E2.02A Cheng 2019 ReNUWIt Annual Meeting Poster

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Abstract/Contents

Abstract: In this study, the capability of the POWER* system in controlling antibiotic resistance was investigated in comparison with that in conventional wastewater treatment processes. Metagenomic analysis was used to reveal the microbial community structure and dissemination of antibiotic resistance genes (ARGs) after different treatment processes. It was found that activated sludge system can promote the spread of ARGs by horizontal gene transfer (HGT), while chlorination is also considered as a way to increase some type of ARGs. Compared with conventional treatment units, algal-based wastewater treatment system (POWER system) had significantly higher removal of ARGs, both in abundance and diversity. The reduced antibiotic resistance after the treatment of POWER system may be attributed to less variety of bacteria and lower abundance of microorganism. This study demonstrated that the POWER system is a promising process to decrease ARGs in the treated water, thus minimizing the spread of antibiotic resistance to the environment.

Type of resource	other
Date created	May 2019

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

Location	https://purl.stanford.edu/jf531rj9346

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

Preferred Citation: Cheng, Xiaoxiao and Zhang, Yanyan and Nirmalakhandan, Nagamany. (2019). E2.02A Cheng 2019 ReNUWIt Annual Meeting Poster. Stanford Digital Repository. Available at: https://purl.stanford.edu/jf531rj9346

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

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