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Upgrading of the Mono Media Filters in Water Treatment Plants by Changing Filter Media

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Author(s): V Alipour | L Rezaei

Journal: Iranian Journal of Health and Environment
ISSN 2008-2029

Volume: 3;
Issue: 4;
Start page: 431;
Date: 2011;
Original page

Keywords: Filter | Media | Anthracite | Head loss | UFRV | Bandar Abbas

ABSTRACT
"n "n "nBackground and Objectives:Dual media filters have two different layer beds consist of sand and Anthracite. Advantage of dual media filters is longer run duration and more filtration rate. The purpose of this study was to achieve a performable model to improve single media Filters in water treatment plants."nMaterials and Methods: in this cross-sectional study, two pilots; mono and dual media were made and in a 5 month period samples taking were done. Total samples taken from input and output of each pilot, was 40. The samples then introduced for the measurment of turbidity and total organic carbon. Meanwhile the filters head loss also quantified in 40 times head loss measurement was done."nResults: Average turbidity removal in mono and two layer pilots were 63 and 65 percent respectively. Average removal of Total Organic Carbon in mono and two media pilots were 40 and 66 percent respectively. Head loss in dual and single media pilots were 0 .68 and 1.15 m respectively."nConclusion: Although average torbidity removal disparity between two pilots was not significant the amount of total organic carbon removed was considerable. Average head loss in single media pilot was more than dual media type. Ratio of UFRV in dual media to mono media filter was 51:30 it shows that filtration rate capacity will be improved up to70 percent by changing media type.

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