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Low-Cost Photoreactor to Monitor Wastewater Pollutant Decomposition.

Alberto Ruiz-Flores1, Araceli García2, Antonio Pineda2

  • 1Department of Electronic and Computer Engineering, Leonardo Da Vinci Building, Rabanales Campus, University of Cordoba, 14071 Cordoba, Spain.

Sensors (Basel, Switzerland)
|January 21, 2023
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Summary

Researchers developed a low-cost photoreactor prototype for laboratory-scale experiments. This device accelerates the decomposition of colored pollutants in wastewater using photocatalysis and monitors the degradation process.

Keywords:
chemistryphotocatalysispollutionreactorwater

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Area of Science:

  • Environmental Science
  • Chemical Engineering
  • Materials Science

Background:

  • Water quality is a key indicator of human environmental impact.
  • Industrial growth has led to recalcitrant pollutants like dyes and medicines in wastewater.
  • Effective wastewater treatment is crucial to prevent future environmental damage.

Purpose of the Study:

  • To design and develop a laboratory-scale photoreactor prototype for pollutant decomposition.
  • To integrate a photometric technique for light emission and a monitoring system.
  • To assess the efficiency of photocatalysis in degrading colored pollutants.

Main Methods:

  • Developed a photoreactor prototype for laboratory-scale photocatalytic experiments.
  • Utilized open-source hardware (Arduino) for a low-cost monitoring system.
  • Created software for reactor-computer communication and data visualization.

Main Results:

  • The photoreactor prototype successfully facilitated the decomposition of colored pollutants.
  • The integrated monitoring system effectively tracked the dye degradation process.
  • The device demonstrated an acceleration of the photodegradation reaction.

Conclusions:

  • The developed photoreactor is an effective tool for laboratory-scale pollutant decomposition studies.
  • The use of open-source hardware offers a cost-effective solution for environmental monitoring.
  • This technology aids in understanding and accelerating wastewater treatment processes.