EFFICIENCY OF OZONATION IN DECREASING TOTAL ORGANIC CARBON AND TOTAL COLIFORM BACTERIA IN ISFAHAN

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SHA MANSOURI M.R.; KARGAR MOHAMMAD

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Journal: WATER AND WASTEWATER Year:2005 | Volume:16 | Issue:2 (54) Page(s): 43-46

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Information Journal Paper

Title

EFFICIENCY OF OZONATION IN DECREASING TOTAL ORGANIC CARBON AND TOTAL COLIFORM BACTERIA IN ISFAHAN

Author(s)

SHA MANSOURI M.R. | KARGAR MOHAMMAD | Issue Writer Certificate

Keywords

OZONATIONQ4

TOTAL ORGANIC CARBONQ4

COLIFORM BACTERIAQ3

DISINFECTIONQ3

ISFAHAN WATER TREATMENT PLANTQ3

Abstract

Ozone, as a powerful oxidant and disinfectant, has found wide applications in water treatment since early 20th century. A concentration level of 0.4mg/L for 5 minutes is considered to be sufficient for conventional DISINFECTION in water treatment. The OZONATION-chlorination process, with chlorine as a supplementary disinfectant, has been used since 2003 in phase 1 of ISFAHAN WATER TREATMENT PLANT with an influent capacity of 5m3/s. The object of this study is to determine ozone efficiency in decreasing TOTAL ORGANIC CARBON, total coliform, and fecal coliform in raw water. In this study, 25 samples over the 3 months of study were collected from the influent, after both primary and secondary OZONATION stages, and from the effluent from ISFAHAN WATER TREATMENT PLANT. The microbial test and TOTAL ORGANIC CARBON (TOC) were measured. The results showed significant differences (p<0.05) between average values for TOC concentration and coliform and fecal coliforms in the influent, the primary OZONATION, and the secondary OZONATION but average values for the same parameters in the secondary OZONATION and the plant effluent were not significant (p >0.05). The result obtained from this study revealed that the application of ozone as a disinfectant in the water treatment plant in Isfahan is not adequately efficient and that final chlorination may, therefore, be necessary.

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APA: Copy

SHA MANSOURI, M.R., & KARGAR, MOHAMMAD. (2005). EFFICIENCY OF OZONATION IN DECREASING TOTAL ORGANIC CARBON AND TOTAL COLIFORM BACTERIA IN ISFAHAN. WATER AND WASTEWATER, 16(2 (54)), 43-46. SID. https://sid.ir/paper/103608/en

Vancouver: Copy

SHA MANSOURI M.R., KARGAR MOHAMMAD. EFFICIENCY OF OZONATION IN DECREASING TOTAL ORGANIC CARBON AND TOTAL COLIFORM BACTERIA IN ISFAHAN. WATER AND WASTEWATER[Internet]. 2005;16(2 (54)):43-46. Available from: https://sid.ir/paper/103608/en

IEEE: Copy

M.R. SHA MANSOURI, and MOHAMMAD KARGAR, “EFFICIENCY OF OZONATION IN DECREASING TOTAL ORGANIC CARBON AND TOTAL COLIFORM BACTERIA IN ISFAHAN,” WATER AND WASTEWATER, vol. 16, no. 2 (54), pp. 43–46, 2005, [Online]. Available: https://sid.ir/paper/103608/en

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