2010
DOI: 10.3390/w2030484
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EAF Steel Slag Filters for Phosphorus Removal from Milk Parlor Effluent: The Effects of Solids Loading, Alternate Feeding Regimes and In-Series Design

Abstract: Electric arc furnace (EAF) steel slag filters were investigated for their efficiency at reducing the concentration of phosphorus (P) from dairy farm wastewater in Vermont. The primary objective for this study was to examine the use of in series design on filters' performance in P removal from dairy farm wastewater at subzero temperatures. Other research objectives were to investigate operational parameters such as the effects of total suspended solids (TSS) daily mass loading rates and of alternating feeding a… Show more

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Cited by 30 publications
(17 citation statements)
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References 15 publications
(39 reference statements)
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“…Overall, though data obtained in column experiments provides previously unexamined starting guidelines necessary for designing a full-scale filter for greenhouse wastewater treatment, due to multiple interacting factors including fluctuating nutrient concentrations, presence of organic matter, and variable temperatures, [12,44] a filter should be designed assuming that treatment efficiency and PRC will be lower than that determined in column experiments. [19] Engineering techniques such as using multiple small filters in series [44] or allowing time for regeneration of P removal [15] may be used to further increase performance and lifetime of a full-scale filter.…”
Section: Application To a Greenhouse Facilitymentioning
confidence: 99%
See 1 more Smart Citation
“…Overall, though data obtained in column experiments provides previously unexamined starting guidelines necessary for designing a full-scale filter for greenhouse wastewater treatment, due to multiple interacting factors including fluctuating nutrient concentrations, presence of organic matter, and variable temperatures, [12,44] a filter should be designed assuming that treatment efficiency and PRC will be lower than that determined in column experiments. [19] Engineering techniques such as using multiple small filters in series [44] or allowing time for regeneration of P removal [15] may be used to further increase performance and lifetime of a full-scale filter.…”
Section: Application To a Greenhouse Facilitymentioning
confidence: 99%
“…[19] Engineering techniques such as using multiple small filters in series [44] or allowing time for regeneration of P removal [15] may be used to further increase performance and lifetime of a full-scale filter.…”
Section: Application To a Greenhouse Facilitymentioning
confidence: 99%
“…An increasing concern about agricultural sources of water pollution has resulted in a more rigorous effort to enforce water quality regulations throughout the United States (Bird and Drizo, 2010;USEPA, 2006USEPA, , 2010. The US Environmental Protection Agency (EPA) has established the Total Maximum Daily Load (TMDL) to define a value of the maximum amount of a pollutant that a body of water can receive while still meeting water quality standards (USEPA, 2010).…”
Section: Introductionmentioning
confidence: 99%
“…Under the EPA's TMDL, Confined Animal Operations (CAFOs) are required to implement waste storage or treatment systems to prevent discharges from production areas and to ensure that their wastewater treatment and management comply with state and federal regulations (USEPA, 2010). Therefore, innovative, energy efficient and low cost management practices are needed to fit within the tight economic constraints of the dairy farming industry (Bird and Drizo, 2010).…”
Section: Introductionmentioning
confidence: 99%
“…Thus, apart from being effective, a successful stormwater treatment initiative must be affordable and make use of inexpensive materials. Low-cost industrial by-products such as fly ash [17,18], dried alum sludge [19], cement kiln dust [20] and different varieties of slag [21][22][23] that have been used for P removal from wastewaters would also be attractive for stormwater treatment. Of these materials, electric arc furnace steel slag (EAF slag) has consistently proven to be a superior material for P sequestration [24][25][26][27].…”
Section: Introductionmentioning
confidence: 99%