biofiltrationn.

Brit.

/ˌbʌɪəʊfɪlˈtreɪʃn/, U.S.

/ˌbaɪoʊfᵻlˈtreɪʃən/

Origin: Formed within English, by compounding. Etymons: bio- comb. form, filtration n.

Etymology: < bio- comb. form + filtration n. Compare biofilter n.

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).

单词	biofiltration
释义	biofiltrationn. Brit. /ˌbʌɪəʊfɪlˈtreɪʃn/, U.S. /ˌbaɪoʊfᵻlˈtreɪʃən/ Origin: Formed within English, by compounding. Etymons: bio- comb. form, filtration n. Etymology: < bio- comb. form + filtration n. Compare biofilter n. 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). < n.1936
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