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Application of Hybrid Hydrodynamic Cavitation in Dye Intermediate Waste Water Treatment


Unnat Shah , Adishwar College of Engineering-Venus


Hybrid Hydrodynamic Cavitation, Waste Water Treatment


Wastewater discharge from industrial units containing newer and refractory chemicals is a significant problem for conventional treatment plants. The release of this toxic wastewater into the natural environment is not only hazardous to aquatic life but also creates significant environmental concerns. Conventional wastewater treatment methods like adsorption on activated carbon, extraction, and chemical oxidation have limitations such as limited applicability. Hydrodynamic cavitation has emerged as promising technology for COD reduction as it does not require chemicals and sludge generation is also very less in this process. This process results in sudden drop and increase of pressure in a liquid, which creates cavities and bubbles followed by sudden and violent collapse. Hydrodynamic cavitation has application potential in wastewater treatment, but sometimes it is also difficult to obtain satisfactory treatment efficiency by using hydrodynamic cavitation alone. In these situations, the process could be supplemented by other advanced oxidation processes (AOPs) to generate more oxidizing agents. Hydrodynamic cavitation treatment removal efficiency enhanced by adding oxidizing agent like H2O2, FeSO4, Chlorine etc. & it is also known as hybrid hydrodynamic cavitation. A study was undertaken for effect Hybrid hydrodynamic cavitation for degradation of pollutant from Dye intermediate waste water by & chlorine gas was used in hydrodynamic cavitation. Study shows that with the use of chlorine in hybrid hydrodynamic cavitation, 74.15 % removal in COD & 84.06% removal in colour from dye intermediate wastewater is observed.

Other Details

Paper ID: IJSRDV7I40010
Published in: Volume : 7, Issue : 4
Publication Date: 01/07/2019
Page(s): 1-3

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