Evaluation of wastewater treatment in a novel anoxic-aerobic algal-bacterial photobioreactor with biomass recycling through carbon and nitrogen mass balances.

Cynthia Alcántara,Jesús M Domínguez,Dimas García,Saúl Blanco,Rebeca Pérez,Pedro A García-Encina,Raúl Muñoz

Bioresource Technology（2015）

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摘要

•A HRT of 2days enabled TOC, IC and TN removal efficiencies of ≈80%.•Light intensity and DOC governed the extent of N removal mechanisms.•Biomass recycling resulted in fast settling flocs and low effluent TSS.•Chlorella vulgaris and Proteobacteria were the main microorganisms in the system.•N2O emissions were far below the reported IPCC emission factor for WWTPs.

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关键词

Algal–bacterial symbiosis,Dissimilatory nitrogen removal,Enhanced sedimentation,Inorganic carbon competition,Nitrous oxide emissions

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