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Title

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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Authors

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.

Abstract:

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.

Keywords:

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

Paper COI Code

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:

https://civilica.com/doc/1291556/

How to Cite to This Paper:

If you want to refer to this Paper in your research work, you can simply use the following phrase in the resources section:
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,https://civilica.com/doc/1291556

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