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NAL Agricultural Thesaurus
U.S. Department of Agriculture

Concept Breadcrumbs

Research, Technology, Methods > equipment > sand filters
Preferred Term:

sand filters

Definition:
Devices that remove some suspended solids from sewage. Air and bacteria decompose additional wastes filtering through the sand so that cleaner water drains from the bed.
Concept Schemes:
NALT Full
Broader Concept:
equipment
Related Concepts:
URI:
https://lod.nal.usda.gov/nalt/292315
Download this Concept:
RDF/XMLCreated 2017-02-14, last modified 2020-07-14