Since its recent introduction to the filtration industry, one of the major concerns about the use of fiber in water treatment has been its applicability for high-rate filtration while minimizing the build-up of headloss. In this study, a compact, modular filter employing non-woven, highly porous polypropylene fiber as filter media was investigated for the treatment of turbid water under high filtration rates. The impact of different operating variables such as polyaluminum chloride (PAC) dose and filtration rate on the effluent turbidity and headloss were investigated. Due to the fiber's high porosity, the filter was able to retain solids at a filtration rate of up to 1,500 m/day without headloss. When PAC was added, the effluent turbidity decreased significantly with the lowest observed when the dose was 1 mg/L. Furthermore, the effluent turbidity was found to increase with the filtration rate. During all the experiments, no headloss was observed except when the filtration rate was 2,250 m/day or when the PAC dose was 5 mg/L. In terms of its compactness and applicability at very high filtration rates, the polypropylene fiber filter can have a considerable advantage compared to other filters.
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Research Article|
April 05 2014
High-speed filtration using highly porous fiber media for advanced and compact particle removal Available to Purchase
Heidi B. Guerra;
Heidi B. Guerra
1Department of Civil Engineering, University of Santo Tomas, España Blvd, Manila 1008, Philippines
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Siping Niu;
Siping Niu
2Department of Environmental Engineering, Hanseo University, Seosan City, Chungnam 356-706, Korea
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Kisoo Park;
Kisoo Park
2Department of Environmental Engineering, Hanseo University, Seosan City, Chungnam 356-706, Korea
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Youngchul Kim
2Department of Environmental Engineering, Hanseo University, Seosan City, Chungnam 356-706, Korea
E-mail: [email protected]
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Water Supply (2014) 14 (5): 735–742.
Article history
Received:
January 01 2014
Accepted:
March 24 2014
Citation
Heidi B. Guerra, Siping Niu, Kisoo Park, Youngchul Kim; High-speed filtration using highly porous fiber media for advanced and compact particle removal. Water Supply 1 October 2014; 14 (5): 735–742. doi: https://doi.org/10.2166/ws.2014.028
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