Wastewater treatment (23/02/15 19:58:12)
Dyeing of textiles is a potentially problematic activity. The dye that is not fastened on the textiles, ends up in water. Fish, snails crustaceans and plants may prefer clean water - so how to eliminate the more or less toxic chemicals? One andwer is oxidation.
Oxygenated water from electrolysis with catalytic iron ions.
Drug residues are another source. Antidepressants, antibiotics, sex hormones, drugs of abuse. What we take sooner or later ends in the water and the fish. Or in the water intakes of the cities further down the river.
The space station people know all about that because they recycle their water all the time. Those who prepare for the journey to Mars will have to get used to the thought.
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