Greywater
The existing lack of good quality drinking water, its ever-increasing price and, finally yet im-portantly, prices for wastewater treatment represent the reasons for the application of economy measures in the water management sphere. Called according to its typical colour, greywater is wastewater produced in hand basins, showers, wash machines and kitchen fa-cilities that does not contain human waste (urine and faeces). After a suitable treatment, greywater can be used as service water (the so-called “white water”) for flushing toilet, uri-nals and garden irrigation…