Happy Birthday, Activated Sludge

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A couple weeks ago, I attended a special event sponsored by the Water Environment Federation (WEF) at Stonehill College in Massachusetts, focused on the future of wastewater treatment. The event title: “Activated Sludge on its 100th Birthday: Challenges and Opportunities.”

Upon returning, several non-technical colleagues laughed at my excitement about “the birthday of activated sludge.”  The hilarity at my expense made me realize that to the non-technical, it’s a quirky phrase.

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