filter bed


Also found in: Dictionary, Thesaurus.

filter bed

[′fil·tər ‚bed]
(civil engineering)
A fill of pervious soil that provides a site for a septic field.
(engineering)
A contact bed used for filtering purposes.

filter bed

A bed of gravel, sand, or the like used to filter water or sewage; also see sand filter.
References in periodicals archive ?
Poorly performed backwash reduces filter bed porosity because it does not fully remove the obstruction of pores by already adhered particles, causing increase in the pressure differential of the device and reduction of removal efficiency in the subsequent filtration process (Staden & Haarhoff, 2011).
To evaluate backwash performance, it was necessary to dirty the filter bed of the analyzed filters (F1, F2 and F3) by applying four filtration rates (TF20-20 [m.
As one of only a handful of large filter bed systems planted across the country, the pounds 255,000 FORE filter bed will dramatically enhance the water quality of the River Blythe running through Solihull, Monkspath and Shirley, according to the company.
Supply of chemicals chlorine gas cylinders for treatment of water supply at prathaparudra filter bed at deshaipet, Gwmc, Warangal.
Based on the successful performance of the first seven Accutronix MX actuators, the city of Bismarck added 107 more actuators, with plans for more than 150, and a second DDC-100 network to serve new filter beds that will treat an additional 40 million gallons per day.
Tenders are invited for Repairing and rewinding of 500kva, 11kv/415volts distribution transformer at mir-alam filter beds, Under electrical and mechanical section, O&m div.
Tenders are invited for Supply, Delivery and fixing of 55kw / 75hp 415v 50hz tefc induction motors suitable for existing pumps of kirloskar make at thattikhana pump house in asif nagar filter beds, Under electrical and mechanical section, O&m div.
Supply, Delivery and fixing of 55kw/75hp 415v 50hz 1440rpm tefc induction motors suitable for existing pumps of kirloskar make at thattikhana pump house in asif nagar filter beds, Under electrical and mechanical section,o&m division no.
Contract award notice: Supply and installation of metallic tanks for filter beds in granular material at drinking water treatment plants in the municipalities of the metropolitan city of milan, Provinces of monza and brianza, Varese and pavia divided into n.
Tenders are invited for Repairs to filter house and filter beds of 2 mgd water treatment plant at sundarayya colony in ward no.