The impact of the art-ICA control technology on the performance, energy consumption and greenhouse gas emissions of full-scale wastewater treatment plants

Anabela Vieira, Ricardo Marques, Ricardo Raposo, Margarida Martins, Rita Alves, Pedro Povoa, Ion Irizar, Sergio Beltrán, Peter Craamer, Gorka Urchegui, Adrian Oehmen

Research output: Contribution to journalArticle

Abstract

Advanced real time – Instrumentation, Control, and Automation (Art-ICA) controllers are an advanced control solution for biological nutrient removal wastewater treatment plants. Art-ICA has been previously shown to be capable of enhancing nutrient removal performance in BNR plants, at lower energy expenditures. However, the impact that this control solution has on the greenhouse gas emissions from full-scale wastewater treatment plants has not previously been addressed. This work addresses the effect of art-ICA on the performance, energy consumption and greenhouse gas emissions of two full-scale WWTPs, Chelas and Castelo Branco (Portugal). The raw wastewater, nitrous oxide emissions, energy consumption and water discharges were quantified in two independent trains operated under different operational modes, conventional operation and art-ICA control. The implementation of the art-ICA strategy improved the effluent quality and reduced the operational costs, resulting in a better performance of these WWTPs. The art-ICA controllers activation led to a reduction of 54% and 7–10% of the total nitrogen effluent and in the specific energy consumption, respectively. Moreover, process control with art-ICA did not have a negative impact on the N2O emissions of the plants, and contributed to lower global warming potential by the facilities. The lower indirect carbon dioxide production due to lower energy consumption contributes to the observation that art-ICA control is environmentally preferable to conventional control.

Original languageEnglish
Pages (from-to)680-687
Number of pages8
JournalJournal of Cleaner Production
Volume213
DOIs
Publication statusPublished - 10 Mar 2019

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Independent component analysis
Gas emissions
Greenhouse gases
art
Wastewater treatment
greenhouse gas
Energy utilization
automation
instrumentation
Nutrients
Effluents
effluent
Automation
Controllers
nitrous oxide
Global warming
train
expenditure
energy consumption
wastewater treatment plant

Keywords

  • Biological nutrient removal (BNR)
  • Energy savings
  • Greenhouse gas (GHG) production
  • Multivariable control
  • Nitrous oxide emissions

Cite this

Vieira, Anabela ; Marques, Ricardo ; Raposo, Ricardo ; Martins, Margarida ; Alves, Rita ; Povoa, Pedro ; Irizar, Ion ; Beltrán, Sergio ; Craamer, Peter ; Urchegui, Gorka ; Oehmen, Adrian. / The impact of the art-ICA control technology on the performance, energy consumption and greenhouse gas emissions of full-scale wastewater treatment plants. In: Journal of Cleaner Production. 2019 ; Vol. 213. pp. 680-687.
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The impact of the art-ICA control technology on the performance, energy consumption and greenhouse gas emissions of full-scale wastewater treatment plants. / Vieira, Anabela; Marques, Ricardo; Raposo, Ricardo; Martins, Margarida; Alves, Rita; Povoa, Pedro; Irizar, Ion; Beltrán, Sergio; Craamer, Peter; Urchegui, Gorka; Oehmen, Adrian.

In: Journal of Cleaner Production, Vol. 213, 10.03.2019, p. 680-687.

Research output: Contribution to journalArticle

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