Record nummer 2047274
Titel artikel Evaluating the potential of improving residential water balance at building scale
Auteur(s) Agudelo Vera, C.M. ; Keesman, K.J. ; Mels, A.R. ; Rijnaarts, H.H.M.
Tijdschrifttitel Water research : the journal of the International Association on Water Quality
Deel(Jaar)Nummer 47(2013)20
Paginering 7287 - 7299
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Trefwoorden (cab) watervoorziening / zelfvoorziening / nieuwe sanitatie / watergebruik / vraag / huishoudens / woonwijken / stedelijke gebieden / hydrologische cyclus / duurzame ontwikkeling / regenwateropvang / hergebruik van water
Rubrieken Watervoorziening
Publicatie type Artikel
Taal Engels
Toelichting (Engels) Earlier results indicated that, for an average household, self-sufficiency in water supply can be achieved by following the Urban harvest Approach (UHA), in a combination of demand minimization, cascading and multi-sourcing. To achieve these results, it was assumed that all available local resources can be harvested. In reality, however, temporal, spatial and location-bound factors pose limitations to this harvest and, thus, to self-sufficiency. This article investigates potential spatial and temporal limitations to harvest local water resources at building level for the Netherlands, with a focus on indoor demand. Two building types were studied, a free standing house (one four-people household) and a mid-rise apartment flat (28 two-person households). To be able to model yearly water balances, daily patterns considering household occupancy and presence of water using appliances were defined per building type. Three strategies were defined. The strategies include demand minimization, light grey water (LGW) recycling, and rainwater harvesting (multi-sourcing). Recycling and multi-sourcing cater for toilet flushing and laundry machine. Results showed that water saving devices may reduce 30% of the conventional demand.
Betrokken instanties WUR, Sectie Milieutechnologie
KWR, Watercycle Research Institute
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