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Standard
ISO 9111
First edition
Water reuse in urban areas —
2024-06
Guidelines for benefit evaluation of
reclaimed water use
Recyclage des eaux dans les zones urbaines — Lignes directrices
concernant l'évaluation des avantages de l'utilisation d'eau
réutilisée
Reference number
ISO 9111:2024(en) © ISO 2024
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ISO 9111:2024(en)
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© ISO 2024
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Published in Switzerland
© ISO 2024 – All rights reserved
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ISO 9111:2024(en)
Contents Page
Foreword .iv
Introduction .v
1 Scope . 1
2 Normative references . 1
3 Terms and definitions . 1
4 Abbreviated terms . 2
5 General . 2
6 Indicators of benefit evaluation of reclaimed water use . 2
6.1 Holistic indicator system .2
6.2 Resource benefits .3
6.2.1 Conventional water resource savings .3
6.2.2 Energy resource recovery .3
6.2.3 Carbon resource recovery .4
6.2.4 Phosphorous resource recovery.4
6.3 Ecological and environmental benefits .5
6.3.1 Reduction of contaminants .5
6.3.2 Reduction of electricity use .5
6.3.3 Reduction of greenhouse gas (GHG) emissions .6
6.3.4 Achievement of E-flows .
...