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Published on: January 22, 2018
Learning from microorganisms: using new insights in microbial physiology for sustainable nitrogen management
Paloma Garrido-Amador1, Margarita Kniaziuk1, Bram Vekeman1
1Microbial Physiology Group, Max Planck Institute for Marine Microbiology, Bremen, Germany.
Abstract:
Diverse nitrogen-transforming microorganisms with a wide variety of physiological properties are employed for biological nitrogen removal from wastewater. There are many technologies that achieve the required nitrogen discharge standards; however, greenhouse gas emissions and energy consumption constitute the bulk of the environmental footprint of wastewater treatment plants. In this review, we highlight current and proposed approaches aiming to achieve more energy-efficient and environment-friendly biological nitrogen removal, discuss whether new discoveries in microbial physiology of nitrogen-transforming microorganisms could be used to reduce greenhouse gas emissions, and summarize recent advances in ammonium recovery from wastewater.
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