E2.08 Tarpeh 2017 ReNUWIt Annual Meeting Poster

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Abstract/Contents

Abstract: Only 10% of wastewater treatment plants in the U.S. use conventional nitrification/denitrification at wastewater treatment plants.1 Source separation (separation of urine and feces at the toilet) and nutrient recovery from urine comprise an innovative approach to reduce eutrophication and create value- added products. Compared to N removal at wastewater treatment plants, extracting nitrogen from source-separated urine could create revenue from value- added products and reduce energy use, costs, and N2O emissions2,3. The goal of this project is to evaluate the systems-level feasibility of recovering nitrogen from urine using two novel technologies: ion exchange and electrochemical stripping. As nutrient removal standards become more stringent, the need to consider alternatives to conventional nutrient removal becomes more pressing.

Type of resource	other
Date created	May 2017

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
Subject	adsorption
Subject	ammonium
Subject	biochar
Subject	chlorine
Subject	clinoptilolite
Subject	contaminants
Subject	fertilizer
Subject	life cycle assessment
Subject	management
Subject	micropollutants
Subject	nitrogen
Subject	nutrient recovery
Subject	nutrient removal
Subject	pharmaceuticals
Subject	phosphate removal
Subject	precipitation
Subject	removal
Subject	sanitation
Subject	sorption
Subject	source separated urine
Subject	technologies
Subject	trace organic contaminants
Subject	urine
Subject	wastewater
Subject	wastewater treatment

Related Publication	Tarpeh, W. A., Kavvada, O., & Nelson, K. L. (2017). Household Ion Exchange Cartridges for Nitrogen Recovery from Urine. Paper presented at the Proceedings of the Water Environment Federation. http://doi.org/10.2175/193864717822155975
Related Publication	Tarpeh, W. A., Barazesh, J. M., Cath, T. Y., & Nelson, K. L. (2018). Electrochemical Stripping to Recover Nitrogen from Source-Separated Urine. Environmental Science & Technology, 52(3), 1453-1460. http://doi.org/10.1021/acs.est.7b05488
Related Publication	Tarpeh, W. A., Udert, K. M., & Nelson, K. L. (2017). Comparing Ion Exchange Adsorbents for Nitrogen Recovery from Source-Separated Urine. Environmental Science & Technology, 51(4), 2373-2381. http://doi.org/10.1021/acs.est.6b05816
Related Publication	Tarpeh, W. A., Wald, I., Omollo, M. O., Egan, T., & Nelson, K. L. (2018). Evaluating ion exchange for nitrogen recovery from source-separated urine in Nairobi, Kenya. Development Engineering, 3, 188-195. https://doi.org/10.1016/j.deveng.2018.07.002
Related Publication	Tarpeh, W. A., Wald, I., Wiprachtiger, M., & Nelson, K. L. (2018). Effects of operating and design parameters on ion exchange columns for nutrient recovery from urine. Environmental Science-Water Research & Technology, 4(6), 828-838. http://doi.org/10.1039/c7ew00478h
Location	https://purl.stanford.edu/xt830wt9305

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Preferred Citation: Tarpeh, W. A., Wald, I., Nelson, K. L., and Higgins, C.P. (2017). E2.08 Tarpeh 2017 ReNUWIt Annual Meeting Poster. Stanford Digital Repository. Available at: https://purl.stanford.edu/xt830wt9305

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

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