A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
Stormwater Sediment Filtration Using Sand versus Synthetic Fibers
Ottawa sand and a synthetic fiber were tested for filtration of stormwater sediments. Laboratory column tests were performed using water spiked with Bentonite clay as a surrogate for sediment. Filter media column height was varied from 20 to 90 cm. 10 to 20 pore volumes of Bentonite spiked water was permeated through each filter medium. Influent turbidity and effluent turbidity were monitored. Ratios of effluent turbidity to influent turbidity and hydraulic conductivity as a function of pore volumes of flow were evaluated for each filter medium as an indicator of hydraulic efficiency. Hydraulic conductivity of Ottawa sand and Synthetic Fiber was 0.08 and 0.20 cm/s, respectively. Increase in filter column height of Ottawa sand increased the filtration efficiency as quantified by lower turbidity effluent versus pore volume. However, hydraulic conductivity decreased with increasing filtration efficiency for Ottawa sand due to clogging. Compared to Ottawa sand, filtration efficiency and hydraulic conductivity of synthetic fibers was higher throughout the experiments.
Stormwater Sediment Filtration Using Sand versus Synthetic Fibers
Ottawa sand and a synthetic fiber were tested for filtration of stormwater sediments. Laboratory column tests were performed using water spiked with Bentonite clay as a surrogate for sediment. Filter media column height was varied from 20 to 90 cm. 10 to 20 pore volumes of Bentonite spiked water was permeated through each filter medium. Influent turbidity and effluent turbidity were monitored. Ratios of effluent turbidity to influent turbidity and hydraulic conductivity as a function of pore volumes of flow were evaluated for each filter medium as an indicator of hydraulic efficiency. Hydraulic conductivity of Ottawa sand and Synthetic Fiber was 0.08 and 0.20 cm/s, respectively. Increase in filter column height of Ottawa sand increased the filtration efficiency as quantified by lower turbidity effluent versus pore volume. However, hydraulic conductivity decreased with increasing filtration efficiency for Ottawa sand due to clogging. Compared to Ottawa sand, filtration efficiency and hydraulic conductivity of synthetic fibers was higher throughout the experiments.
Stormwater Sediment Filtration Using Sand versus Synthetic Fibers
Khire, Milind V. (author) / Saravanathiiban, Duraisamy S. (author) / Verwiel, Mark (author) / Prucha, Christopher (author) / Johnson, Terry (author)
IFCEE 2015 ; 2015 ; San Antonio, Texas
IFCEE 2015 ; 2826-2835
2015-03-17
Conference paper
Electronic Resource
English
STORMWATER SEDIMENT FILTRATION USING SAND VERSUS SYNTHETIC FIBERS
| British Library Conference Proceedings | 2015