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  2. Sequencing batch reactor - Wikipedia

    en.wikipedia.org/wiki/Sequencing_batch_reactor

    The tanks have a “flow through” system, with raw wastewater (influent) coming in at one end and treated water (effluent) flowing out the other. In systems with multiple tanks, while one tank is in settle/decant mode the other is aerating and filling. In some systems, tanks contain a section known as the bio-selector, which consists of a ...

  3. Sewage treatment - Wikipedia

    en.wikipedia.org/wiki/Sewage_treatment

    Sewage treatment (or domestic wastewater treatment, municipal wastewater treatment) is a type of wastewater treatment which aims to remove contaminants from sewage to produce an effluent that is suitable to discharge to the surrounding environment or an intended reuse application, thereby preventing water pollution from raw sewage discharges. [2]

  4. List of equipment of the Philippine Army - Wikipedia

    en.wikipedia.org/wiki/List_of_equipment_of_the...

    The Philippine Army is also studying an offer from the Japanese Ministry of Defense for the possible donation of the Type 74 main battle tank. [157] Negotiations for similar developments are currently ongoing, yet little is known within the planned offer.

  5. Septic tank - Wikipedia

    en.wikipedia.org/wiki/Septic_tank

    A septic tank is an underground chamber made of concrete, fiberglass, or plastic through which domestic wastewater flows for basic sewage treatment. [2] Settling and anaerobic digestion processes reduce solids and organics, but the treatment efficiency is only moderate (referred to as "primary treatment"). [2]

  6. List of abbreviations used in sanitation - Wikipedia

    en.wikipedia.org/wiki/List_of_abbreviations_used...

    STP - Sewage treatment plant; SRHR - Sexual and reproductive health and rights; SRT - Solids retention time, see also Activated sludge; SS - Suspended solids; SSA - Sub-Saharan Africa; SSLA - Sanitation Service-level agreement; SSP - Sanitation safety planning; closest page might be Water safety plan; SuSanA - Sustainable Sanitation Alliance

  7. Membrane bioreactor - Wikipedia

    en.wikipedia.org/wiki/Membrane_bioreactor

    In systems where the membranes are in a separate tank from the bioreactor, individual trains of membranes can be isolated to undertake cleaning regimes incorporating membrane soaks, however, the biomass must be continuously pumped back to the main reactor to limit mixed liquor suspended solids concentration increases.

  8. Philippine military condemns Chinese coast guard's use of ...

    www.aol.com/news/philippine-military-condemns...

    The Philippine military on Sunday condemned a Chinese coast guard ship's “excessive and offensive” use of a water cannon to block a Filipino supply boat from delivering new troops, food, water ...

  9. List of abbreviations in oil and gas exploration and production

    en.wikipedia.org/wiki/List_of_abbreviations_in...

    MLWN – mean low water neaps; MLWS – mean low water springs; mm – millimetre (SI unit) MM – prefix designating a number in millions (thousand-thousand) MMbod – million barrels of oil per day; MMboe – million barrels of oil equivalent; MMboed – million barrels of oil equivalent per day; MMbpd – million barrels per day