- Microfiltration
- Organisms involved in water purification
- Portable water purification
- Water softening
- Water conservation
- Water recycling
- Water treatment