Search results for "Nutrient recovery"

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RAVITA Technology : new innovation for combined phosphorus and nitrogen recovery

2018

Abstract Present phosphorus (P) recovery technologies mainly contain P recovery from sludge liquor or ash. These types of technologies are suitable for large wastewater treatment plants (WWTPs) with enhanced biological phosphorus removal (EBPR), digestion and/or incineration. In Finland and other Nordic countries, strict P discharge limits require chemical precipitation, thus EBPR alone is not sufficient. Ammonium recovery from wastewater, on the other hand, is not so often discussed. However, recovery from WWTP reject waters would decrease the energy demand of ammonium synthesis by Haber-Bosh technology and the energy demand of the WWTP's biological process. Helsinki Region Environmental S…

chemical precipitationEnvironmental Engineeringwastewater effluentNitrogenAmmonium phosphate0208 environmental biotechnologychemistry.chemical_element02 engineering and technologyjätevesiScandinavian and Nordic Countries010501 environmental sciencesWaste Disposal Fluid01 natural sciencesjätevesilietechemistry.chemical_compoundtyppinutrient recoveryhaitalliset aineetWater Pollutantshazardous substancesAmmoniumta215Phosphoric acidfosforiFinlandta2180105 earth and related environmental sciencesWater Science and Technologyjäteveden käsittelysaostusSewagephosphorus removalPhosphorusPhosphorusPulp and paper industry020801 environmental engineeringIncinerationEnhanced biological phosphorus removalchemistryWastewatertalteenottovaaralliset aineetEnvironmental scienceSewage treatment

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