USING COMBINED PROCESSES OF FILTRATION AND ULTRAVIOLET IRRADIATION FOR EFFLUENT DISINFECTION OF ISFAHAN NORTH WASTEWATER TREATMENT PLANT IN PILOT SCALE

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AMIN MOHAMMAD MEHDI; HASHEMI HASSAN; EBRAHIMI AFSHIN; BINA BIJAN; MOVAHHEDIAN ATTAR HOSSEIN; JABERI ADIB; SAFFARI HOSSEIN; MOUSAVIAN ZAHRA

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Journal: WATER AND WASTEWATER Year:2011 | Volume:22 | Issue:2 (78) Page(s): 71-77

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Title

USING COMBINED PROCESSES OF FILTRATION AND ULTRAVIOLET IRRADIATION FOR EFFLUENT DISINFECTION OF ISFAHAN NORTH WASTEWATER TREATMENT PLANT IN PILOT SCALE

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Keywords

COMBINED DISINFECTIONQ3

EFFLUENTQ2

PRESSURE SAND FILTERQ3

ULTRAVIOLET RADIATIONQ3

ISFAHAN NORTH WASTEWATER TREATMENT PLANTQ3

Abstract

This study was carried out to evaluate the secondary EFFLUENT disinfection of the Isfahan north municipal wastewater treatment plant using filtration and UV technology in current operational condition. The combined system was used in series in pilot scale including: PRESSURE SAND FILTER + Low Pressure (LP) + Medium Pressure (MP) UV Lamps. The UV dose varied according to the initial intensity of lamp, flow rate and influent transmittance. Total coliform (TC), fecal coliform (FC) and fecal streptococcus (FS) were analyzed as microbiological parameters in all EFFLUENT samples. TSS, BOD5, COD, VSS, pH and transmittance (UVT percentage) were tested as physicochemical parameters, before and after the units. Results showed that the filtration with loading of 1050 lit/m2.hr, followed by MP lamp with dose of 230 mW.s/cm2 is an effective alternative to reduce the TC/FC and FS in the secondary EFFLUENT. The COMBINED DISINFECTION processes that were used in this study, could be met the standards of 1000 TC, and 400FC/100ml for EFFLUENT discharge to receiving waters or restricted reuses in the agriculture. This process can also inactivate the FS down to 6-log.Using low-pressure lamps due to low dose radiation for disinfection is not cost-effective. In this study, parasite egg counts due to lack of access to accurate identification techniques for alive cyst detection was not examined.

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APA: Copy

AMIN, MOHAMMAD MEHDI, HASHEMI, HASSAN, EBRAHIMI, AFSHIN, BINA, BIJAN, MOVAHHEDIAN ATTAR, HOSSEIN, JABERI, ADIB, SAFFARI, HOSSEIN, & MOUSAVIAN, ZAHRA. (2011). USING COMBINED PROCESSES OF FILTRATION AND ULTRAVIOLET IRRADIATION FOR EFFLUENT DISINFECTION OF ISFAHAN NORTH WASTEWATER TREATMENT PLANT IN PILOT SCALE. WATER AND WASTEWATER, 22(2 (78)), 71-77. SID. https://sid.ir/paper/103763/en

Vancouver: Copy

AMIN MOHAMMAD MEHDI, HASHEMI HASSAN, EBRAHIMI AFSHIN, BINA BIJAN, MOVAHHEDIAN ATTAR HOSSEIN, JABERI ADIB, SAFFARI HOSSEIN, MOUSAVIAN ZAHRA. USING COMBINED PROCESSES OF FILTRATION AND ULTRAVIOLET IRRADIATION FOR EFFLUENT DISINFECTION OF ISFAHAN NORTH WASTEWATER TREATMENT PLANT IN PILOT SCALE. WATER AND WASTEWATER[Internet]. 2011;22(2 (78)):71-77. Available from: https://sid.ir/paper/103763/en

IEEE: Copy

MOHAMMAD MEHDI AMIN, HASSAN HASHEMI, AFSHIN EBRAHIMI, BIJAN BINA, HOSSEIN MOVAHHEDIAN ATTAR, ADIB JABERI, HOSSEIN SAFFARI, and ZAHRA MOUSAVIAN, “USING COMBINED PROCESSES OF FILTRATION AND ULTRAVIOLET IRRADIATION FOR EFFLUENT DISINFECTION OF ISFAHAN NORTH WASTEWATER TREATMENT PLANT IN PILOT SCALE,” WATER AND WASTEWATER, vol. 22, no. 2 (78), pp. 71–77, 2011, [Online]. Available: https://sid.ir/paper/103763/en

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