Water treatment residual-coated wood mulch for addressing urban stormwater pollution

Hanieh Soleimanifar, Yang Deng, Kirk Barrett, Huan Feng, Xiaona Li, Dibyendu Sarkar

Research output: Contribution to journalArticleResearchpeer-review

1 Citation (Scopus)

Abstract

Innovative treatment materials and technologies are demanded to address urban stormwater pollutants that challenge traditional infrastructure. This study aimed to investigate adsorption behaviors of aluminum-based water treatment residual (WTR)-coated mulch for capturing representative runoff pollutants (i.e., P, Cu, Zn, and Pb) and evaluate its treatment performance in a filtration bed. Data from batch studies were fit using the nonlinear least square optimization technique. Adsorption kinetic data followed the pseudo-2nd-order reaction patterns, while the adsorption isotherm data obeyed the Freundlich models. Model fitting passed the chi-square tests, as a statistical goodness-of-fit criterion, at a 90% confidence level. Column studies indicate that the WTR-coated mulch with a bed depth of 5.1 or 10.2 cm could effectively alleviate flow-weighted mean concentrations of these pollutants, with a minimal aluminum release, during treatment of the equivalent annual runoff in a typical U.S. Northeastern catchment. This study demonstrates that WTR-coated mulch is an effective and safe adsorbent media to tackle urban stormwater pollution. Practitioner points: Aluminum-based WTR-coated wood mulch can simultaneously and effectively capture representative metals and phosphate in urban runoff. The pollutant adsorption follows the pseudo-2nd-order kinetic reaction patterns and the Freundlich isotherm model. WTR-coated mulch (5.1–10.2 cm bed depth) sufficiently treats the runoff generated annually in a typical U.S. Northeastern catchment. Higher and more reliable pollutant removals can be achieved with a greater bed depth of the coated mulch in a filtration bed. Aluminium release is minimal during application of the WTR-coated wood mulch.

Original languageEnglish
Pages (from-to)523-535
Number of pages13
JournalWater Environment Research
Volume91
Issue number6
DOIs
StatePublished - 1 Jun 2019

Fingerprint

mulch
Water treatment
stormwater
water treatment
Wood
Pollution
Aluminum
Runoff
pollution
aluminum
runoff
adsorption
pollutant
Adsorption
Catchments
isotherm
catchment
pollutant removal
Adsorption isotherms
Reaction kinetics

Keywords

  • adsorption
  • nonpoint pollution
  • phosphate
  • toxic heavy metals
  • urban stormwater runoff
  • water treatment residual
  • wood mulch

Cite this

Soleimanifar, Hanieh ; Deng, Yang ; Barrett, Kirk ; Feng, Huan ; Li, Xiaona ; Sarkar, Dibyendu. / Water treatment residual-coated wood mulch for addressing urban stormwater pollution. In: Water Environment Research. 2019 ; Vol. 91, No. 6. pp. 523-535.
@article{fe2e0a81dd3b4353aa7e7b8ab14de9ab,
title = "Water treatment residual-coated wood mulch for addressing urban stormwater pollution",
abstract = "Innovative treatment materials and technologies are demanded to address urban stormwater pollutants that challenge traditional infrastructure. This study aimed to investigate adsorption behaviors of aluminum-based water treatment residual (WTR)-coated mulch for capturing representative runoff pollutants (i.e., P, Cu, Zn, and Pb) and evaluate its treatment performance in a filtration bed. Data from batch studies were fit using the nonlinear least square optimization technique. Adsorption kinetic data followed the pseudo-2nd-order reaction patterns, while the adsorption isotherm data obeyed the Freundlich models. Model fitting passed the chi-square tests, as a statistical goodness-of-fit criterion, at a 90{\%} confidence level. Column studies indicate that the WTR-coated mulch with a bed depth of 5.1 or 10.2 cm could effectively alleviate flow-weighted mean concentrations of these pollutants, with a minimal aluminum release, during treatment of the equivalent annual runoff in a typical U.S. Northeastern catchment. This study demonstrates that WTR-coated mulch is an effective and safe adsorbent media to tackle urban stormwater pollution. Practitioner points: Aluminum-based WTR-coated wood mulch can simultaneously and effectively capture representative metals and phosphate in urban runoff. The pollutant adsorption follows the pseudo-2nd-order kinetic reaction patterns and the Freundlich isotherm model. WTR-coated mulch (5.1–10.2 cm bed depth) sufficiently treats the runoff generated annually in a typical U.S. Northeastern catchment. Higher and more reliable pollutant removals can be achieved with a greater bed depth of the coated mulch in a filtration bed. Aluminium release is minimal during application of the WTR-coated wood mulch.",
keywords = "adsorption, nonpoint pollution, phosphate, toxic heavy metals, urban stormwater runoff, water treatment residual, wood mulch",
author = "Hanieh Soleimanifar and Yang Deng and Kirk Barrett and Huan Feng and Xiaona Li and Dibyendu Sarkar",
year = "2019",
month = "6",
day = "1",
doi = "10.1002/wer.1055",
language = "English",
volume = "91",
pages = "523--535",
journal = "Water Environment Research",
issn = "1061-4303",
publisher = "Water Environment Federation",
number = "6",

