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We'd rather not think about it, but the process of how sewage is transformed back into drinkable water is one of the great, underappreciated marvels of modern life.
But how does this happen? In our latest ChemMatters video, we're going to show you how wastewater goes from polluted to pure. To get more acquainted with this process, we visited DC Water's Blue Plains Advanced Wastewater Treatment Plant, which treats a whopping 370 million gallons of sewage a day!