Cited by 160Environmental remediation with nanomaterialsSoil and Water Nutrient DynamicsGroundwater flow and contamination studies

The DOI matches its Crossref record; 39 of the 41 references it cites were found in a registry or an index.

Nitrate removal rates in a 15-year-old permeable reactive barrier treating septic system nitrate

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Robertson, W.D., Vogan, J.L., Lombardo, P.S.·2008·Groundwater Monitoring & Remediation

Abstract

Permeable reactive barriers (PRBs) have gained popularity in recent years as a low‐cost method for ground water remediation. However, their cost advantage usually requires that these barriers remain maintenance free for a number of years after installation. In this study, sediment cores were retrieved from a pilot‐scale PRB consisting of a sand and wood particle (sawdust) mixture that has been in continuous operation for 15 years treating nitrate from a septic system plume in southern Ontario (Long Point site). Reaction rates for the 15‐year‐old media were measured in dynamic flow column tests and were compared to rates measured in year 1 using the same reactive mixture. Nitrate removal rates in the 15‐year‐old media varied, as expected, with temperature in the range of 0.22 to 1.1 mg N/L/d at 6 °C to 10 °C to 3.5 to 6.0 mg N/L/d at 20 °C to 22 °C. The latter rates remained within about 50% of the year 1 rates (10.2 ± 2.7 mg N/L/d at 22 °C). Near the end of the year 15 column test, media particles >0.5 mm in diameter, containing most of the wood particles, were removed from the reactive media by sieving. Nitrate removal subsequently declined by about 80%, indicating that the wood particles were the principal energy source for denitrification. This example shows that some denitrifying PRBs can remain maintenance free and be adequately reactive for decades.

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Crossref · 10.1111/j.1745-6592.2008.00205.x

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Research works printed but not linked: 1

  1. Vogan J.L.1993.The use of emplaced denitrifying layers to promote nitrate removal from septic effluent. M.Sc. thesis Department of Earth Sciences University of Waterloo Waterloo Ontario Canada.

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Metadata

Authors
Robertson, W. D., Vogan, J. L., & Lombardo, P. S.
Venue
Groundwater Monitoring & Remediation
Publisher
Wiley
Published
2008-06
Volume
28
Issue
3
Pages
65-72
ISSN
  • 1069-3629 (ISSN-L)
  • 1745-6592
OpenAlex
W2130047935
Cited by
160
References
41
Citations by year
2026: 4 · 2025: 9 · 2024: 5 · 2023: 4 · 2022: 10 · 2021: 17 · 2020: 10 · 2019: 12 · 2018: 9 · 2017: 8 · 2016: 4 · 2015: 9 · 2014: 14 · 2013: 9 · 2012: 11
FWCI
5.52
Type
journal article
Language
en
Open access
Locations
Groundwater Monitoring & Remediation (publishedVersion)
Topics
  • Physical Sciences › Environmental Science › Environmental Engineering › Environmental remediation with nanomaterials
  • Physical Sciences › Environmental Science › Environmental Chemistry › Soil and Water Nutrient Dynamics
  • Physical Sciences › Environmental Science › Environmental Engineering › Groundwater flow and contamination studies
Keywords
permeable reactive barrier, nitrate removal, denitrification, sawdust, groundwater remediation

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