STW Wins Desalination Contract

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STW Wins Desalination Contract

STW Resources Holding Corp Announced that its Wholly Owned Subsidiary, STW Water, Was Selected for the Custom Design, Engineering and Construction of the Horizon City Municipal Utility District Reverse Osmosis Concentrator

Only 2 firms eligible to design this particular concentrator, STW was selected as the manufacturer/technology integrator for the$2.2 millionproject. Design and engineering has already begun, manufacturing of the equipment will start in November, and the installation and build-out will begin in the first week ofJanuary 2015. Project completion is expected in the second quarter of 2015. STW Water will maintain the system under a contract withHorizon City.

The Issue and STW's Solution:

The existing municipal reverse osmosis plant in the City of Horizon is 10 years old and can produce only 7 to 9 million gallons per day of processed water. According to theTexasCommission of Environmental Quality (TCEQ), the facility discharges approximately 1 million gallons per day of brine water unsuitable for human consumption which goes to existing evaporation ponds. Because these ponds didn't evaporate at the anticipated rate, there is a need for more ponds, but with limited land availability, additional ponds are not a viable option.

STW's solution is to design and manufacture the reverse osmosis concentrator to remedy the evaporation pond issue while neutralizing potential environmental concerns. With the new system, approximately one-half of the effluent (processed water) can be utilized and half can be reclaimed back into the distribution system. It can be blended with permeate from the other reverse osmosis systems into the final tanks. The concentrator itself is an economical alternative to land acquisition and additional ponds for other municipalities.

STW Water Process & Technologies, along with their manufacturers, will provide custom-designed reverse osmosis concentrators with interval clean-in-place (CIP) technology approved by the TCEQ. This type of concentrator is only the 2ndapproved in the State of Texas—both of which have been overseen byAlan Murphy, STW Water President. The project will be a lucrative and cost-effective investment for the City of Horizon.

Source: SYS-CON Media

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