E2.01 Scherson 2014 ReNUWIt Annual Meeting Poster

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Abstract/Contents

Abstract: CANDO is a new wastewater treatment process that removes and recovers renewable energy from nitrogen waste (ammonia). The process involves three steps: (1) NH 4 + oxidization to NO 2 -, (2) NO 2 - reduction to N 2 O, and (3) N 2 O conversion to N 2 with energy recovery by using N 2 O as an oxidant in biogas combustion. This work demonstrates steps (1) and (2) at the bench-scale treating synthetic and real anaerobic digester supernatant, and step (3) at full-scale on a biogas-fed internal combustion engine with N 2 O injection. Step (1) is demonstrated by a continuous flow partial nitrifying reactor that oxidizes >85% NH4+ to NO2- . Step (2) is demonstrated by a biological strategy based on use of selection pressures that favor microorganisms that store polydroxybutyrate (PHB), an intracellular polymer, then oxidize it with nitrite reduction to N2O.

Type of resource	other
Date created	May 2014

Subject	Re-inventing the Nation’s Urban Water Infrastructure
Subject	ReNUWIt
Subject	E1.05
Subject	Efficient Engineered Systems
Subject	Energy and resource recovery
Subject	Antioch
Subject	California
Subject	ammonium
Subject	anaerobic digestion
Subject	anammox
Subject	autotrophic nitrogen removal
Subject	bacteria
Subject	biosolids
Subject	catalyst
Subject	consumption
Subject	degradation
Subject	denitrification
Subject	energy
Subject	inhibition
Subject	innovation
Subject	membrane bioreactors
Subject	microbial fuel cell
Subject	phosphorus removal
Subject	removal
Subject	sewage sludge
Subject	sewage treatment
Subject	simultaneous nitrification
Subject	supercritical water
Subject	wastewater

Related Publication	Myung, J., Wang, Z. Y., Yuan, T., Zhang, P., Van Nostrand, J. D., Zhou, J. Z., & Criddle, C. S. (2015). Production of Nitrous Oxide from Nitrite in Stable Type II Methanotrophic Enrichments. Environmental Science & Technology, 49(18), 10969-10975. http://doi.org/10.1021/acs.est.5b03385
Related Publication	Scherson, Y. D., & Criddle, C. S. (2014). Recovery of Freshwater from Wastewater: Upgrading Process Configurations To Maximize Energy Recovery and Minimize Residuals. Environmental Science & Technology, 48(15), 8420-8432. http://doi.org/10.1021/es501701s
Related Publication	Scherson, Y. D., Wells, G. F., Woo, S. G., Lee, J., Park, J., Cantwell, B. J., & Criddle, C. S. (2013). Nitrogen removal with energy recovery through N2O decomposition. Energy & Environmental Science, 6(1), 241-248. http://doi.org/10.1039/c2ee22487a
Related Publication	Scherson, Y. D., Woo, S. G., & Criddle, C. S. (2014). Production of Nitrous Oxide From Anaerobic Digester Centrate and Its Use as a Co-oxidant of Biogas to Enhance Energy Recovery. Environmental Science & Technology, 48(10), 5612-5619. http://doi.org/10.1021/es501009j
Location	https://purl.stanford.edu/gf207by4123

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

Preferred Citation: Schnerson, Yaniv D. and Woo, Sung-Geun and Cantwell, Brian J. and Criddle, Craig S. . (2014). E2.01 Scherson 2014 ReNUWIt Annual Meeting Poster. Stanford Digital Repository. Available at: https://purl.stanford.edu/gf207by4123

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

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