THE EFFECTIVENESS OF OZONE DISINFECTION AND ADVANCED OXIDATION (H2O2+O3) ON THE ELIMINATION OF COLIFORM BACTERIA FROM HOSPITAL RAW SEWAGE

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MALAKOOTIAN M.; DEHGHANZADEH REYHANI R.; SATTARVAND S.; LOLOEI M.

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Paper Information

Journal: Journal of Rafsanjan University of Medical Sciences Year:2015 | Volume:14 | Issue:8 Page(s): 679-690

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Title

THE EFFECTIVENESS OF OZONE DISINFECTION AND ADVANCED OXIDATION (H2O2+O3) ON THE ELIMINATION OF COLIFORM BACTERIA FROM HOSPITAL RAW SEWAGE

Author(s)

MALAKOOTIAN M. | DEHGHANZADEH REYHANI R. | SATTARVAND S. | LOLOEI M. | Issue Writer Certificate

Keywords

COLIFORMQ3

ADVANCED OXIDATIONQ1

OZONE DISINFECTIONQ2

HOSPITAL SEWAGEQ1

REMOVALQ1

Abstract

Background and Objective: Hospital waste water due to infectious organisms and other risk factors is important. In this study, the possibility of COLIFORM bacteria REMOVAL from hospital waste water using ozone separately and combining with hydrogen peroxide (H2O2+O3) as a pre-treatment was investigated.Material and Methods: This is an experimental study that in the second moiety of 1392 in Kerman University of Medical Sciences and Engineering Research Center for Environmental Health Institute of the East Azerbaijan province was executed. Hospital microbial load in raw waste water, ozone disinfected and advanced oxidized raw sewage was determined by 9-tube most probable number (MPN) method.Results: Average COLIFORM bacteria and fecal COLIFORM in raw sewage samples from 10 hospitals respectively 3.6×105 and 2.5×105 MPN were calculated. COLIFORM and fecal COLIFORM REMOVAL efficiency of hospital wastewater by ozonation method back in time 10 and 20 minutes respectively (99.79 and 99.91%) and (99.99and 100%). was. Also, REMOVAL of COLIFORM and fecal COLIFORM wastewater ADVANCED OXIDATION hospitals with contact times of 10 and 20 minutes (99.98 and 99.99%) and (100and 100%), respectively.Conclusion: The trial showed that the effective performance both OZONE DISINFECTION and ADVANCED OXIDATION process (O3+H2O2) as a pre-treatment is the REMOVAL of total COLIFORM bacteria. However, the same results were obtained with a single injection of ozone. It is recommended that the hospital wastewater treatment in order to REMOVAL of total COLIFORM bacteria only be done with OZONE DISINFECTION.

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APA: Copy

MALAKOOTIAN, M., DEHGHANZADEH REYHANI, R., SATTARVAND, S., & LOLOEI, M.. (2015). THE EFFECTIVENESS OF OZONE DISINFECTION AND ADVANCED OXIDATION (H₂O₂+O₃) ON THE ELIMINATION OF COLIFORM BACTERIA FROM HOSPITAL RAW SEWAGE. JOURNAL OF RAFSANJAN UNIVERSITY OF MEDICAL SCIENCES AND HEALTH SERVICES, 14(8), 679-690. SID. https://sid.ir/paper/70818/en

Vancouver: Copy

MALAKOOTIAN M., DEHGHANZADEH REYHANI R., SATTARVAND S., LOLOEI M.. THE EFFECTIVENESS OF OZONE DISINFECTION AND ADVANCED OXIDATION (H₂O₂+O₃) ON THE ELIMINATION OF COLIFORM BACTERIA FROM HOSPITAL RAW SEWAGE. JOURNAL OF RAFSANJAN UNIVERSITY OF MEDICAL SCIENCES AND HEALTH SERVICES[Internet]. 2015;14(8):679-690. Available from: https://sid.ir/paper/70818/en

IEEE: Copy

M. MALAKOOTIAN, R. DEHGHANZADEH REYHANI, S. SATTARVAND, and M. LOLOEI, “THE EFFECTIVENESS OF OZONE DISINFECTION AND ADVANCED OXIDATION (H₂O₂+O₃) ON THE ELIMINATION OF COLIFORM BACTERIA FROM HOSPITAL RAW SEWAGE,” JOURNAL OF RAFSANJAN UNIVERSITY OF MEDICAL SCIENCES AND HEALTH SERVICES, vol. 14, no. 8, pp. 679–690, 2015, [Online]. Available: https://sid.ir/paper/70818/en

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