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Directions in Swedish research on wastewater handling with respect to energy and resource utilization
KTH, School of Architecture and the Built Environment (ABE), Land and Water Resources Engineering (moved 20130630), Water, Sewage and Waste technology.
KTH, School of Architecture and the Built Environment (ABE), Land and Water Resources Engineering (moved 20130630), Water, Sewage and Waste technology.
2009 (English)In: Proceedings of the 1st International Congress: Environment protection. Energy saving. Balanced use of natural resources, 2009Conference paper, Published paper (Refereed)
Abstract [en]

A change in research priorities has gradually occurred in many European countries in order tocomply with sustainability principles. At present new technologies should meet requirements of sustainabledevelopment and multi-disciplinary approach is applied. Research activities in Sweden related towastewater handling have been focused on optimizing the existing systems and the development of newmethods with respect to energy and resources utilization.The article presents recent results from research on biological nitrogen removal with Anammoxprocess application. This new nitrogen conversion pathway can be applied for treatment of ammonium richwastewater, including leachates from landfills and supernatants from dewatering of digested sludge withthe purpose to decrease nitrogen discharges into waters. The introduction of deammonification processbased on nitritation/Anammox can reduce the costs of plant operation due to less aeration and no externalsource of carbon demand in comparison to the traditional nitrification/denitrification.Pharmaceuticals found in wastewater are passing through the wastewater treatment plant untreated andcause environmental problems. The application of membrane bioreactor system followed by granular activatedcarbon filtration has been studied as the efficient technology for removal of pharmaceutical compounds.The growing quantities of sludge from wastewater treatment plants and stringent restrictions onlandfilling and on agricultural use of sludge have gained research on sludge fractionation, product recoveryand separation of toxic substances. Phosphate release and recovery from treated sewage sludge has beeninvestigated and experiments were performed on sludge residue from supercritical water oxidation, ashfrom incineration and dried sludge at different temperatures. In the article future main research areas inwastewater handling planned to be investigated in Sweden are also specified.

Place, publisher, year, edition, pages
2009.
National Category
Water Engineering
Identifiers
URN: urn:nbn:se:kth:diva-86207OAI: oai:DiVA.org:kth-86207DiVA: diva2:500492
Conference
1st International Congress: “Environment protection. Energy saving. Balanced use of natural resources”. Lviv, Ukraine, 28-29 of May 2009
Note
QC 20120417Available from: 2012-02-13 Created: 2012-02-13 Last updated: 2012-04-17Bibliographically approved

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