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Weighted multiparameter compliance efficiency method for effluent assessment.

André Von-held Soares1

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|March 8, 2014
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Summary
This summary is machine-generated.

This study introduces a new numerical indicator for assessing effluent quality, considering pollutant levels, regulatory stringency, and discharge flow. This method aids environmental managers in objectively comparing polluters and treatment technologies.

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Area of Science:

  • Environmental Science
  • Water Quality Management
  • Environmental Engineering

Background:

  • Effective numerical indicators are vital for environmental management.
  • Assessing effluent quality requires robust quantitative methods.
  • Existing methods may not fully capture regulatory compliance nuances.

Purpose of the Study:

  • To develop and validate a novel numerical indicator for effluent assessment.
  • To incorporate flow and chemical-specific weighting factors into the indicator.
  • To provide a tool for objective comparison of effluents and regulations.

Main Methods:

  • A method was developed based on four premises: zero pollutants ideal, stricter regulations have higher weighting, weighting derived from regulations, and lower volumetric discharge is more efficient.
  • The method was applied to effluent data and regulations from France, the USA, and Brazil.
  • Analysis focused on comparing regulations, flow-compliance relationship, and different effluent streams.

Main Results:

  • The developed indicator allows for periodic assessment of instantaneous compliance efficiency.
  • It enables comparative assessment of effluents against different regulations.
  • The method facilitates comparison of diverse effluents under the same regulatory framework.

Conclusions:

  • The proposed numerical indicator offers a standardized and objective approach to effluent assessment.
  • It supports environmental managers and researchers in evaluating polluters and treatment technologies.
  • The method enhances the ability to monitor and manage wastewater discharge effectively.