ENERGY RECOVERY, INC. : Energy Recovery Expands Desalination Reach in Chile's Mining Industry in Parched Zone of Atacama Desert

ENERGY RECOVERY, INC. : Energy Recovery Expands Desalination Reach in Chile's
              Mining Industry in Parched Zone of Atacama Desert

  ACCIONA Agua chooses Energy RecoveryPX® technology to save energy costs to
        produce water for Chile's largest industry in Atacama region

SAN LEANDRO, Calif., July 16, 2013 - Energy Recovery Inc. (NASDAQ: ERII), the
leader in harnessing reusable energy from industrial fluid flows and pressure
cycles, today announced that Spanish water company, ACCIONA Agua, has selected
the Company's premium PX® technology for the Minera CAP expansion desalination
project. Earlier this year, ACCIONA was chosen by the Compañía Minera del
Pacífico (CAP Group) to carry out water conduits and concentrate project works
related to the Minero Cerro Negro Norte Project located in the Copiapó Valley,
in Chile's Atacama Region III. The desalination operation will have an initial
capacity of 21,830m3/day, with a potential of 39,310 m3/day within the next
year.

This is welcoming news to Chile's mining industry, which contributes to 50
percent of gross domestic product (GDP) for the northern Atacama region and 20
percent of the country's GDP. This area is referred to as the "desalination
frontline" as the agricultural and mining industries compete with each other
for current fresh water production. Atacama begins just above the capital of
Santiago de Chile and is home to some of the most arid land in the world.
This region is rich in natural resources, mainly copper and lithium, as well
as gold, silver, iron and molybdenum. Mining is by far the main economic
activity; mined copper exports alone stand for more than one third of
government income. In many northern parts of Chile water extraction is more
than the regular rate of replenishment, which is not sustainable long term.
This puts further risks on the entire aquifer if they reach the limits of
seawater intrusion. Fortunately, the Chilean government has a very large
"aquifer" to the west, the Pacific Ocean, which makes desalination a very
simple and real solution to water scarcity problems.

"We chose Energy Recovery's PX Q Series device because it has the highest
efficiency and availability of any other solution on the market. From a
profit and environmental standpoint, it makes the most sense for this
operation," stated Julio Zorrilla, ACCIONA Agua's Director of Construction for
the Copiapó Plant. "Energy Recovery has a strong track record in Chile and its
service and aftermarket support are proven in the region."

"Chile is on the forefront of a major desalination boom and we are proud to
help contribute to the country's economic development in this regard," remarks
Tom Rooney, CEO and President of Energy Recovery. "We look forward to working
with ACCIONA and the Chilean government in the years to come and helping our
partners attain their high environmental and quality objectives."

One of ACCIONA'S goals is to save energy with Energy Recovery's PX
technology. In phase I of the project, the water company will be saving 19
million kWh/ year or $USD 1.9 million and reducing the plant's CO² emissions
by over 11,000 tons. The potential additional savings for Phase II would be
15 million kWh/year or $USD 1.5 million and close to 9,000 tons of CO² per
year.

Energy Recovery technology is well known in Chile and is being used in
numerous desalination plants throughout the country. The Company is working
with Spanish water companies ACCIONA Agua, Valoriza, Aqualia and Cadagua, and
is in early stage discussions with Israeli, American and Korean companies
around the world who view Chile as a strong future market. Many of the legacy
plants are still using Pelton technology because electricity costs were lower
at the time of design. Now that energy costs have risen significantly, the PX
technology is an attractive choice for upgrade in the near future as the
payback for investment is within months.

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in Parched Zone of Atacama Desert http://bit.ly/13LvsYc

About Energy Recovery

Energy Recovery Inc. (NASDAQ: ERII) technology harvests power from
high-pressure fluid flows and pressure cycles. Through collaboration with
industry, Energy Recovery helps make industrial processes within water, oil &
gas, and other industries more profitable and environmentally sustainable.
With over 14,000 energy recovery devices installed worldwide, Energy Recovery
sets the standard for engineering excellence, cost savings, and technical
services to clients across the globe. Year after year, the company's clean
technologies save clients over $1.2 Billion (USD) in energy
costs.Headquartered in the San Francisco Bay Area, Energy Recovery has
offices in Madrid, Shanghai, and Dubai.www.energyrecovery.com

Media Contact:

Kristan Kirsh

kkirsh@energyrecovery.com

+1.510.746.5012

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