Yes it is. It is being used ...

Published December 2, 2016 14:17 by Ciaran Gillen, Managing Director at BioFuture Ltd.

Yes it is. It is being used for toilet flushing in Hong Kong for many years. I understand the current level is 85% of all toilet flushing in Hong Kong is using seawater. As Steve has indicated the treated effluent is really only suitable for sea discharge as it can't be used for irrigation.

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Hi Ciaran, I have found a paper on Hong Kong and sea water. Do they purify such effluent water somehow (with active sludge ?) or just pump it directly to the sea without any treatment? Do you maybe know this?

Published December 4, 2016 22:16 by Piotr Grzybowski, Ph.D. at Warsaw University of Technology

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They do use activated sludge in some of their plants as I have visited one. Can't say for sure if they are all activated sludge.

Published December 5, 2016 11:41 by Ciaran Gillen, Managing Director at BioFuture Ltd.

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