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2. Aerobic treatment system - Wikipedia

   en.wikipedia.org/wiki/Aerobic_treatment_system

   Aerobic treatment system. An aerobic treatment system (ATS), often called an aerobic septic system, is a small scale sewage treatment system similar to a septic tank system, but which uses an aerobic process for digestion rather than just the anaerobic process used in septic systems. These systems are commonly found in rural areas where public ...

3. Manual scavenging - Wikipedia

   en.wikipedia.org/wiki/Manual_scavenging

   Manual scavenging is a term used mainly in India for "manually cleaning, carrying, disposing of, or otherwise handling, human excreta in an insanitary latrine or in an open drain or sewer or in a septic tank or a pit". [1][2] Manual scavengers usually use hand tools such as buckets, brooms and shovels. The workers have to move the excreta ...

4. Septic tank - Wikipedia

   en.wikipedia.org/wiki/Septic_tank

   Groundwater pollution, water pollution e.g. during floods [ 1 ] A septic tank is an underground chamber made of concrete, fiberglass, or plastic through which domestic wastewater (sewage) flows for basic sewage treatment. [ 2 ] Settling and anaerobic digestion processes reduce solids and organics, but the treatment efficiency is only moderate ...

5. Septic drain field - Wikipedia

   en.wikipedia.org/wiki/Septic_drain_field

   Septic drain fields, also called leach fields or leach drains, are subsurface wastewater disposal facilities used to remove contaminants and impurities from the liquid that emerges after anaerobic digestion in a septic tank. Organic materials in the liquid are catabolized by a microbial ecosystem. A septic drain field, a septic tank, and ...

6. Anaerobic digestion - Wikipedia

   en.wikipedia.org/wiki/Anaerobic_digestion

   v. t. e. Anaerobic digestion is a sequence of processes by which microorganisms break down biodegradable material in the absence of oxygen. [1] The process is used for industrial or domestic purposes to manage waste or to produce fuels. Much of the fermentation used industrially to produce food and drink products, as well as home fermentation ...

7. Wastewater treatment - Wikipedia

   en.wikipedia.org/wiki/Wastewater_treatment

   Wastewater treatment. Wastewater treatment is a process which removes and eliminates contaminants from wastewater. It thus converts it into an effluent that can be returned to the water cycle. Once back in the water cycle, the effluent creates an acceptable impact on the environment. It is also possible to reuse it.