Cited by 17Urban Stormwater Management SolutionsEnvironmental remediation with nanomaterialsWastewater Treatment and Reuse

Mixed versus layered multi-media filter for simultaneous removal of nutrients and heavy metals from urban stormwater runoff

Reddy, Krishna R., Dastgheibi, Sara, Cameselle, Claudio·2021·Environmental Science and Pollution Research

Abstract

Beach closings are a growing concern in coastal regions because of serious public health and economic ramifications due to the presence of pollutants in stormwater runoff. An underground permeable filter system is proposed to treat such stormwater pollution. Selection of filter media that can treat multiple contaminants in stormwater runoff has been a challenging task. This paper investigates the effectiveness of mixed or layered filter media for the removal of mixed contaminants (nutrient and heavy metal) from synthetic stormwater. Sorption experiments were used to assess the ability of the combination of various materials (calcite, zeolite, sand, and iron filings) to remove nutrients and heavy metals. Based on the results of individual removal efficiency, four sets of combinations of media mixtures were prepared: three mixed media conditions and one layered media condition. Mixed media-1, containing higher ratio of calcite, zeolite, and iron filings, was found to achieve the highest removal efficiency of nitrate (96%), Cr (~ 99%), and Cu (~ 99%). Mixed media-2 removed Zn significantly with a removal efficiency higher than 99% due to the sorption capacity of iron filings and both mixed media-2 and 3 showed efficient removal of Ni (~ 94%) in effluent. Layered media was found to be most efficient in Cd removal (~ 99%). All mixture of materials showed more than 99% removal of total phosphorus and Pb. The sorption efficiency of the different mixtures showed that a combination of…

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Crossref · 10.1007/s11356-020-11120-4

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  • Compared to homogeneous media, utilizing a combination of local sand and alternative filter media demonstrated improved nutrient and heavy metal removal efficiencies in stormwater treatment.

    “However, compared to homogeneous media, utilizing a combination of local sand and alternative filter media demonstrated improved nutrient and heavy metal removal efficiencies in stormwater treatment [38].”

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Authors
Reddy, K. R., Dastgheibi, S., & Cameselle, C.
Affiliations
  • University of Illinois Chicago (US)
  • Universidade de Vigo (ES)
Corresponding author
Cameselle, Claudio
Venue
Environmental Science and Pollution Research
Published
2020-10-09
Volume
28
Issue
6
Pages
7574-7585
ISSN
  • 0944-1344 (ISSN-L)
  • 1614-7499
OpenAlex
W3092623228
Cited by
17
References
48
Citations by year
2026: 2 · 2024: 8 · 2023: 1 · 2022: 3 · 2021: 3
FWCI
0.63
Type
journal article
Language
en
Open access
closed
Locations
  • Environmental Science and Pollution Research (publishedVersion)
  • PubMed (publishedVersion)
Funders
U.S. Environmental Protection Agency (GL00E00526)
Topics
  • Physical Sciences › Environmental Science › Environmental Engineering › Urban Stormwater Management Solutions
  • Physical Sciences › Engineering › Biomedical Engineering › Environmental remediation with nanomaterials
  • Physical Sciences › Environmental Science › Waste Management and Disposal › Wastewater Treatment and Reuse
Keywords
stormwater runoff, nutrient removal, heavy metal removal, calcite, zeolites, iron filings, sand, nitrate removal, phosphorus removal, chromium, copper, zinc, nickel, cadmium, lead, sorption, beach closures
MeSH terms
Nutrients, Filtration, Water Pollutants, Chemical, Zeolites, Water Purification, Metals, Heavy

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