Energy Recovery Inc’s PX Devices to Replace DWEER Units at Red Gate Desalination Plant on Grand Cayman Island
May 18 2010 - 8:00AM
Business Wire
Energy Recovery Inc (NASDAQ: ERII), a leader in the design and
development of energy recovery devices for desalination, today
announced that the company’s industry-leading PX Pressure
Exchanger™ (PX™) energy recovery devices will replace competing
isobaric units at the Red Gate seawater reverse osmosis (SWRO)
desalination plant on Grand Cayman Island. Originally built in 1989
by Consolidated Water Co. Ltd., the Red Gate facility is currently
undergoing a retrofit, including an upgrade of desalination
technologies. Energy Recovery’s PX devices will help Consolidated
Water and the Water Authority-Cayman to cost-effectively deliver
more than 4,900 cubic meters (1.3 million gallons) of potable water
per day. The decision to replace the existing DWEER devices with PX
units was based on reliability and overall lifecycle cost.
Unlike the DWEER units and other competing energy recovery
technologies, Energy Recovery’s PX devices operate without
pulsations and water hammer. Massive pulsations have been known to
complicate and delay plant startups and may damage plant
structures, compromise peripheral desalination equipment and/or
adversely affect plant safety. In addition, PX devices have just
one moving part made out of ceramic material that smoothly rotates
with the flow of water. This simple yet elegant design requires no
scheduled maintenance, making PX devices constantly available and
reducing costly system downtime common in other isobaric competing
technologies.
“SWRO desalination has been an integral part of Grand Cayman’s
water supply for years but in order to sustain the process
long-term it is important that the cost of producing potable water
be kept to a minimum,” said Borja Blanco, senior vice president of
Energy Recovery Inc. “Downtime due to equipment failure is a dual
problem in a desalination facility, as you have to spend time and
money to resolve issues, while your revenue stream is interrupted
by the lack of production. We are pleased that Consolidated Water
has selected Energy Recovery’s PX devices as an upgrade to the
existing DWEER units. Retrofits like this continue to represent a
growth opportunity for Energy Recovery as desalination facilities
all over the world continue to recognize the PX as the most
reliable, and easiest to operate, isobaric energy recovery
device.”
Energy Recovery's PX devices operate at up to 98 percent
efficiency and reduce the energy consumption of SWRO systems by up
to 60 percent, making desalination a cost-effective, sustainable
solution for clean water supply. PX devices also reduce the carbon
footprint of desalination, saving more than 900 MW of energy and
reducing CO2 emissions by more than 4.7 million tons per year
worldwide. More than 8,000 PX devices are currently deployed or
under contract to be installed at desalination plants across the
globe. For more information about Energy Recovery's PX Pressure
Exchanger technology, visit http://www.energyrecovery.com or send
an email to info@energyrecovery.com.
About Energy Recovery Inc
Energy Recovery Inc (NASDAQ:ERII) designs and develops energy
recovery devices that help make desalination affordable by
significantly reducing energy consumption. Energy Recovery
technologies include the PX Pressure Exchanger™ (PX™) device for
desalination and the Turbocharger hydraulic turbine energy recovery
device and pump for desalination, gas and liquid processing
applications. In total, Energy Recovery helps reduce CO2 emissions
by more than 4.7 million tons per year and produce 1.6 billion
gallons of potable water per day. The company is headquartered in
the San Francisco Bay Area with offices in Detroit and in key
desalination centers worldwide, including Madrid, Shanghai, and the
United Arab Emirates. For more information about Energy Recovery
Inc please visit www.energyrecovery.com.
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