A COMPARATIVE STUDY ON THMS REMOVAL EFFICIENCIES FROM DRINKING WATER THROUGH NANOFILTRATION AND AIR STRIPPING PACKED-COLUMN

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SAMADI M.T.; NASERI S.; MESDAGHINIA A.R.; ALIZADEFARD M.R.

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Journal: WATER AND WASTEWATER Year:2006 | Volume:17 | Issue:1 (57) Page(s): 14-21

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Title

A COMPARATIVE STUDY ON THMS REMOVAL EFFICIENCIES FROM DRINKING WATER THROUGH NANOFILTRATION AND AIR STRIPPING PACKED-COLUMN

Author(s)

SAMADI M.T. | NASERI S. | MESDAGHINIA A.R. | ALIZADEFARD M.R. | Issue Writer Certificate

Keywords

TRIHALOMETHANSQ3

NANOFILTRATIONQ2

AIR STRIPPING PACKED - COLUMNQ4

Abstract

In recent decades, increasing pollution of water resources has caused higher rates of organic pollutants in water resources. Considering the surface water resources as one of the main water supplies in many regions of Iran and the application of chlorination for disinfecting drinking water has increased the rate of Disinfection by- Products (DBPs) formation. Trihalomethanes (THMs) as the main group of DBPs are categorized and considered to have the potentiality of increasing the rate of liver, kidney and CNS adverse effects. Air stripping and membrane technology can be used for the removal of THMs. In this research, two pilots were designed and set up: Air stripping packed- column and Nanofilter (NF) spiral-wound modules. The effects of changes in flow rate and chloroform concentrations were investigated III both treatment systems and the transmemberane pressure for membrane pilot as the basic variables affecting removal efficiencies. Gas Chromatography (GC) with Electron Capture Detector (ECD) was used for determination of chloroform concentration in water samples. The obtained data were analyzed by SPSS and non-parametric Kruskal-Wallis. The results showed a positive correlation between the flow rate and chloroform concentration, and removal efficiencies. In this study, chloroform removal efficiencies for air stripping pack-column were higher than NF 300, and 600 Da. Variation Orange of removal efficiencies for air stripping column, NF 300 Da and 600Da with deionized water samples has been 82.3% to 97.6 %, 60.5% to 87.2 % and 42.3% to 67.6%, respectively.

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APA: Copy

SAMADI, M.T., NASERI, S., MESDAGHINIA, A.R., & ALIZADEFARD, M.R.. (2006). A COMPARATIVE STUDY ON THMS REMOVAL EFFICIENCIES FROM DRINKING WATER THROUGH NANOFILTRATION AND AIR STRIPPING PACKED-COLUMN. WATER AND WASTEWATER, 17(1 (57)), 14-21. SID. https://sid.ir/paper/104122/en

Vancouver: Copy

SAMADI M.T., NASERI S., MESDAGHINIA A.R., ALIZADEFARD M.R.. A COMPARATIVE STUDY ON THMS REMOVAL EFFICIENCIES FROM DRINKING WATER THROUGH NANOFILTRATION AND AIR STRIPPING PACKED-COLUMN. WATER AND WASTEWATER[Internet]. 2006;17(1 (57)):14-21. Available from: https://sid.ir/paper/104122/en

IEEE: Copy

M.T. SAMADI, S. NASERI, A.R. MESDAGHINIA, and M.R. ALIZADEFARD, “A COMPARATIVE STUDY ON THMS REMOVAL EFFICIENCIES FROM DRINKING WATER THROUGH NANOFILTRATION AND AIR STRIPPING PACKED-COLUMN,” WATER AND WASTEWATER, vol. 17, no. 1 (57), pp. 14–21, 2006, [Online]. Available: https://sid.ir/paper/104122/en

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