trickling filter


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trickling filter

[′trik·liŋ ‚fil·tər]
(civil engineering)
A bed of broken rock or other coarse aggregate onto which sewage or industrial waste is sprayed intermittently and allowed to trickle through, leaving organic matter on the surface of the rocks, where it is oxidized and removed by biological growths.
References in periodicals archive ?
There is a pre-treatment pond (v = 1,600 m 3 , A = 1 230 m 3 ), A trickling filter (v = 130 m 3 ) and secondary settling oak (v = 810 m 3 , A = 860 m 3 ).
If you have a highly concentrated population of tilapia, you could re-circulate the water in the system which is going through a trickling filter," he said.
The Walvis Bay Municipality contracted Aqua Services & Engineering to upgrade existing stone-media biofilters to the company's flagship trickling filter technology, for improved waste water treatment.
She said that initial lab-scale studies have proved that Constructed wetlands, Dual digestion system and Trickling filter system technologies can be treat domestic wastewater to such an extent that it can be used for irrigational purposes.
Overgrowth of bacteria leading to 'channelling' is an issue with common market process designs such as submerged aerated filters (SAF), rotating biological contactors (RBC) or trickling filter (TF) designs.
Trickling filter and anaerobic digestion were ineffective at removing E-13 and E-6.
The Wright Smith wastewater treatment facility, a trickling filter sewer plant designed to process 12.
The sewage treatment plant untergriesbach was built in 1978 as a trickling filter system for 4,000 pe.
has caused several problems in sustaining nitrification in trickling filter due to thin biofilms.