E2.01 Wang 2018 ReNUWIt Annual Meeting Poster

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Abstract/Contents

Abstract: The CANDO system removes NH4+ from anaerobic digester reject water by nitritation followed by denitritation, converting the nitrite into N2O The N2O is a source of renewable energy. Two lab-scale denitritation reactors were operated in parallel to study the mechanism and stoichiometry of N2O production and collection. For different timings of nitrite addition, the two reactors exhibited divergent microbial community structures and performance. A key intermediate is polyhydroxyalkanoate (PHA). To maximize N2O production, nitrite addition had to be timed to coincide with maximum PHA accumulation. Modelling is expected to yield design parameters needed for system optimization and further scale-up.

Type of resource	other
Date created	May 2018

Subject	Re-inventing the Nation’s Urban Water Infrastructure
Subject	ReNUWIt
Subject	E2.01
Subject	Efficient Engineered Systems
Subject	Energy and resource recovery
Subject	Stanford
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/gx269gj9937

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Preferred Citation: Wang, Zhiyue and Woo, Sug-Geun and Yao, Yinuo and Criddle, Craig. (2018). E2.01 Wang 2018 ReNUWIt Annual Meeting Poster. Stanford Digital Repository. Available at: https://purl.stanford.edu/gx269gj9937

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

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