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Intelligent Clustering Techniques for the Reduction of Chemicals in Water Treatment Plants

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  • André Felipe Henriques Librantz

    (Informatics and Knowledge Management Graduate Program, Nove de Julho University (Uninove), São Paulo 03155-000, Brazil)

  • Fábio Cosme Rodrigues dos Santos

    (Informatics and Knowledge Management Graduate Program, Nove de Julho University (Uninove), São Paulo 03155-000, Brazil)

Abstract

Currently, the use of intelligent models for decision making in the water treatment process is very important, as many plants support their implementation with the aim of obtaining economic, social, and environmental gains. Nevertheless, for these systems to be properly modeled, the data should be carefully selected so that only those that represent good operating practices are used. Thus, this study proposes an approach for identifying water quality and operational scenarios using the expectation maximisation (EM) and self-organising maps (SOMs) techniques when using data from a water treatment plant. The results showed that both techniques were able to identify quantities of different scenarios, some similar and others different, allowing for the evaluation of differences in a robust way. The EM technique resulted in fewer scenarios when compared with the SOMs technique, including in the cluster selection process. The results also indicated that an intelligent model can be trained with data from the proposed clustering, which improves its prediction capacity under different operating conditions; this can lead to savings in chemical product usage and less waste generation throughout the water treatment process, which is in good agreement with cleaner production practices.

Suggested Citation

  • André Felipe Henriques Librantz & Fábio Cosme Rodrigues dos Santos, 2023. "Intelligent Clustering Techniques for the Reduction of Chemicals in Water Treatment Plants," Sustainability, MDPI, vol. 15(8), pages 1-18, April.
    • Handle: RePEc:gam:jsusta:v:15:y:2023:i:8:p:6579-:d:1122439
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    References listed on IDEAS

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    1. Mosleh Hmoud Al-Adhaileh & Fawaz Waselallah Alsaade, 2021. "Modelling and Prediction of Water Quality by Using Artificial Intelligence," Sustainability, MDPI, vol. 13(8), pages 1-18, April.
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