Biwater to provide membrane solution for new brackish desalination project in Texas
Biwater has been selected to provide its advanced membrane solutions for a new brackish desalination program in Southern Bexar County, San Antonio, Texas. The company has been finalizing designs and preparing for system manufacture, delivery and commissioning.
March 24, 2015 -- Biwater, a global provider of large-scale water and wastewater solutions, recently announced that it has been selected to provide its advanced membrane solutions for a new brackish desalination program in Southern Bexar County, San Antonio, Texas. Since being awarded the project, the company has been finalizing designs and preparing for system manufacture, delivery and commissioning.
The South Central Regional Planning Group has identified brackish groundwater as a supply management strategy to meet the county's water needs over the next 50 years. Brackish water is plentiful in the area and is a previously untapped local source of water. The Texas Water Development Board has confirmed that a vast supply of brackish groundwater -- water too salty to drink -- exists in the region and has yet to be developed.
To expand its water supply portfolio over the next 11 years, the San Antonio Water System (SAWS) will deliver a phased program that will provide the county with over 30 million gallons per day (MGD) of additional drinking water production capacity. The new brackish desalination plants will greatly reduce the population's dependence on a primary drinking water aquifer, which will be able to recover naturally over time.
The Phase-I facility will generate approximately 12 MGD from the Wilcox Aquifer and will be located at the existing SAWS Twin Oaks Aquifer Storage and Recovery Site. Further, SAWS will complete Phases II and III, in 2021 and 2026 respectively, to bring the total capacity of the new facilities to over 30 MGD.
The plant will produce finished water from 2 MGD of filtered well water blended with 10 MGD of reverse osmosis (RO) permeate water. It will accomplish 90-percent recovery by the inclusion of four 2.22-MGD primary RO trains and two 0.56-MGD secondary concentrator trains. Raw water will emanate from a combination of wells 1,200- and 1,800-feet deep, with an expected quality of 1,300 and 1,500 parts per million total dissolved solids. Brine disposal is via 'Class-1' injection wells. Finished water quality will meet all federal and local drinking water standards.
Biwater provides large-scale water and wastewater solutions for cities across the world. Since its inception in 1968, the company has gained recognition for its innovative approaches aimed at overcoming the world's most pressing water-related challenges. Throughout its history, Biwater has grown to meet the demands of over 60 countries experiencing severe water stress, compounded by burgeoning populations -- financing, consulting, process engineering, designing, constructing, operating, maintaining, and owning water facilities -- in both rural and urban environments. For more information, visit www.biwater.com.