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Develop a system to filter waste water, i.e. via membrane bioreactors (MBRs). MBRs are highly compact, fully automated, low odor alternatives for wastewater treatment in green buildings. This system provides on-site wastewater treatment through membrane technology resulting in clean, Class A effluent. This system’s effluent can be collected in grey water storage tanks providing a sustainable source of recycled water for toilets and landscape irrigation, while also reducing occupants’ demands on local potable water supplies and municipal infrastructure. (Source: www.communicationsmgr.com, 2009)

Membrane bioreactor with self-contained housing installed below ground using 110 volts of power to run system components.

There are three stages of treatment. First, the solids are separated from the wastewater stream. Next, dissolved biological matter is progressively converted into a solid mass by using indigenous, water-borne bacteria. Finally, the biological solids are neutralized then disposed of or re-used, and the treated water may be disinfected chemically or physically (for example by lagoons and micro-filtration). (Source: Mohammed K. Zaidi, “Environmental Aspects of Wastewater Reuse,” Wastewater Reuse–Risk Assessment, Decision-Making and Environmental Security, Springer Netherlands, http://www.springerlink.com/content/p312xtp255657097/)

Maximum water utilities savings are possible due to reduced potable water demand and reduced sewage loads. However, there is a high initial cost that is associated with the requirement to construct double piping for the water recycling process.

MBRs can treat both grey and black water to near drinking water quality that meets or exceeds the world’s most stringent standards for water reuse. Excellent quality effluent which is virtually free of solids, bacteria and germs permits reuse of effluent, e.g. for irrigation. This system makes clarifiers and sand filters redundant, reduces costs of disinfection, improves performance on a small footprint, and is the most compact decentralized wastewater treatment. It is suitable for municipal and industrial applications, has low sludge production and is energy efficient.

Commercial: High-strength MBRs uses a robust membrane system to meet the unique challenges of high-strength commercial applications. Clustered Residential: MBRs modules provide flexible, innovative recycling and reuse options to reach the next level of sustainable development. Development must be within a jurisdiction that allows the reuse of waste water.

2.1.1 Rainwater Storage & Use
2.1.2 Greywater & Water Recycling
2.2.1 Water Efficient Appliances
3.2.1 Solid Waste Treatment