E2.02A Bandara 2018 ReNUWIt Annual Meeting Poster

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Abstract/Contents

Abstract: Urban wastewater is being realized as a resource from which water, energy, and nutrients can be recovered for beneficial reuse. The alga-based POWER* system developed under ReNUWIt funding has been demonstrated as an energy-efficient system for removing dissolved organic carbon and nutrients from primary effluent to the required discharge standards in a single step. Ability of the POWER system in recovering net energy and nutrients from wastewaters has been demonstrated. Recently, the ability of the POWER system in inactivating pathogenic organisms has also been demonstrated. This study evaluated the feasibility of harvesting algal biomass and recovering potable quality water from the effluent of the POWER system by coupling it with a hybrid forward osmosis (FO) and reverse osmosis (RO) system. Water quality of samples collected from points across the existing wastewater treatment plant is compared against that of samples collected across the POWER/FO/RO system to demonstrate the viability of this coupled system. Results of this preliminary study shows that the product water from the POWER+FO/RO system can meet the USEPA drinking water standards with zero liquid discharge.

Type of resource	other
Date created	May 2018

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

Location	https://purl.stanford.edu/bg389cr2757

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

Preferred Citation: Bandara, G.L. Chathurika L. and Lin, Lu and Jiag, Wenbin and Abeysiriwardana, Isuru and Nirmalakhandan, Nagamany and Xu, Pei. (2018). E2.02A Bandara 2018 ReNUWIt Annual Meeting Poster. Stanford Digital Repository. Available at: https://purl.stanford.edu/bg389cr2757

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

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