Abstract: Water is essential for human health and well-being; there can be no life on Earth without water. Specifically in Iran country, freshwater availability is too scarce and it is necessary to provide clean drinking water to all citizens. In the Karaj city drinking water is one the main issues and challenges of the government. In Karaj Number 1 water treatment plant, water treatment process is chemical, physical and microbial during which turbidity and microbial load of raw water is reduced to the desired standard level and also modification and reduction of some chemical composition are done. Water treatment process at this treatment plant includes the following steps: Screening, Production and chemical injection of coagulant as lime and ferric chloride, Primary sedimentation, Flocculation, coagulation and sedimentation at clarifier unit of Pulsator type, Filtration with Rapid gravity sand filter, Final chlorination if needed, Storage and transferring water .This study talks about the overview of Filtration systems in water treatment plant No.1 (Hesar branch) Karaj city-Iran.
Keywords: drinking water, Filtration, Rapid sand filter, Karaj city-Iran.
Title: Overview of Filtration in Water Treatment Plant No.1 (Hesar Branch), Karaj City-Iran
Author: Hanieh Farzaneh, Dr. S. Mokshapathy
International Journal of Life Sciences Research
ISSN 2348-3148 (online), ISSN 2348-313X (Print)
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