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Related Experiment Videos

Mixed streams wastewater treatment using adsorption.

A K Rathi1, S A Puranik

  • 1Govt. of Gujarat Industries Commissionerate, Udyog Bhavan, Gandhi Nagar.

Indian Journal of Environmental Health
|September 25, 2003
PubMed
Summary

Synergistic effects in wastewater adsorption were observed for mixed pollutant streams using inexpensive adsorbents. The Rathi Puranik model can predict chemical oxygen demand reduction in complex industrial wastewater.

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Authors' reply.

Indian journal of pediatrics·2013

Area of Science:

  • Environmental Chemistry
  • Adsorption Science

Background:

  • Single and multi-solute adsorption studies often report synergistic effects.
  • Wastewater from dyes manufacturing presents complex multi-solute challenges.

Purpose of the Study:

  • To extend the theory of enhancement ratios to real industrial wastewater streams.
  • To investigate synergistic effects in mixed pollutant adsorption using inexpensive adsorbents.

Main Methods:

  • Application of enhancement ratio theory to mixed stream wastewater samples.
  • Utilizing the Rathi Puranik model for chemical oxygen demand (COD) reduction prediction.
  • Evaluating synergistic effects of multi-solutes and adsorbent mixtures.

Main Results:

  • Synergistic effects were confirmed for both multi-solutes and mixtures of adsorbents in industrial wastewater.
  • The Rathi Puranik model demonstrated applicability to mixed stream wastewater via COD reduction prediction.
  • The concept of average apparent enhancement factor was explored.

Conclusions:

  • The enhancement ratio theory is adaptable to complex industrial wastewater.
  • Inexpensive adsorbents exhibit synergistic properties for treating mixed pollutant streams.
  • Predictive models can be extended to assess mixed wastewater treatment efficacy.

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