Green Roof Water Recycling System

The garden requires most irrigation during summer when the rainwater tank level is lower.

Green roof water recycling system.

Part of the show recycling water use and problem plastic. Several water recycling systems can be applied to green walls. The green roof water recycling system grow uses semi aquatic plants to treat waste washing water which can then be reused for activities such as flushing the toilet. As a roof type that requires frequent maintenance intensive systems can be thought of as gardens on a roof in contrast with an extensive green roof there are almost unlimited possibilities.

The green living roofs were incorporated into the facility s design program to demonstrate the viability of this technology toward promoting environmental sustainability. Water usage and the green roof water recycling system. Pollutants within the atmosphere and from roofs can cause run off from roofs to have poor water quality. Water quality can be improved when a green roof is installed on a building.

This system requires some maintenance from time to time these green roof systems lie between the extensive and the intensive and usually include a mix of plant types. In combination with other forms of modern rainwater management schemes e g storage tanks or irrigation systems the system is able to fully substitute for all water requirements where drinking water quality is not required. Depending on the system used and the geographical location as much as 90 of the annual precipitation may be retained on the green roof. Chris tell us about your work.

Solar system photovoltaics pv. However in the case of green roof systems the design criteria are quite different to that of a living wall. During the initial build out of the water recycling facility in 2009 the construction team installed a green roof system that eventually failed to successfully develop. These systems pump grey water through a green wall which then passes through filters gravel and marine plants.

A green roof is a horizontal vegetation system that incorporates plants a growing medium a water supply and a drainage system. Treated water is then sent to a grey water holding tank for household or irrigation use or released into the public water treatment system shirley smith 2006. Recycling grey water from year round water use such as showers ensures a stable supply of water for the rest of the year. Greywater systems recycle water for toilet flushing or irrigation.

Professor david butler university of exeter.