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Following the legislative developments in Switzerland and Germany, Austria is now also opting for madatory P recovery from municipal sewage sludge. The draft Federal Waste Plan 2017 (Bundes-Abfallwirtschaftsplan) includes a ban of direct land application or composting for sewage sludge generated at Wastewater Treatment Plants with capacities of 20,000 p.e. or above within a transition phase of 10 yeras. (see chapter 7.5 in the waste plan part 1, link below). Alternatively, these WWTP will have to recover the P from sludge onsite targeting P contents below 20 g P / kg dry solids or have to deliver their sludge to sludge mono-incinerators. The P is then to be reovered from the sewage sludge ashes obtained. This regulation will cover 90% of the P contained in the Austrian municipal wastewater.

Link to Austrian Ministry of the Environment and draft waste plan:
https://www.bmlfuw.gv.at/greentec/bundes-abfallwirtschaftsplan/BAWP2017.html

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