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Related Experiment Videos

Industrial effluent B.O.D. Quanta and expected causes.

A Tewari1, S Chaurasia, N P Shukla

  • 1Chemical Engineering Department, H. B. Technological Institute, Kanpur, India.

Reviews on Environmental Health
|January 1, 1991
PubMed
Summary

This study investigates factors causing variations in biological oxygen demand (B.O.D.) in industrial wastewater. Understanding these causes is crucial for effective wastewater treatment and pollution control.

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Area of Science:

  • Environmental Science
  • Analytical Chemistry
  • Water Quality Management

Background:

  • Biological Oxygen Demand (B.O.D.) is a key indicator of organic pollution in water bodies.
  • Industrial effluents are significant contributors to wastewater pollution.
  • Variations in B.O.D. levels complicate accurate pollution assessment and treatment strategies.

Purpose of the Study:

  • To identify and analyze the diverse factors influencing B.O.D. fluctuations in various industrial wastewaters.
  • To provide a comprehensive understanding of the causes behind B.O.D. variability.
  • To aid in developing more effective wastewater management protocols for industrial discharges.

Main Methods:

  • Review of existing literature on B.O.D. testing and influencing factors.

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  • Analysis of case studies from different industrial sectors.
  • Identification of common and unique causes of B.O.D. variation based on effluent characteristics.

    • Main Results:

    • Identified key factors such as temperature, pH, presence of inhibitory substances, and microbial activity influencing B.O.D.
    • Highlighted differences in B.O.D. variation causes across various industrial effluent types (e.g., chemical, food processing, textile).
    • Quantified the impact of specific pollutants on B.O.D. levels.

    Conclusions:

    • B.O.D. variations in industrial wastewater are multifactorial and highly dependent on the specific industrial process and effluent composition.
    • Accurate B.O.D. measurement requires consideration of these influencing factors for reliable wastewater quality assessment.
    • Further research into specific industrial effluent characteristics is needed for tailored B.O.D. management strategies.