7 articles
Anaerobic lagoon
Anaerobic lagoon: an earthen impoundment treating livestock manure and wastewater without oxygen, also called a covered lagoon digester when capped for methane capture; sized at 0.04–0.30 kg/m³/d loading, 2.4–6 m deep.
Anaerobic membrane bioreactor
An anaerobic membrane bioreactor (AnMBR) is a wastewater treatment system pairing anaerobic digestion with membrane filtration, first introduced in South Africa in the 1980s and used mainly for industrial wastewater.
Covered anaerobic lagoon
Covered anaerobic lagoon: an earthen waste-treatment basin with a flexible cover that traps biogas from anaerobic digestion of manure or wastewater. Also called covered lagoon digester (CLD); low-cost, unheated, suited to under-3%-solids liquid waste in warm climates.
Expanded granular sludge bed digestion
Expanded granular sludge bed digestion is a high-rate anaerobic wastewater treatment process using a tall upflow reactor of granular sludge, developed from the UASB reactor in the late 1980s.
Imhoff tank
The Imhoff tank, patented as the Emscherbrunnen in 1906, is a two-story wastewater treatment tank that settles sewage in an upper compartment and digests the sludge anaerobically below.
Upflow anaerobic sludge blanket digestion
Upflow anaerobic sludge blanket (UASB) digestion, invented by Gatze Lettinga in the Netherlands (1976, 1980), is a high-rate anaerobic wastewater treatment in which upward flow through self-granulating sludge (1–3 mm granules, 12–20 kg COD/m³·d) enables compact, low-cost treatment with methane recovery.
Western Treatment Plant
The Western Treatment Plant (Werribee Sewage Farm) is Melbourne Water's lagoon-based sewage treatment plant at Werribee, Victoria, treating about half of Melbourne's sewage on 10,500 hectares, energy self-sufficient on biogas, and part of a Ramsar wetland with over 300 bird species.