Aeration control in membrane bioreactor for sustainable environmental footprint

Giorgio Mannina, Alida Cosenza, Giorgio Mannina, Alida Cosenza, Taise Ferreira Rebouças

Research output: Contribution to journalArticlepeer-review

5 Citations (Scopus)


In this study different scenarios were scrutinized to minimize the energy consumption of a membrane bioreactor system for wastewater treatment. Open-loop and closed-loop scenarios were investigated by two-step cascade control strategies based on dissolved oxygen, ammonia and nitrite concentrations. An integrated MBR model which includes also the greenhouse gas formation/emission processes was applied. A substantial energy consumption reduction was obtained for the closed-loop scenarios (32% for Scenario 1 and 82% for Scenario 2). The air flow control based on both ammonia and nitrite concentrations within the aerobic reactor (Scenario 2) provided excellent results in terms of reduction of operating cost reduction (64%), direct (10%) and indirect (81%) emissions.
Original languageEnglish
Pages (from-to)122734-
Number of pages9
JournalBioresource Technology
Publication statusPublished - 2020

All Science Journal Classification (ASJC) codes

  • Bioengineering
  • Environmental Engineering
  • Renewable Energy, Sustainability and the Environment
  • Waste Management and Disposal


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