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Coagulation/Flocculation/Sedimentation Applied to Marble Processing Wastewater Treatment

Author

Listed:
  • Asimina Domopoulou
  • Konstantinos Gudulas
  • Efthimios Papastergiadis
  • Vayos Karayannis

Abstract

In the current work, the application of chemical coagulation/flocculation/sedimentation, an established and low cost method, to marble processing wastewater treatment is studied, and the optimum conditions for the maximum solid waste removal are investigated. The environmental impact from the operation of a modern marble processing plant is actually important, due to the consumption of high amounts of water resulting in the production of high effluent volumes, and therefore particular efforts are made for the efficient wastewater treatment in order to recover and reuse the effluents of the process, and avoid uncontrolled discharge and disposal of solid residue from the primary wastewater treatment. For that purpose, hydrated metal salts including Al2(SO4)3.18H2O, FeCl3.6H2O and FeSO4.7H2O were examined for their turbidity removal capacity under various dosages and studied in relation to the wastewater pH and electrical conductivity. Jar test results showed that FeCl3.6H2O presented the highest turbidity removal ability at doses of about 0.375 g/L, while the poorest coagulation/flocculation potential was found for FeSO4.7H2O. The findings of this study are expected to contribute to the preparation of a strategic plan for the integrated management of marble processing operations with a lower environmental footprint.

Suggested Citation

  • Asimina Domopoulou & Konstantinos Gudulas & Efthimios Papastergiadis & Vayos Karayannis, 2015. "Coagulation/Flocculation/Sedimentation Applied to Marble Processing Wastewater Treatment," Modern Applied Science, Canadian Center of Science and Education, vol. 9(6), pages 137-137, June.
    • Handle: RePEc:ibn:masjnl:v:9:y:2015:i:6:p:137
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    References listed on IDEAS

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    1. Syafalni S. & Ismail Abustan & Norli Ismail & Tan Kwan, 2012. "Production of Bioflocculant by Chryseomonas Luteola and Its Application in Dye Wastewater Treatment," Modern Applied Science, Canadian Center of Science and Education, vol. 6(5), pages 1-13, May.
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      More about this item

      JEL classification:

      • R00 - Urban, Rural, Regional, Real Estate, and Transportation Economics - - General - - - General
      • Z0 - Other Special Topics - - General

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