biofiltrationn.
/ˌbʌɪəʊfɪlˈtreɪʃn/, U.S. /ˌbaɪoʊfᵻlˈtreɪʃən/ The capture and removal of pollutants from liquids or gases using living organisms or their products.
ΚΠ
1936 H. N. Jenks in Engin. News-Record May 721/1 The term 'Bio-Filtration' designates the principle of repeatedly passing sewage at high rates of application through a small volume of rock filter medium.
1942 Public Health Rep. (U.S. Public Health Service) 57 623 A single-stage biofiltration plant has been installed at Camp Polk, La.
1998 Water & Waste Treatm. June 40/4 After primary settlement, the flows are treated by biofiltration.
2001 Trop. Fish Hobbyist June 47/1 You also get a beautiful display of marginal plants while providing enormous biofiltration, filtration that is often enough to completely eliminate algae problems.
This is a new entry (OED Third Edition, November 2010; most recently modified version published online December 2021).
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n.1936- in that way
- in the absence of
- in the abstract
- in the account of
- in the act
- in the act of
- in the affirmative
- in the aggregate
- in the aggregative
- in the air
- in the aisles
- in the also vicinage
- in the altogether
- in the amidst of
- in the arms of
- in the arms of a person
- in the arms of morpheus
- in the arms of murphy
- in the article formerly also articles of death
- in the article of
- in the article of death
- in the ascendant
- in the backhouse ditch
- in the bag
- in the balance