Explaining what is tertiary treatment for clean water
If you've ever wondered why our tap water doesn't taste like a swamp or how cities manage to keep local rivers from turning into giant algae bowls, you're essentially asking what is tertiary treatment and how it functions as the final safety net for our water supply. It's the high-tech, "polishing" phase of wastewater treatment that happens after the heavy lifting is already done. While most people have a vague idea that sewers lead to treatment plants, the specifics of how that water becomes safe again are usually a bit of a mystery. ...