filtre bactérien; filtre bactérien goutte-à-goutte

filtre biologique; filtre percolateur; lit bactérien; lit percolateur

trickling filter A system of secondary sewage treatment which is similar to self-purification action of streams; it is more accurately a biological oxidizing bed; the effluent is placed on the stones in the bed and microorganisms present consume the solids as a food supply

environ.

biofiltre m

English thesaurus

Trickling Filter

abbr., mil., WMD

TF

trickling filter

: 13 phrases in 3 subjects

Construction	1
Medical	1
Natural resourses and wildlife conservation	11

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