Evapor-8

The Power of Evaporation

The Evapor-8 System is successfully in use at a UK Airport Fire Training Ground using the power of natural evaporation to dispose of foam contaminated runoff and in combination with water reuse. As no discharge to watercourse is needed for the large paved area, it provides total environmental protection against pollution of the surrounding water resources.

The key to the system is the use of below pavement storage and using the drying power of the sun and wind to evaporate the water, drawn from the cell, by using spray systems with sophisticated control systems. The power costs to operate the system has been calculated at £26 a year, and there is the potential for micro-renewables to be used to make the system carbon neutral. Streaming water across the surface rather than spraying is also an option.

Natural climatic evaporation of polluted water sprayed back on to the pavement

Potential evaporation in much of the east and south of the UK exceeds rainfall, which means that the potential for evaporative disposal as part of sustainable drainage systems is high but is little utilized.
	High evaporation potential is found in much of the UK
	By using storage to balance higher winter rainfall with higher summer evaporation an annual balance of rainfall and disposal can be achieved, as shown in the graphs. More information on this project is described in the Fire Training Ground Project Profile Technical information on the system is described in the World Environmental and Water Congress Conference Paper
Hydrologiq can use its unique scientific software to model the climate of your site and evaluate the contribution that evaporative systems can make to solving the problems of your development sites. It could unlock sites that are restricted from types of development by discharge quality and quantity restrictions.
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