concepts
type: Collection
type: ConceptGroup
member: water purification

waste management
type: Concept
narrower: water purification

water purification
type: Concept
broader: waste management
definition: Water purification or the removal of water contaminants is an important field of application of nanotechnologies. Water purification is necessary when water is contaminated, for example, after accidental or illegal discharge of waste water and toxic substances into inland water reaching groundwater, or also into the open sea. [Source: Encyclopedia of Nanoscience and Society; Water Purification]