Purifying and Mining Wastewater Could Safely Address Global Water Shortage
That’s about1 in 4 people– a disproportionate number of whom reside in poverty-stricken areas. It’s a promising method to help us have a good deal more H2O to go around. But there’s a glaring issue. While cleaning up water, anaerobic filtration tends to create dangerous byproducts called sulfides. These are extremely harmful to our health and to the environment.