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Grey water recycling system

Michael Azoury, a year 12 student from Canberra Grammar School, viewed 'waste' as a valuable resource in his creation of a household scale affordable water treatment system. Michael was awarded the overall Sustainable Living Champion in 2004.
Images
Grey Water Treatment System Prototype Grey Water Treatment System Prototype
The System in Action! The System in Action!
The Setup The Setup
Michael Azoury with Professor Peter Murphy (FBE UNSW) and Rosie Beaton (JJJ) Michael Azoury with Professor Peter Murphy (FBE UNSW) and Rosie Beaton (JJJ)


The Background

Michael Azouri lives on a two-and-a-half acre block of land, very close to Canberra, approximately half of which is made up of garden. With the onset of the drought this once lush and beautiful garden turned into a brown and dying mass. As a means of prolonging the life of a select few plants, Michael’s family would bucket out their shower, bath, and laundry waste water. In Australia, this waste water (known as grey water) is normally flushed down the drain and treated at a sewage works before being dumped into the ocean. Michael's grey water treatment system endeavoured to water gardens efficiently through reducing water consumption and reusing grey water.


The Project

Before grey water can be used in the garden, the water needs to be filtered to remove any unwelcome particles (like food from your kitchen) and then treated by ultraviolet to kill any unwanted germs. Michael modified a 44 gallon drum to process the grey water into usable garden water and designed it for easy connection to the house’s existing plumbing. Waste water from the house (from the shower, bath and laundry) is directed into a single grey water inlet in the drum and comes out the other side cleaned and ready to water the plants. The entire unit is built of easily accessible and affordable materials.


The Journey

  • The project illustrates linkages between technology and its impact on society and the environment and demonstrates that individual habits affect society collectively;

  • Waste is a valuable resource, for which each household must take responsibility;

  • To create a realistic change, solutions must not only work but be affordable as well.


Michael’s project brings us to the realisation that sustainable living requires viewing ‘waste’ as a valuable resource and shows how each household can take responsibility for managing their resources.

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by ben last modified 22-10-2007 15:51
University of New South Wales Faculty of the Built Environment Teach Sustainability Environmental Trust University of New South Wales Faculty of the Built Environment The Decade of Education for Sustainable Development Teach Sustainability