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The Efficiency of Multi-Media Filtration in Drinking Water Treatment Plants for the Removal of Natural Organic Matter

Year: 1400
COI: JR_JAEHR-9-2_003
Language: EnglishView: 97
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Behnam Kazemi Noredinvand - Department of Environmental Engineering, Khouzestan Science and Research Branch, Islamic Azad University, Ahvaz, Iran.
Afshin Takdastan - ۴. Department of Environmental Health Engineering, Environmental Technologies Research Center, Ahvaz Jundishapur University of Medical Sciences, Ahvaz, Iran.
Reza Jalilzadeh Yengejeh - Department of Environmental Engineering, Ahvaz Branch, Islamic Azad University, Ahvaz, Iran.
Farshid Ghanbari - Department of Environmental Health Engineering, Abadan University of Medical Sciences, Abadan, Iran.


Background: Filtration is a processing unit in a Drinking Water Treatment Plant (DWTP) that is used to remove particles from the water. This study is the result of pilot-scale research on Gravity Rapid Sand Filter (GRSF). The purpose of this paper was to evaluate the performance of the Triple Media Filter (TMF) (Granular Activated Carbon (GAC) + anthracite + garnet) and Dual-Media Filter (DMF) (anthracite + sand) in the removal of Natural Organic Matter (NOM) as a precursor of Trihalomethanes (THMs) and chlorination Disinfection by-Products (DBPs). Methods: Filtration rate was performed at conventional (۱۲۰ m/d) and a high rate (۲۴۰ m/d) and compared with full-sized Single Media Filter (SMF) with a sand media. The removal efficiency of turbidity, color, and UV absorption at a wavelength of ۲۵۴ nm (UV۲۵۴) and Dissolved Organic Carbon (DOC) parameters were investigated. Besides, the Specific Ultraviolet Absorbance (SUVA) was calculated from the ratio of UV۲۵۴ to DOC. Results: The results showed that the Multimedia Filter (MMF) at ۱۲۰ and ۲۴۰ m/d filtration rate had higher removal efficiency compared with a control SMF in removing measured parameters (p<۰.۰۵). Also, similar filters have shown the same efficiency relative to each other in different loading rates and there was an insignificant difference. Conclusion: MMF can significantly remove organic pollutants and control the formation of DBPs during water treatment. The study suggests that SMF should be replaced with MMF to improve water quality.


Natural Organic Matter (NOM) , Filtration , multi-media filter , Granular Activated Carbon (GAC) , Water Treatment

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This Paper COI Code is JR_JAEHR-9-2_003. Also You can use the following address to link to this article. This link is permanent and is used as an article registration confirmation in the Civilica reference:

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Kazemi Noredinvand, Behnam and Takdastan, Afshin and Jalilzadeh Yengejeh, Reza and Ghanbari, Farshid,1400,The Efficiency of Multi-Media Filtration in Drinking Water Treatment Plants for the Removal of Natural Organic Matter,

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