Nubian Water Recycling Systems

1. Nubian Water Recycling Systems Residential Green Buildings Breakfast Seminar on March 23, 2011 Commercial Please note the product name OASIS has been discontinued.

2. Nubian Water Systems • Formed in 2005 to develop small scale solutions to address the global shortage of drinking water • Has become a developer and marketer of leading products in the water industry – with a specific focus on distributed systems • Major focus has been the development and commercialisation of greywater recycling solutions, based on Nubian patented biofiltration technology • By 2010, Nubian has an installed base of several hundred systems, covering single dwellings, apartment buildings, commercial office buildings, prison, army barracks and aged care facilities – all systems are factory built and tested before shipment.

3. Greywater Treatment - Background • Interest in treating greywater to a high level of quality, emerged in Australia 6-8 years ago • Domestic drivers; • Drought and tough water restrictions on garden watering, car washing etc • Introduction of compulsory sustainability targets • Increasing wave of commitment to health and sustainability • Commercial drivers; • The desire to achieve high sustainability ratings, in order to attract premium tenants and achieve rental premiums and increased building valuations • Introduction of compulsory sustainability targets • Provide alternative / supplementary (potable replacement) water supply in areas of water shortage, such as remote mining camps

4. Greywater Recycling • Why greywater? • Reliable source – independent of weather • Can be treated to high quality for re-use indoors and outdoors • Significant contribution to reduction in consumption – Can achieve >40% reduction in consumption in domestic applications (higher in apartment buildings), and 60% reduction in discharge to sewer

5. Kitchen Toilet Bathroom Laundry Greywateras aResourceWhat it is – What it is not

6. Recycled WaterWhere can we use it?

7. Malvern Residence

8. Maroubra Townhouses

9. MelbournePenthouse Apartment

10. Tamworth Residence 2450 mm 1900 mm 500 mm

11. Export Market - Israel • Israel offers a huge market for Nubian Greywater products. • Israel is seen as the major global innovator in water technologies. A global leadership position of an exporter from Australia into Israel is perceived strongly by the international market. • A successful Cleantech venture operating in this market has huge credibility when moving into USA and other global markets • Access to new inventions in Israel will provide Nubian with both breakthrough technologies and R&D funding for its future product developments.

12. Hydroguard Online Water AnalyserFrom Blue I Technologies, Israel • Multi parameter (up to 8) on-line water quality monitoring and control • Colorimetric free and/or total chlorine a measurement – very accurate, very infrequent calibration • Direct control of dosing • Used in drinking water, recycled water, cooling towers, swimming pools etc • Remote communications

13. Zichron Yaakov Residence

14. Ramat Hasharon Residence

15. Tel Mond Residence

16. Looking Ahead • Urban water shortages will become even more serious • The price of water will continue to increase • The growing requirement for sustainability in buildings will increase the demand for greywater recycling. Water recycling will become mandatory in many locations • Buildings will be “greywater ready”, reducing installation costs • Separated greywater and blackwater plumbing • Separate reticulation for toilets, clothes washer, irrigation, vehicle wash • Additional re-use applications – swimming pool top-up, cooling tower makeup • Uniform regulation • Australia – AGWR • USA – NSF 350 has many similarities to AGWR • Cost reductions – as technology penetrates market Leading to Increasing demand for reliable, cost effective greywater recycling solutions

17. Nubian Water Recycling Systems Residential Thank You Commercial Please note the product name OASIS has been discontinued.