CSIRO says it has developed a practical and sustainable method for testing greywater treatment technologies, opening the way for a standard national testing method.
The partnership between CSIRO’s Water for a Healthy Country flagship and the Smart Water Fund has yielded a protocol which involves using a synthetic formula to test a treatment technology.
The test formula contained soap, toothpaste, washing powder and other personal products, combined with high levels of bacteria, viruses and protozoa. The formula was fed into the treatment technology, and the output tested against the Australian standards for recycled water.
There is currently no standard national testing method for greywater systems. States and territories each have their own legislation for greywater collection, treatment and use.
A national regime for greywater treatment technologies, according to the researchers, would simplify the processes for manufacturers of the systems, and increase the adoption rates for recycled water.
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