E2.01 Woo 2016 ReNUWIt Annual Meeting Poster

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Abstract/Contents

Abstract: Recently, we introduced a novel short-circuit nitrogen removal and energy recovery process, Coupled Aerobic-anoxic Nitrous Decomposition Operation (CANDO). In the bench-top scale demonstration, anaerobic digester centrate was supplied to an aerobic partial nitrifying bioreactor with 95% conversion of NH4+ to NO 2 - (Step 1). The resulting nitrite-rich solution was transferred to a partial- 2 denitrifying bioreactor and reduced to N2O (Step 2) with 75−80% conversion, with the remainder presumably assimilated, and >95% overall nitrogen removal. The pilot-scale reactor has been scaled-up from the bench-scale reactor and currently running at Delta Diablo. Several possible N2O producers in bench-scale reactors were isolated and whole-genome sequenced. They will be used as an inoculum for the pilot-scale CANDO reactor at Delta Diablo.

Type of resource	other
Date created	May 2016

Subject	Re-inventing the Nation’s Urban Water Infrastructure
Subject	ReNUWIt
Subject	E2.01
Subject	Efficient Engineered Systems
Subject	Energy and resource recovery
Subject	Delta Diablo Sanitation District
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/xq192zh0490

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Preferred Citation: Woo, Sung-Geun and Wang, Zhiyue and Roa, Amanda and Darling, Gary and Criddle, Craig. (2016). E2.01 Woo 2016 ReNUWIt Annual Meeting Poster. Stanford Digital Repository. Available at: https://purl.stanford.edu/xq192zh0490

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

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