DOI : https://doi.org/10.18517/ijaseit.8.3.3922

Disinfection of Escherichia coli Bacteria Using Combination of Ozonation and Hydrodynamic Cavitation Method with Venturi Injector

Eva Fathul Karamah (1), Fitri Amalia (2), Fitri Amalia (3), Setijo Bismo (4), Rioneli Ghaudenson (5), Setijo Bismo (6), Rioneli Ghaudenson (7)
(1) Department of Chemical Engineering, Universitas Indonesia, Depok, 16424, Indonesia
(2) Department of Chemical Engineering, Universitas Indonesia, Depok, 16424, Indonesia
(3) Department of Chemical Engineering, Universitas Indonesia, Depok, 16424, Indonesia
(4) Department of Chemical Engineering, Universitas Indonesia, Depok, 16424, Indonesia
(5) Department of Chemical Engineering, Universitas Indonesia, Depok, 16424, Indonesia
(6) Department of Chemical Engineering, Universitas Indonesia, Depok, 16424, Indonesia
(7) Department of Chemical Engineering, Universitas Indonesia, Depok, 16424, Indonesia
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How to cite (IJASEIT) :
Karamah, Eva Fathul, et al. “Disinfection of Escherichia Coli Bacteria Using Combination of Ozonation and Hydrodynamic Cavitation Method With Venturi Injector”. International Journal on Advanced Science, Engineering and Information Technology, vol. 8, no. 3, June 2018, pp. 811-7, doi:10.18517/ijaseit.8.3.3922.
Citation Format :
This study brings out a disinfection process of bacteria Escherichia coli using a combination of ozonation and hydrodynamic cavitation method. Cavitation was generated using venturi injector, and three commercial Ozonator was used for generated ozone. Various configuration method was arranged to evaluate the performance of each kind method as well as a combination of them on the disinfection process. Effect of various flow rate (3, 5, and 7 LPM) and dosage of ozone (64.83, 108.18, and 135.04 mg/h) was investigated. Combination of ozonation and hydrodynamic cavitation (7 LPM and 135.04 mg/h dosage of ozone) showed the best performance with initial concentration is 1.49 x 105 CFU/mL; all bacteria were disinfected for 45 min. The results are better than the single hydrodynamic cavitation method (7 LPM) which had 21% remaining of bacteria, and all bacteria were disinfected on a single ozonation method (135.04 mg/h dosage of ozone) for 60 min.

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