An official website of the United States government.

Official websites use .gov
A .gov website belongs to an official government organization in the United States.

Secure .gov websites use HTTPS
A lock ( ) or https:// means you've safely connected to the .gov website. Share sensitive information only on official, secure websites.

Error message

Warning: Attempt to read property "lang" on string in SkosmosClient\Concept->getValueForLang() (line 430 of /app/drupal/agclass/vendor/dcameron/skosmos_client/src/Concept.php).

Concept Breadcrumbs

Preferred Term:

water purification

Definition:
Processes to remove undesirable impurities in water including filtration, chlorination, distillation and ion exchange. It may involve treatment of waste water to provide potable water.
Concept Schemes:
NALT Full
https://lod.nal.usda.gov/nalt-core
Broader Concept:
Narrower Concepts:
Entry Terms:
  • groundwater purification
URI:
https://lod.nal.usda.gov/nalt/142443
Download this Concept:
RDF/XMLCreated 2011-01-24, last modified 2019-02-06