Trickling filter

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

Field Hierarchy

Parent
Engineering 25.6M papers	Environmental science 9M papers	Waste management 1.6M papers	Environmental engineering 994k papers
Wastewater 250k papers	Sewage treatment 121k papers	Effluent 110k papers
Current
Trickling filter 1,649 papers
Child

Trends

Notes

History