Energy Demand of Nitrogen and Phosphorus Based Fertilizers and Approaches to Circularity
Source abstract
Abstract
High Resolution Image Download MS PowerPoint Slide The climate-related concerns associated with the manufacturing of synthetic fertilizers are largely traced back to energy and carbon emissions during the chemical manufacturing of ammonia. However, synthetic fertilizers are made up of several macronutrients (nitrogen, phosphorus and potassium), each with different energy intensities and environmental impacts. With the movement toward resource circularity, there is a need to create a more holistic view regarding the process energy associated with synthetic inorganic fertilizers, including nitrogen and phosphorus. Here, we first describe the growing production and consumption of inorganic (synthetic) and organic (animal waste) nutrients in agriculture as well as the process energy associated with the production of granular phosphorus and nitrogen-based fertilizers. Next, we present projected global demand of nitrogen and phosphorus nutrients based on various sustainability and societal equity scenarios to make an argument for nutrient recovery as a viable approach to meet this demand. Finally, we discuss the characteristics and challenges of emerging technologies for nutrient recovery along with baseline performance and costs of current operational recovery facilities.
Source: openalex_inverted_index · Quality: baseline
Research context
OpenAlex topics: Phosphorus and nutrient management · Wastewater Treatment and Nitrogen Removal · Ammonia Synthesis and Nitrogen Reduction
SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.
Affiliations
Institute for Sustainable Energy and the Environment, Department of Chemical and Biomolecular Engineering, Ohio University, Athens, Ohio 45701, United States
Department of Chemical and Biomolecular Engineering, Ohio University, Athens, Ohio 45701, United States
George W. Woodruff School of Mechanical Engineering, Georgia Institute of Technology, Atlanta, Georgia 30332, United States
School of Chemical and Biomolecular Engineering, Georgia Institute of Technology, Atlanta, Georgia 30332, United States
Funding
Office of Energy Efficiency and Renewable Energy · Division of Chemical, Bioengineering, Environmental, and Transport Systems · Ohio Water Development Authority
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