Squeezing Water from the Sea

Many of us know that desalination can be quite an expensive process. However, in latest article by Laura Sanchez, published on June 28th 2017 in the Water Efficiency magazine, one gets a glimpse of the desalination process in Israel and how the process can be “an increasingly practical and cost effective solution to water security” (Squeezing Water , 2017).

Squeezing Water From the Sea –
Is desalination proving increasingly feasible?

By forcing salt water against polymer membranes that trap salt ions and allow fresh water through, reverse osmosis (RO) desalination is an effective water treatment technique. It is relatively expensive, however, due to the energy used to push water molecules through the membrane. But a remarkable facility in Israel, is demonstrating that desalination may be an increasingly practical and cost-effective solution to water security.

The Sorek Desalination Facility, a mega-scale plant built for the Israeli government by Israel Desalination Enterprises (IDE), incorporates engineering improvements that make it more efficient than previous RO facilities. It is the first large desalination plant to use pressure tubes that are 16 inches in diameter rather than eight inches. Therefore, it needs less space and only a fourth of the piping and hardware of a traditional plant, reducing costs. The facility also utilizes a novel pressure center design, double-line intake, and proprietary energy recovery system designed by IDE for increased efficiency and reduced energy consumption. In fact, today its energy consumption is among the lowest in the world for large-scale desalination plants.

Follow this link to continue reading the original post and make comments.


About WRlibrarian

Currently employed with the Water and Sewerage Authority at the Water Resources Agency, I have created this blog to provide an online presence for the Agency's library. This purpose of this blog would be to inform staff about library related activities, as well as, relevant information that can have an impact on the Agency's operation.
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