MATEC Web Conf.
Volume 305, 20209th International Symposium on Occupational Health and Safety (SESAM 2019)
|Number of page(s)||6|
|Published online||17 January 2020|
Water reuse as a secure pathway to deal with water scarcity
Insubria University of Varese, Department of Theoretical and Applied Sciences, via G.B. Vico, 46, I-21100 Varese, Italy.
2 Aristotle University of Thessaloniki, Department of Chemistry, Thessaloniki 54124, Greece
3 University of Pavia, Department of Civil and Architectural Engineering, via Ferrata 1, 27100 Pavia, Italy
4 University of Brescia, Department of Civil, Environmental, Architectural, Engineering, and Mathematics, via Branze 43, 25123 Brescia, Italy
* Corresponding author: firstname.lastname@example.org
An adequate access to water supply systems is crucial for a sustainable future. Climate change is expected to increase water shortage problems worldwide. Reuse/recycling of treated wastewater for domestic and/or agricultural purposes can be considered an interesting water supply: it is independent from seasonal drought and meteorological variability and able to cover the peak of water demand. In the case of direct reuse, the parameter of treated water must comply with the reuse limits for biological oxygen demand, chemical oxygen demand and suspended solids. In case of indirect reuse, the regulatory approach changes as the dilution ratio between discharge and flow of the irrigation canal is taken into account too. There are many interventions that are considered useful for the purpose of promoting the development of an enhanced water recovery and recycling: legislation improvements, modification in the water storage management, prevention in pollution discharged into sewerage systems, improving the efficiency of WWTPs, incentive the adoption of rainwater storage tanks and interventions for the separation of gray water, establish a “blue certificate” for financing investments. In the present paper those aspects are analysed referring to some cases found in an Italian region.
© The Authors, published by EDP Sciences, 2019
This is an Open Access article distributed under the terms of the Creative Commons Attribution License 4.0, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
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