IRIDRA

Nature-based solutions - Sustainable water management

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Telephone 055.470729
Fax 055.475593
Address Via Alfonso la Marmora, 51 - 50121 - Florence

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Sustainable managment: Grey water reuse

For the treatment and reuse of grey water, IRIDRA proposes the following solutions

Classical constructed wetlands

Green architectural nature-based solutions

  • Roof wetlands
  • Vertical gardens o Green Walls
  • Green roofs

Combination with water saving devices in buildings

  • Hand basins and shower water saving devices
  • Water saving solutions for toilet flushing
  • Low water footprint scelta appliances

IRIDRA's experience

Among the most representative examples of IRIDRA's experience in this field are following reported.


Residential area in Preganziol (TV - Italy)

grigie riuso pareganziol  web

Treated person equivalent
280 PE
Chosen Nature-based solution
HF
Peculiarity
Separation, treatment, and reuse of greywater for toilet flushing
Year of realization
2009


Beduin village in Westbank (Palestine)

grigie riuso palestina oxfam  web

Treated person equivalent
70-120 PE
Chosen Nature-based solution
VF
Peculiarity
Separation, treatment with a constructed wetland, and reuse of greywater from a Beduin village in Palestine. The treated greywater is reused for irrigation of olive trees and fodder. The nature-based solution was designed by IRIDRA, commissioned by the NGO OXFAM Italy, and funded by EU ECHO, FAO, and Sardinia Region
Year of realization
2011-2012


Margarita beach,  Marina di Ragusa (RG - Italy)

Grigie Riuso Green Wall Ragusa  web

Maximum trated greywater quantity
0.5 l/s (Pilot plant)
Chosen Nature-based solution
Green wall
Peculiarity
Gardening reuse of treated greywater. Designed by IRIDRA for Svi.med, partner of the project CONSUME-LESS (Interreg MED)
Year of realization
2018


Restoration of a residential area in Alliste (LE - Italy)

grigie riuso brindisi  web

Treated person equivalent
100 PE
Chosen Nature-based solution
HF + VF
Peculiarity
Irrigation reuse of treated greywater.
Year of design
2010


"La Cava" camping, Arezzo (AR - Italy)

grigie riuso cava poppi  web

Treated person equivalent
80 PE
Chosen Nature-based solution
HF
Peculiarity
Separation, treatment with a constructed wetland, and reuse of greywater for irrigation. Nature-based solution realiazed under the EU funded project SWAMP
Year of realization
2004


Hostel campus of the College of Engineering, Pune (India)

grigie riuso pune web

Treated greywater quantity
40 m3/day
Chosen Nature-based solution
VF
Peculiarity
Separation, treatment with a constructed wetland, and reuse of greywater for toilet flushing. Nature-based solution realiazed under the EU funded project NaWaTech
Year of realization
2015


San Carlo settlement, San Vincenzo (LI - Italy)

grigie riuso solvay  web

Treated wastewater quantit
30 m3/day
Chosen Nature-based solution
HF + VF
Peculiarity
Tertiary treatment for reuse purposes. Treated wastewater is reused to irrigate vegetation used for restoration of a dismissed querry.
Year of design
2010


Resort in Grumenti community, Serengeti (Tanzania) 

grigie riuso tanzania  web

Treated greywater quantity
4 m3/day
Chosen Nature-based solution
roof wetland
Peculiarity
 Irrigation reuse of treated greywater.
Year of realization 
2015
 


Maharashtra Jeevan Pradhikaran head office, Pune (India)

grigie vertical garden pune  web

Treated person equivalent
0.125 - 0.25 m3/day (Pilot plant)
Chosen Nature-based solution
Green wall
Peculiarity
Investigation of possible reuse of greywater treated by a green wall. Nature-based solution realiazed under the EU funded project NaWaTech
Year of realization
2014


Wedding facility "Luna Nuova", Sternatia (LE - Italy) 

grigie luna nuova  web

Treated person equivalent
615 PE
Chosen Nature-based solution
HF + VF + HF + FWS
Peculiariy
Irrigation reuse of treated greywater.
Year of realization 
2004


Residential buildings in Località ex oratorio del Monte, Vicchio (FI - Italy)

grigie riuso villore  web

Treated person equivalent
30 PE
Chosen Nature-based solution
HF
Peculiarity
Separation, treatment with a constructed wetland, and reuse of greywater for irrigation and toilet flushing
Year of design
2008