Is new nitrogen removal tech just hot air?

Approaches to removing nitrogen from wastewater streams are evolving as concern surrounding energy consumption and the quality of water discharges grows. GWI looks at the technologies shaking things up.

The proliferation of algal blooms in water bodies across the globe, caused by high levels of nitrogen and phosphorus, is driving the concept of nutrient removal – and nitrogen removal in particular – up the agenda for both municipalities and industries. Modifications to the traditional nitrification-denitrification process, which can help reduce the high energy costs, are attracting...