Trickling filter

https://www.wikidata.org/wiki/Q1751102

Field Hierarchy

Parent
Engineering 25M papers	Environmental science 8.8M papers	Waste management 1.6M papers	Environmental engineering 971k papers
Wastewater 242k papers	Sewage treatment 118k papers	Effluent 108k papers
Current
Trickling filter 1,640 papers
Child

Trends

Notes

History