Removing Nutrients: What Price?

U.S. EPA collects data on cost-effective and efficient approaches to meeting stricter nitrogen and phosphorus permit requirements

Stricter effluent nutrient limits pose a dilemma for clean-water plant teams: How to comply with the new permit, and at what cost?

Major plant upgrades to drive down nitrogen and (especially) phosphorus levels can cost millions of dollars and may be out of reach for facilities...

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