← home / Tools / Vacuum toilets (1 liter per flush)⚙● toolVacuum toilets (1 liter per flush)Practices that use itSUPERLOCAL - gesloten waterkringloop (closed water cycle), KerkradeDemonstration circular neighbourhood in Bleijerheide (Kerkrade, Limburg) where materials from two vacant social housing towers are reused to build ~130 homes and a closed water cycle is implemented at neighbourhood scale: rainwater is collected, stored and treated to drinking quality in a decentralized modular plant; greywater is treated in a helophyte filter for reuse; and blackwater from vacuum toilets (1 litre per flush) is digested to produce biogas and fertilizer. It is one of the first attempts in the Netherlands to produce drinking water from rainwater at neighbourhood scale.● Active· scale local
