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Back in August 2019, Forward Water Technologies reported that they had moved into industrial scale piloting of a thermolytic forward osmosis draw solution with the launch of a 15m3/day wastewater treatment demonstration site in Canada.
Now, according to a recent article published by Filtsep, the industrial scale pilot plant is demonstrating low cost, low energy consumption Zero Liquid Discharge (ZLD) of oil and gas flow back water and produced water. Forward Water Technologies are using a hollow fiber forward osmosis membrane technology developed by the Danish Water Tech company Aquaporin, which minimizes the reverse salt flux – effectively cutting out the brine scrubbing process.
