E2.02A Delanka-Pedige 2018 ReNUWIt Annual Meeting Poster

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Abstract/Contents

Abstract: Pathogen-removal capability of the POWER* system is compared against that of an existing wastewater treatment system (WWTS). The POWER system reduced total and fecal coliform in the influent (2.3×107 CFU/100mL and 1.4×107 CFU/ 100mL, respectively) to non-detectable levels. In comparison, the WWTS- effluent still contained 1×104/100mL total coliform and 3×103/100mL fecal coliform exceeding the discharge standards. The POWER system completely eliminated somatic coliphages to non-detectable levels, while the WWTS achieved 2.24 log reduction. Both systems were effective in reducing F-specific coliphages to non-detectable levels.
qPCR analysis confirmed 98% reduction of total bacteria and complete removal of Enterococcus faecalis and Escherichia coli in the POWER system. Illumina MiSeq sequencing revealed diverse bacteria phyla (>10 classifications) in the WWTS-effluent; whereas, only two classifications were detected in the effluent of the POWER system, with substantial alteration of the bacterial profile- Acidobacteria phylum being the most dominant (98%), and Proteobacteria, the least (2%).

Type of resource	other
Date created	May 2018

Author	Delanka-Pedige, Himali M.K.
Author	Munasinghe-Arachchige, Srimali P.
Author	Henkanatte-Gedera, Shanka M.
Author	Tchinda, Duplex
Author	Zhang, Yanyan
Author	Nirmalakhandan, Nagamany

Subject	Re-inventing the Nation’s Urban Water Infrastructure
Subject	ReNUWIt
Subject	E2.02A
Subject	Efficient Engineered Systems
Subject	Energy and resource recovery
Subject	Las Cruces
Subject	New Mexico
Subject	algal wastewater treatment
Subject	bacteria
Subject	dissolved oxygen
Subject	escherichia coli
Subject	growth
Subject	microbial community
Subject	microorganisms
Subject	organic carbon
Subject	pathogen inactivation
Subject	pathogens
Subject	recovery
Subject	removal
Subject	substances
Subject	sunlight
Subject	survival
Subject	temperature
Subject	toxicity

Related Publication	Delanka-Pedige, H. M. K., Munasinghe-Arachchige, S. P., Cornelius, J., Henkanatte-Gedera, S. M., Tchinda, D., Zhang, Y. Y., & Nirmalakhandan, N. (2019). Pathogen reduction in an algal-based wastewater treatment system employing Galdieria sulphuraria. Algal Research-Biomass Biofuels and Bioproducts, 39. http://doi.org/10.1016/j.algal.2019.101423
Related Publication	Munasinghe-Arachchige, S. P., Delanka-Pedige, H. M. K., Henkanatte-Gedera, S. M., Tchinda, D., Zhang, Y. Y., & Nirmalakhandant, N. (2019). Factors contributing to bacteria inactivation in the Galdieria sulphuraria-based wastewater treatment system. Algal Research-Biomass Biofuels and Bioproducts, 38. http://doi.org/10.1016/j.algal.2018.101392
Location	https://purl.stanford.edu/tn565sg1213

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Preferred Citation: Delanka-Pedige, Himali M.K. and Munasinghe-Arachchige, Srimali P. and Henkanatte-Gedera, Shanka M. and Tchinda, Duplex and Zhang, Yanyan and Nirmalakhandan, Nagamany. (2018). E2.02A Delanka-Pedige 2018 ReNUWIt Annual Meeting Poster. Stanford Digital Repository. Available at: https://purl.stanford.edu/tn565sg1213

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

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