gray water

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gray water

Wastewater that has been used in kitchens, laundries, sinks, showers, and tubs, but not toilets.
See also: water
References in periodicals archive ?
The results indicate that the wetland has a high potential of removing pollutants from the incoming grey water.
The second stage of the project focuses on environmental, social and economic output of utilisation of rain and grey water in urban and suburban irrigation.
There is an increasing demand for easy to install grey water systems that are fully automatic and require low maintenance," says Remy Sabiani, CEO of Water Wise Group, Inc.
Before grey water treatment, ordinary tap water would be used to irrigate parks, farms, gardens and green spaces.
Grey water from washing machines, showers and baths is collected and treated via a system of flocculatiou and then filtered--using Perpetual Water's patented technology.
The CleanSea wastewater treatment systems will process all black water and grey water generated aboard the 2,500 passenger Radiance of the Seas and 2,000 passenger Celebrity Summit cruise vessels.
This grey water is sand filtered and used to flush lavatories and irrigate vegetation.
She added: "There is a maintenance system that pushes the water through into the drain pipes which goes into the grey water system.
O]ver her flank and deck / A mountain of grey water crashed in tons.
Equipment sales can be increased by developing solutions that comply with legal guidelines and increasing efficiency through water recycling and effective use of grey water.
The stations have holding tanks for boats to pump out their sewage and grey water reducing the amount of pollutants that go into the river including disease-causing bacteria and nutrients that can cause algal blooms, Mr Brock said.
Using pure fresh water in the garden-while sending only "slightly used" grey water into the septic or sewer system--is considered wasteful in some situations.