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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.
Code enforcement officers cited the property owner three times in 2011, and have issued a brand new batch of citations for the sewage and other building safety issues. Show comments Advertisement
To address the nationwide problem of stormwater pollution, Congress broadened the CWA definition of "point source" in 1987 to include industrial stormwater discharges and municipal separate storm sewer systems ("MS4"). [30] These facilities are required to obtain NPDES permits. This 1987 expansion was promulgated in two phases.
A sanitary manhole (sewer manhole, [1] sanitary sewer manhole [2] or sewer maintenance hole [3]) is a manhole that is used as an access point for maintenance and inspection of an underground sanitary sewer system. Sanitary manholes are sometimes used as vents to prevent the buildup of pressurized sewage gas. [4]
Thermal hydrolysis systems are operating at sewage treatment plants in Europe, China and North America, and can generate electricity as well as high quality sludge. [ 31 ] The use of a green approach, such as phytoremediation , has been recently proposed as a valuable tool to improve sewage sludge contaminated by trace elements and persistent ...
Disposable wipes that are made by cleaning companies for personal use, cleaning toilets, etc. are causing problems in communities around the United States. [1] Not only do people clog their household plumbing, they are causing problems with household grinder pumps, lift stations, and sewage treatment plants. [2]
Sludge incineration is a sewage sludge treatment process using incineration.It generates thermal energy from sewage sludge produced in sewage treatment plants. The process is in operation in Germany where Klärschlammverbrennung GmbH in Hamburg incinerates 1.3m tonnes of sludge annually.
Effluent sewer systems, also called septic tank effluent gravity (STEG), solids-free sewer (SFS), or septic tank effluent drainage (STED) systems, have septic tanks that collect sewage from residences and businesses, and the liquid fraction of sewage that comes out of the tank is conveyed to a downstream receiving body such as either a ...