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Upflow anaerobic sludge blanket ( UASB) technology, normally referred to as UASB reactor, is a form of anaerobic digester that is used for wastewater treatment . The UASB reactor is a methanogenic (methane-producing) digester that evolved from the anaerobic clarigester. A similar but variant technology to UASB is the expanded granular sludge ...
Section 312 has another means of addressing sewage discharges, through establishment of no-discharge zones (NDZs) for vessel sewage. A state may completely prohibit the discharge of both treated and untreated sewage from all vessels with installed toilets into some or all waters over which it has jurisdiction (up to 3 miles (4.8 km) from land).
A mound system is an engineered drain field for treating wastewater in places with limited access to multi-stage wastewater treatment systems. Mound systems are an alternative to the traditional rural septic system drain field. They are used in areas where septic systems are prone to failure from extremely permeable or impermeable soils, soil ...
Waste stabilization ponds consist of man-made basins comprising a single or several series of anaerobic, facultative or maturation ponds. [ 11] The presence or absence of oxygen varies with the three different types of ponds, used in sequence. Anaerobic waste stabilization ponds have very little dissolved oxygen, thus anaerobic conditions prevail.
Lobby group Sankat Mochan Foundation (SMF) "is working with GO2 Water Inc., a Berkeley, California, wastewater-technology company" to design a new Sewage treatment system for Varanasi. [46] The Supreme Court of India has been working on the closure and relocation of many of the industrial plants such as Tulsi along the Ganges.
Last December, Pennsylvania American Water Company, which had acquired York’s wastewater treatment plant in 2022, was seeking a $203.9 million rate increase to fund $1 billion in upgrades to the ...
Secondary treatment (mostly biological wastewater treatment) is the removal of biodegradable organic matter (in solution or suspension) from sewage or similar kinds of wastewater. [ 1]: 11 The aim is to achieve a certain degree of effluent quality in a sewage treatment plant suitable for the intended disposal or reuse option.
University of Minnesota's On-Site Sewage Treatment Program offers extensive tips for best maintenance of septic systems, ranging from annual maintenance to daily care, on its website: septic.umn.edu