Economic and environmental sustainability of submerged anaerobic MBR-based (AnMBR-based) technology as compared to aerobic-based technologies for moderate-/high-loaded urban wastewater treatment

JOURNAL OF ENVIRONMENTAL MANAGEMENT

卷:166

Article

Pretel, R.¹  Robles, A.¹  Ruano, M. V.²  Seco, A.²  Ferrer, J.¹ 

[1] Univ Politecn Valencia, IIAMA, Inst Univ Invest Engn Aigua Medi Ambient, E-46022 Valencia, Spain

[2] Univ Valencia, Escola Tecn Super Engn, Dept Engn Quim, E-46100 Valencia, Spain

关键词: Global warming potential (GWP);    Life cycle analysis (LCA);    Life cycle costing (LCC);    Steady-state performance modelling;    Submerged anaerobic MBR (AnMBR);   

DOI  :  10.1016/j.jenvman.2015.10.004

来源: Elsevier

【 摘 要 】

The objective of this study was to assess the economic and environmental sustainability of submerged anaerobic membrane bioreactors (AnMBRs) in comparison with aerobic-based technologies for moderate-/high-loaded urban wastewater (UWW) treatment. To this aim, a combined approach of steady-state performance modelling, life cycle analysis (LCA) and life cycle costing (LCC) was used, in which AnMBR (coupled with an aerobic-based post-treatment) was compared to aerobic membrane bioreactor (AeMBR) and conventional activated sludge (CAS). AnMBR with CAS-based post-treatment for nutrient removal was identified as a sustainable option for moderate-/high-loaded UWW treatment: low energy consumption and reduced sludge production could be obtained at given operating conditions. In addition, significant reductions can be achieved in different aspects of environmental impact (global warming potential (GWP), abiotic depletion, acidification, etc.) and LCC over existing UWW treatment technologies. (C) 2015 Elsevier Ltd. All rights reserved.

【 授权许可】

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