KlimaPhoNds

Climate-neutral and residual-free Sewage sludge recycling with phosphoric acid production in Southeastern Lower Saxony.

Joint project under the leadership of the wastewater process engineering department of CUTEC, project management: Prof. Dr.-Ing. Michael Sievers, duration: 01.10.2020 - 30.09.2023, funding source: BMWK as part of the RePhoR announcement.

As part of its sustainability policy, the German government places particular emphasis on the future recycling of the element phosphorus. This substance is needed by humans, animals and plants. It cannot be replaced by any other element in all living organisms.

The KlimaPhoNds concept includes decentralized phosphate extraction at wastewater treatment plants and, building on this, central refinement of phosphate precipitation products such as magnesium ammonium phosphate (MAP) from various wastewater treatment plants into phosphoric acid and P-precipitant recyclates, as well as (virtual) regional recycling of marketable fertilizers. It aims at sustainability in several respects: the planned P extraction and recycling is climate-friendly orCO2 emission-reducing and at the same time raw material- and cost-efficient.

The joint project is strongly application-oriented. In addition to the CUTEC research center, the partners Lukson AG (Mönchengladbach), PARFORCE Engineering & Consulting GmbH (Freiberg), Abwasserentsorgung Wolfenbüttel AöR, EBA Northeim and Knoke Industrie-Montagen GmbH (Salzgitter) are represented. In CUTEC, the deptn. AVT, RTS and TP, whereby AVT is in charge.

The task of the TP department is the R&D work for the calcination of MAP, i.e. removal of ammonia, organic impurities and water as well as the coordination of the corresponding work package.

Contact: Dipl.-Ing. Felix Müller