E2.02A Tchinda 2017 ReNUWIt Annual Meeting Poster

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Abstract/Contents

Abstract: In this study, we have demonstrated the ability of Galderia Sulphuraria an acidophilic, thermotolerant, algal species, in removing organic carbon, ammoniacal nitrogen and phosphate from primary settled wastewater. A photosynthetically oxygenated waste to energy recovery (POWER) system utilizing G.sulphuraria was engineered to treat primary settled wastewater and to recover net energy and nutrients. This long term study confirmed that G.sulphuraria was able to grow well in primary-settled wastewater and to reduce the organic carbon (measured as BOD5) level of over 70%, the ammoniacal nitrogen level of over 85% and phosphate level of over 90% in three days. In addition, the system achieved effective removal of inorganic ions and heavy metals such as Fe, As, Se, Al, Ca, Mg, Cr. The system achieved decrease in coliforms counts from 3*10^7 in the primary effluent to non-detectable level in 6 days.

Type of resource	other
Date created	May 2017

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 Wastewater Treatment Plant
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/zn260ft6244

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

Preferred Citation: Tchinda, Duplex and Gedera, Shanka Henkanatte and Nirmalakhandan, Nagamany. (2017). E2.02A Tchinda 2017 ReNUWIt Annual Meeting Poster. Stanford Digital Repository. Available at: https://purl.stanford.edu/zn260ft6244

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

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