SS6892 : Digestion tanks at Welsh Water waste water treatment plant

taken 8 years ago, 3 km from Pentre-Dwr, Swansea/Abertawe, Great Britain

Digestion tanks at Welsh Water waste water treatment plant
Digestion tanks at Welsh Water waste water treatment plant
The water from the sewers spends less than 8 minutes on its journey through the plant - being filtered, having the bacteria eaten by microbes and then being blasted by UV lamps to kill everything off.
However, the solid organic matter ends up spending tens of days in these digestion tanks being turned into a compost-like low grade fertilizer. The fertilizer is primarily used on forest land, having fallen out of favour with food producers.
The spherical tank holds the methane byproduct which is burned to provide heat and some of the electricity to run the facility.
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SS6892, 3 images   (more nearby )
Photographer
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Date Taken
Sunday, 13 September, 2009   (more nearby)
Submitted
Monday, 14 September, 2009
Category
Sewage works   (more nearby)
Subject Location
OSGB36: geotagged! SS 6896 9297 [10m precision]
WGS84: 51:37.2151N 3:53.6546W
Camera Location
OSGB36: geotagged! SS 6890 9298
View Direction
EAST (about 90 degrees)
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