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Green technology development in Pölva WWTP

2019; Linguagem: Inglês

10.15626/eco-tech.2001.037

2002-8008

Kristo Kärmas, Karin Hellat, Toomas Tenno,

Ammonia Synthesis and Nitrogen Reduction

Polva Wastewater Treatment Plant (WWTP) was reconstructed in 1997 when water treatment technology and all facilities ( except facilities for surplus sludge management) were innovated.Today Polva WWTP treats 650 000 me 3 wastewater annually, 50% of sewage is municipal (town Polva), the other 50% originates from diary "Polva Piim", that is the main employer of the town and at the same time shareholder of the Polva WWTP (together with town government).Main building d P61Ya w-er TrNtmM11 Plant The average parameters of wastewater (inlet) and treated water ( outlet) are presented in table I.