Influent and effluent data from about 120 small wastewater treatment plants (100 - 2000 PE) have been collected and processed. Seven different types of plants are represented. The effluent quality and the treatment efficiency have been evaluated. The most common type of plant is mechanical/biological treatment plants. Some of them are nitrifying and some are also extended for chemical precipitation of phosphorus. Constructed wetlands and biological sandfilters are also represented among the small wastewater treatment plants.
Evaluation of Small Wastewater Treatment Plants in the County of Århus – Denmark
Jes la Cour Jansen, Bodil Mose Pedersen, Erik Moldt; Evaluation of Small Wastewater Treatment Plants in the County of Århus – Denmark. Water Sci Technol 1 November 1993; 28 (10): 33–41. doi: https://doi.org/10.2166/wst.1993.0201
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