Switching clean water: GreenCentre licenses Queen’s University switchable water technology

Switching to clean water: GreenCentre licenses Queen’s University switchable water technology

11:04 AM, 21st August 2012
Switching to clean water: GreenCentre licenses Queen’s University switchable water technology
GreenCentre Canada licenses Switchable Water technology, a Switchable Water system that offers an easy and energy efficient way to “Add and remove” salts from water solutions.

KINGSTON, CANADA: The addition of salts to water is a common step within many industrial chemical processes. For example, adding salts to water (ie increasing the ionic strength of an aqueous solution) enables the isolation of chemical products from water solutions. The problem with this is that once the process is complete, a quantity of salty water remains, which cannot be reintroduced back into the environment and therefore must be remediated through costly and energy intensive procedures.

Now a solution is available as the Switchable Water technology, part of the Switchable platform invented at Queen’s University by Dr Philip Jessop and in-licensed by GreenCentre Canada. The Switchable Water system offers an easy and energy efficient way to “Add and remove” salts from water solutions. Ultimately, once the process no longer requires the water, it can be reintroduced into the environment in its benign, salt-free, form. The technology follows the reverse osmosis concept but without using pressure thus saving time and energy. It only requires air to be bubbled into the salty mixture. Also the materials can be recycled!

Also this research has resulted in creation of new chemicals that can switch the “Saltiness” of water on and off by the simple addition of carbon dioxide. This has potential applications in water treatment, industrial processes, and water desalination, and will allow for greatly reduced chemical waste.

To watch the video, click the below link –

http://www.youtube.com/watch?v=3-AiJE4nchA&feature=plcp

© WOC News

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