Breaking through limits of technology: Nitrate removal using membrane biofilm reactor

Breaking through limits of technology: Nitrate removal using membrane biofilm reactor
Richard Buday takes daily reads, recording information from the C-More HMI (Automation Direct) for final product nitrate level, final product turbidity, final product Cl2, pH and temperature to ensure they are meeting required limitations. The system has safeguards built into the programming so if they are not on spec water is diverted to the sewer until the system corrects itself. (Photos by Dustin Hochreiter)

What do the Fighting Irish of Notre Dame University in South Bend, Ind., have to do with Rancho Cucamonga, a growing suburban community seated in the foothills of Southern California’s Angeles National Forest? In a word: Nitrates. 

Rancho Cucamonga was once home to dozens of...

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