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Greywater management meets water reduction requirements

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Posted on April 19, 2011 by ecoadmin 

Ecoplay Unit 2

Greywater systems were introduced into this country to help housebuilders and housing associations to meet the increasingly stringent water reduction requirements. The main legislation covering this area is Part G of Building Regulations and the Code for Sustainable Homes in the domestic new build sector.

Housebuilders are now required to build to Code Levels 3 or 4, which means reducing average water use per person to just 105 litres per person per day. Many domestic users are looking at ways to lower their water use too in retrofit situations and this is possible by integrating greywater systems, such as Ecoplay, within a building. This can reduce water usage by a third in most households.

Micro greywater recycling systems work by drawing waste water from baths and showers into a cleaning tank. As the water enters the system, a flow sensor picks up the incoming supply and registers the input time with the ECU (electronic control unit). At the same instant, this same sensor is instructing the ECU to activate the dosing units and injects a pre-prescribed amount of disinfectant into the incoming water to neutralise odours and maximize longevity of the water.

As the greywater enters the floatation section of the cleaning tank, any light waste materials such as hair, oils and suds are skimmed from the surface, while heavier ones sink to the bottom.

This water cleared of its contaminants is then transferred to the integral storage tank using gravity alone, where it can be re-used, again using gravity to flush the master toilet, whilst keeping the energy usage to as little as 13.1 kilowatt hours per year.

Alternatively, a two toilet system on the same or different floors utilizes an in line pump to transfer the water to the secondary toilet increasing the energy units to approximately 16.1 kilowatt hours per year.

Here in the UK, water conservation is becoming much more of a priority, especially as England has been found to be one of the most water-stressed countries in the world. As legislation covering water use becomes ever more stringent for housebuilders, it is innovations like greywater management systems that will ensure that the construction industry can meet its requirements, whilst creating bathrooms that appeal to today’s homeowners.

More information: www.ecoplay-systems.com

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One Response to “Greywater management meets water reduction requirements”

  1. ecoadmin says:

    April 19th, 2011 at 1:37 pm
     

    Saving water is a major problem for every country and could be the food for future
    wars, so saving it is crucial.

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