High-Efficiency Reverse Osmosis (HERO™)



High-Efficiency Reverse Osmosis (HERO™)

High-efficiency RO process boosts recovery ratios, cuts cleaning frequency

If your water treatment operation requires ultrapure water and water recovery ratios greater than 90%, the HERO™* process from GE Water & Process Technologies can help. HERO* uses three steps before reverse osmosis (RO) to remove dissolved solids and other contaminants:

Cation exchange to reduce average hardness leakage to <0.1 ppm (100 ppb)</td />
Degasification to cut dissolved CO2 to <10 ppm, reducing scale buildup</td />
Increased pH in the RO feed to achieve operational benefits.

RO operation at high pH (10 to 10.5) results in:

Virtual elimination of bacteria growth to stop bio-fouling
Continuous cleaning of the RO system
High anion rejection rates
Greater solubility of silica in the feed stream

HERO* systems typically process 25 to 30 gallons/sq.ft./day and offer recovery rates of 90% to 98%. A two-pass high-pH RO system delivers these anion rejection rates: boron >99.4%; silica >99.97%; total organic carbon (TOC) >99%.

GE engineers can help you choose the membrane and operating mode that delivers the gas removal you need at the most affordable cost. Satisfied customers using GTM® systems include ST Microelectronics in France, Singapore and Phoenix, Arizona, USA; Motorola, Inc., in China and Phoenix; Seagate Technology in Singapore; and Sandia National Laboratories in Albuquerque, New Mexico, USA.

* HERO is a registered trademark of Debasish Mukhopadhyay.

Benefits To You
Highest water recovery of any ultra-pure water (UPW) makeup system
Lower capital cost
Less space required (25% to 30% less than standard RO)
Lower operating cost (15% to 20% lower than standard RO)
No cleaning required
Can treat wastewater as well as UPW
Higher recovery rates for high-silica waters

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