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03/10/09

Emergency Water Trailers Offer Temporary Relief


ERI's PX Technology Helping to Provide Energy Efficiency to Quick Water Demands

SAN LEANDRO, Calif.--(BUSINESS WIRE)--Mar. 10, 2009-- Energy Recovery, Inc. (“ERI”) (NASDAQ:ERII), a global leader of ultra-high-efficiency energy recovery products and technology for desalination is helping to alleviate water shortage emergencies around the world by enabling energy-efficient mobile desalination plants with PX Pressure Exchanger (PX®) energy recovery technology.

As water supplies from rivers, aquifers and lakes dwindle to critical levels, water scarcity is a serious concern. In areas where drought effects have been intensifying, water supply equipment manufacturers have found a quick solution to the problem. Mobile water trailers equipped with high-pressure pumps, seawater membranes and energy recovery devices offer a temporary, small-scale desalination solution to potentially big water shortages. When the need for water is urgent, a fully-equipped desalination container offers a fast and affordable advantage over traditional, land-based plants which require capital-intensive investments. Furthermore, mobile plants are portable which is important should an emergency arise or changes occur in weather or politics.

ERI’s PX technology is a unique fit for mobile emergency water trailers, providing flexibility, energy savings and a small footprint. Within the past six months, the Company has shipped over 170 PX units for these mobile water trailers which each range in size from 380,000 gallons per day (1,450 cubic meters per day (m3/day)) in production capacity to 1.6 million gallons per day (6,000 m3/day) in some instances. These mobile plants offer temporary aid to thirsty populations in emergency situations. They are being shipped to facilities such as farming communities, military operations and hotels and resorts in regions that include the Far East, Middle East, Australia and the Caribbean.

GG Pique, ERI President and CEO stated, “When you run into a water shortage situation and need it in a hurry, solving the problem with multiple small portable emergency units in trailers gets you to a solution a lot quicker than building a big plant from scratch.”

About ERI®

Energy Recovery, Inc. (ERI) is a leading manufacturer of energy recovery devices which help make desalination affordable by significantly reducing energy consumption. ERI’s PX Pressure Exchanger® (PX®) device is a rotary positive displacement pump that recovers energy from the high pressure reject stream of seawater reverse osmosis (SWRO) systems at up to 98% efficiency with no downtime or scheduled maintenance.

The company has research, development and manufacturing facilities in the San Francisco technology corridor as well as direct sales offices and technical support centers in key desalination hubs such as Madrid, UAE, Shanghai and Florida. ERI service representatives are based in Algeria, Australia, China, India, Korea, Mexico, Taiwan and the Caribbean.

For more information on ERI and PX technology, please visit www.energyrecovery.com.

Source: Energy Recovery, Inc.

Energy Recovery Inc.
Audrey Bold, +1-510-483-7370
abold@energyrecovery.com