IDE Technologies launches saltwater desalination technology MAXH2O

IDE Technologies, a supplier of desalination and water treatment solutions, has launched its brine-depleting technology, MAXH2Oh, to reduce brine removal from brackish water desalination plants.

The MAXH2O-desalter technology integrates a reverse osmosis (RO) system with an integrated salt deposition unit to promote the brine recovery of brackish water desalting desalination plants with reverse osmosis (BWRO).

The desalination plant also helps to address other challenges, such as peeling off soluble salts, and biological contamination and biofouling, without the need for additional chemicals.

By increasing the recovery of the BWRO installations and reducing the amount of rejected brine from the desalination plants, the technology helps to reduce the environmental impact of brine.

This technology helps to promote water recovery and benefits municipal and industrial applications such as mine sites, power plants and cooling towers.

Director and Director of Business Development, Tomer Efrat, director of IDE, said: "Achieving a high recovery for BWRO systems has always been a challenge, which in many cases has determined whether a project would be economically viable or not.

"MAXH2O is absolutely working on breaking the recovery limits that are known today in the industry, so that there are many more opportunities for both new installations and the retrofitting of existing facilities. "

First pilots of MAXH2O technology on both current and new BWRO desalination plants has shown an increase in the brine recovery to 98%.

Due to the presence of soluble salts such as calcium carbonate, silicon dioxide and calcium sulphate, BWRO and reuse installations can not maximize the potential of the BWRO plant and achieve the RO osmotic pressure limit due to scale formation in the system and on the RO membranes.

As a result, the recovery of the BWRO plant is usually limited to about 80%.

The MAXH2O-desalter technology uses a semi-batch RO concept together with an integrated salt-precipitating unit to eliminate the restraint caused by water chemistry.

By using a semi-batch process, the flow through the membranes in the MAXH2O-desalter is increased, leading to high cross-flow rates within the RO membrane supply-brine spacer, thereby reducing the influence of concentration polarization and the risk of scale formation.

The brine is rejected from the RO membranes in each cycle passing through a fluidized bed crystallizer that slowly removes the poorly soluble salts from the system. The MAXH can be used with this method2O Desalter to achieve up to 90% reduction in brine removal, and total recovery of up to 98 percent of the original supply flow.

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