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Assessment of up-flow and down-flow dual media filters for secondary treated wastewater

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Title Assessment of up-flow and down-flow dual media filters for secondary treated wastewater
 
Creator Satyendra, Satyendra
Vijay, Ritesh
 
Subject Tertiary treatment
Dual media filter
Up-flow
Sand
Activated carbon
 
Description 351-357
The present research study has investigated the effectiveness of vertically down-flow and up-flow dual media filters in
secondary treated domestic wastewater. Dual media filters, incorporating gravel, sand, and granular activated carbon, have
been designed to overcome the challenges of tertiary wastewater treatment, such as the removal of fine suspended solids,
microbial contaminants, odors, and nutrients. The up-flow dual media filter has achieved higher removal efficiencies for
suspended solids and organic matter, resulting in effluent that meets discharge standards. Specifically, the up-flow
configuration has enhanced contact time between the wastewater and the filter media, thereby improving the adsorption and
filtration processes. Additionally, up-flow filter has exhibited reduced clogging issues and lower operational and
maintenance requirements, as accumulated contaminants tend to settle at the bottom, facilitating ease in removal as
compared to down-flow dual media filter.
 
Date 2024-09-24T10:00:20Z
2024-09-24T10:00:20Z
2024-09
 
Type Article
 
Identifier 0975-1017 (Online); 0971-4588 (Print)
http://nopr.niscpr.res.in/handle/123456789/64583
https://doi.org/10.56042/ijems.v31i13.6369
 
Language en
 
Publisher NIScPR-CSIR,India
 
Source IJEMS Vol.31(3) June