Nitrogen Removal at Bargain Cost

Effective use of data helps treatment plants in Amherst, Mass., and other communities take out nutrients without costly facility upgrades.
Nitrogen Removal at Bargain Cost

Nutrient removal can be expensive. To meet new nitrogen limits for the 7.1 mgd wastewater treatment plant in Amherst, Mass., a state study determined that a $61 million upgrade was needed. Instead, the city is getting the job done for $75,000 by making informed process...

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