Comparison of Contaminant Transport in Agricultural Drainage Water and Urban Stormwater Runoff

Ghane, Ehsan; Ranaivoson, Andry Z; Feyereisen, Gary W.; Rosen, Carl J.; Moncrief, J. F.

doi:10.1371/journal.pone.0167834

Cited by 53 publications

(22 citation statements)

References 49 publications

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“…A synthetic solution in reverse osmosis water of 20 mg N L −1 (KNO 3 ), typical of Midwest tile drainage effluent (Ghane et al, 2016), and 0.3 mg P L −1 (KH 2 PO 4 ) was pumped through the columns. Sodium acetate was pumped into the three WC+A columns at a final concentration of 40 mg C L −1 (2.33:1 C/N molar ratio) using a separate pump at 1% of the main pump flow rate.…”

Section: Methodsmentioning

confidence: 99%

Carbon Dosing Increases Nitrate Removal Rates in Denitrifying Bioreactors at Low‐Temperature High‐Flow Conditions

et al. 2018

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Nitrogen losses from croplands contribute to impairment of water bodies. This laboratory experiment evaluated various C sources for use in a denitrifying bioreactor, a conservation practice designed to reduce N losses. The nitrate removal efficiency of candidate treatments (corn cobs [CC], corn cobs with modified coconut coir [CC+MC], corn cobs with modified coconut coir and modified macadamia shell biochar [CC+MC+MBC], wood chips [WC], wood chips with hardwood biochar [WC+BC], and wood chips with continuous sodium acetate addition [WC+A]) were tested with up-flow direction. Effluent was sampled after a repeated weekly flow regime with hydraulic residence times of 1.5, 8, 12, and 24 h. Column temperatures were 15°C for 14 wk (warm), 5°C for 13 wk (cold), and again 15°C for 7 wk (rewarm). Cumulative nitrate N load reduction was greatest for WC+A (80, 80, and 97% during the warm, cold, and rewarm runs, respectively). Corn cob treatments (CC, CC+MC, and CC+MC+MBC) had the second greatest cumulative load reductions for all three temperature experiments, and WC and WC+BC had the lowest performance under these conditions. The nitrate removal rate was optimum at the 1.5-h hydraulic residence time for the WC+A treatment: 43, 30, and 121 g N m d for the warm, cold, and rewarm runs, respectively. Furthermore, acetate addition greatly improved wood chip performance and could be used to enhance nitrate N removal under the cold and high-flow-rate conditions of springtime drainage for the north-central United States.

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Section: Methodsmentioning

confidence: 99%

Carbon Dosing Increases Nitrate Removal Rates in Denitrifying Bioreactors at Low‐Temperature High‐Flow Conditions

et al. 2018

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“…In spring the water flows are the greatest due to the snow melting, therefore the concentrations of organic matter increase. However, they are lower than those from urbanized areas (Ghane et al, 2016). In the point above fertilized areas (Ja) they were 3.8 and below them (Jž) -4.4 mg O 2 l -1 .…”

Section: Resultsmentioning

confidence: 82%

Variation of organic matter concentrations in stream water in manure fertilized fields

Misevičienė¹

2018

Research for Rural Development

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The article provides the research data on the variation of organic matter in the Jaugila Stream, which flows through drained fields fertilized with organic fertilizers. The aim of the research was to determine the effect of manure application in drainage basin to the changes of organic matter concentration in the Jaugila Stream. Water samples for chemical analysis were taken once a month from the drainage water and the river. The samples from the river were taken upsream and downstream manure fertilized fields and the drainage water -from the outlets of the drainage system, which drains the fertilized area. Water analysis was performed by the Analytical Laboratory of Chemical Analysis of the ASU Water Research Institute. BOD 7 was determined by titrometric method. The research has shown that a greater impact on the increase of BOD 7 concentrations in the Jaugila Stream was due to the stream water, saturated with the organic matter, flowing from the upstream areas, rather than the drainage water flowing into this stream from manure fertilized area. The assessment of BOD 7 concentrations according to the water quality requirements for surface waters determined that in most cases the water of the Jaugila Stream, both in above and below fertilized areas, was in a very good or good ecological status. The impact of manure fertilized areas on the organic matter concentration in the stream was determined to be minimal, as the statistical analysis of the data has shown that the difference between BOD 7 concentrations above and below fertilized areas is negligible.

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“…Then, due to further oxidation (e.g., natural nitrification processes), the ammonium is converted to nitrate and becomes a competing electron acceptor at many remediation sites. Ammonium and nitrate loads to soil, groundwater, and surface water can also be traced to other sources, including agricultural activity and wastewater discharges (Gingras and Batista ; Ghane et al ). At the industrial site in the current study, a large fraction of the observed nitrate can be linked to nitrification of ammonium perchlorate.…”

Section: Resultsmentioning

confidence: 99%

Biological Reduction of Nitrate and Perchlorate in Soil Microcosms: An Electron Donor Comparison of Glycerol, Emulsified Oil, and Mulch Extract

Sarria¹,

Gonzales²,

Gerrity³

et al. 2018

Groundwater Monitoring Rem

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Diverse technologies have been developed and tested for their efficacy in remediating perchlorate‐contaminated surface water, groundwater, and soil. Biological reduction, particularly when coupled with electron donor augmentation, has been shown to be one of the most cost‐effective alternatives. Numerous electron donors have been evaluated in the literature, but few studies have compared standard vs. slow‐release electron donors for sequential nitrate and perchlorate reduction. This study evaluated the efficacy and kinetics of biological reduction in soil microcosms augmented with emulsified oil (EO), glycerol, and mulch extract. Results indicated that EO and glycerol spiked at approximately 100 times stoichiometric excess (i.e., 100x) achieved similar overall reductions and degradation rates for nitrate and perchlorate, although nitrate appeared to exhibit zero order kinetics while perchlorate exhibited first order kinetics. The zero order rate constants for nitrate reduction were 3.32 mg/L d and 2.57 mg/L d for EO and glycerol, respectively. The first order rate constant for perchlorate reduction was 0.36 day−1 for both EO and glycerol. Stable chemical oxygen demand (COD) concentrations also highlighted the slow‐release properties of EO, which would reduce electron donor consumption in comparison to soluble substrates in soil remediation applications. The microcosms augmented with mulch extract failed to demonstrate any nitrate or perchlorate reduction due to the extract's lower COD concentration. Augmentation with compost or additional processing (i.e., concentration) would be necessary to make the extract a viable alternative.

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Comparison of Contaminant Transport in Agricultural Drainage Water and Urban Stormwater Runoff

Cited by 53 publications

References 49 publications

Carbon Dosing Increases Nitrate Removal Rates in Denitrifying Bioreactors at Low‐Temperature High‐Flow Conditions

Carbon Dosing Increases Nitrate Removal Rates in Denitrifying Bioreactors at Low‐Temperature High‐Flow Conditions

Variation of organic matter concentrations in stream water in manure fertilized fields

Biological Reduction of Nitrate and Perchlorate in Soil Microcosms: An Electron Donor Comparison of Glycerol, Emulsified Oil, and Mulch Extract

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