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bacterial bed; biological filter; percolating filter; trickling filter | |||
bacterial bed A device that removes some suspended solids from sewage. Air and bacteria decompose additional wastes filtering through the sand so that cleaner water drains from the bed | |||
dripper; trickle filter; trickling biofilter |
letto batterico : 4 phrases in 2 subjects |
Chemistry | 1 |
Environment | 3 |