Devices to harvest kinetic energy from the briny waste stream of seawater desalinization plants are to be used for the first time at an industrial scale in two plants now being built in Spain.
Pressure-exchange devices supplied by Energy Recovery Inc., San Leandro, Calif., are to be installed in reverse-osmosis plants being built by Spain’s Ministry of the Environment, Rural and Marine Affairs at the Mediterranean coastal cities of Moncofa and Oropesa. Together, the plants are expected to provide up to 21 million gallons of freshwater per day when completed in 2012.