Neptune project deliverable D2.2

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Courtesy of IWA Publishing

New approaches for a sustainable WWTP design

Within WP2 in the Neptune project, promising technologies were developed and further investigated for sustainable wastewater treatment, where wastewater is regarded as a resource rather than a waste. These technologies comprise bioelectrochemical systems for energy recovery, denitrification and production of value-added products. Two technologies were developed for the removal of micropollutants; i.e. ferrate oxidation, which can be used for the combined removal of pharmaceuticals and phosphate, and biogenic manganese oxides, which permit both the chemical and biological removal of pharmaceuticals. Phosphorus and heavy metal recovery with pyrolysis and biopolymer production from sewage sludge are two techniques developed for sludge revalorization. The previous deliverable 2.1 “Novel technologies for wastewater and sludge treatment”described the above-mentioned technologies in detail. An up-to-date picture of these novel technologies was provided with new insights obtained during the Neptune project. In this deliverable 2.2 “New approaches for a sustainable WWTP design” the applicability of these technologies to a wastewater treatment system is discussed. Information on where and how these processes could fit into a wastewater treatment plant (WWTP) of the future is provided in relation to the technologies’ advantages and limitations and estimated costs if available.

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