E2.08 Fusi 2019 ReNUWIt Annual Meeting Poster

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Abstract/Contents

Abstract: Source separation, the process of separating urine and feces at the toilet, is gaining attention for its potential to recover macronutrients (N,P,K), and lower the global greenhouse-gas footprint, and reduce environmental pollution. Urine contains 80% of the total nitrogen load of wastewater streams, but constitutes only 1% of the total volume. The extraction of nitrogen directly from urine could eliminate the need for nitrification and denitrification processes, and therefore reduce the overall energy demand of conventional wastewater treatment. Nitrogen (in the form of ammonium) can be extracted from source-separated urine via cation exchange and acid elution, and is readily available for plant uptake.

Type of resource	other
Date created	May 2019

Subject	Re-inventing the Nation’s Urban Water Infrastructure
Subject	ReNUWIt
Subject	E2.08
Subject	Efficient Engineered Systems
Subject	Energy and resource recovery
Subject	California

Location	https://purl.stanford.edu/rs604tq9846

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License: This work is licensed under an Open Data Commons Attribution License v1.0.

Preferred Citation: Fusi, S., Tarpeh, W. A., Kavvada, O., and Nelson, K. L. (2019). E2.08 Fusi 2019 ReNUWIt Annual Meeting Poster. Stanford Digital Repository. Available at: https://purl.stanford.edu/rs604tq9846

Re-inventing the Nation's Urban Water Infrastructure (ReNUWIt)

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