YouAreGenuinelyDumb t1_jdja0ul wrote
Reply to comment by dream_the_endless in Scientists have shown how toxic dyes can be filtered out of wastewater using the method and material developed by the group. The procedure uses sunlight as a catalyst and doesn’t involve any pressure or heat. It can remove 80 percent of dye pollutants in wastewater. by Wagamaga
This would not be the whole treatment process. I don’t think any nation does it all in one step.
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