}

Water treatment residual-coated wood mulch for addressing urban stormwater pollution. / Soleimanifar, Hanieh; Deng, Yang; Barrett, Kirk; Feng, Huan; Li, Xiaona; Sarkar, Dibyendu.

In: Water Environment Research, Vol. 91, No. 6, 01.06.2019, p. 523-535.

Research output: Contribution to journalArticleResearchpeer-review

TY - JOUR

T1 - Water treatment residual-coated wood mulch for addressing urban stormwater pollution

AU - Soleimanifar, Hanieh

AU - Deng, Yang

AU - Barrett, Kirk

AU - Feng, Huan

AU - Li, Xiaona

AU - Sarkar, Dibyendu

PY - 2019/6/1

Y1 - 2019/6/1

N2 - Innovative treatment materials and technologies are demanded to address urban stormwater pollutants that challenge traditional infrastructure. This study aimed to investigate adsorption behaviors of aluminum-based water treatment residual (WTR)-coated mulch for capturing representative runoff pollutants (i.e., P, Cu, Zn, and Pb) and evaluate its treatment performance in a filtration bed. Data from batch studies were fit using the nonlinear least square optimization technique. Adsorption kinetic data followed the pseudo-2nd-order reaction patterns, while the adsorption isotherm data obeyed the Freundlich models. Model fitting passed the chi-square tests, as a statistical goodness-of-fit criterion, at a 90% confidence level. Column studies indicate that the WTR-coated mulch with a bed depth of 5.1 or 10.2 cm could effectively alleviate flow-weighted mean concentrations of these pollutants, with a minimal aluminum release, during treatment of the equivalent annual runoff in a typical U.S. Northeastern catchment. This study demonstrates that WTR-coated mulch is an effective and safe adsorbent media to tackle urban stormwater pollution. Practitioner points: Aluminum-based WTR-coated wood mulch can simultaneously and effectively capture representative metals and phosphate in urban runoff. The pollutant adsorption follows the pseudo-2nd-order kinetic reaction patterns and the Freundlich isotherm model. WTR-coated mulch (5.1–10.2 cm bed depth) sufficiently treats the runoff generated annually in a typical U.S. Northeastern catchment. Higher and more reliable pollutant removals can be achieved with a greater bed depth of the coated mulch in a filtration bed. Aluminium release is minimal during application of the WTR-coated wood mulch.

AB - Innovative treatment materials and technologies are demanded to address urban stormwater pollutants that challenge traditional infrastructure. This study aimed to investigate adsorption behaviors of aluminum-based water treatment residual (WTR)-coated mulch for capturing representative runoff pollutants (i.e., P, Cu, Zn, and Pb) and evaluate its treatment performance in a filtration bed. Data from batch studies were fit using the nonlinear least square optimization technique. Adsorption kinetic data followed the pseudo-2nd-order reaction patterns, while the adsorption isotherm data obeyed the Freundlich models. Model fitting passed the chi-square tests, as a statistical goodness-of-fit criterion, at a 90% confidence level. Column studies indicate that the WTR-coated mulch with a bed depth of 5.1 or 10.2 cm could effectively alleviate flow-weighted mean concentrations of these pollutants, with a minimal aluminum release, during treatment of the equivalent annual runoff in a typical U.S. Northeastern catchment. This study demonstrates that WTR-coated mulch is an effective and safe adsorbent media to tackle urban stormwater pollution. Practitioner points: Aluminum-based WTR-coated wood mulch can simultaneously and effectively capture representative metals and phosphate in urban runoff. The pollutant adsorption follows the pseudo-2nd-order kinetic reaction patterns and the Freundlich isotherm model. WTR-coated mulch (5.1–10.2 cm bed depth) sufficiently treats the runoff generated annually in a typical U.S. Northeastern catchment. Higher and more reliable pollutant removals can be achieved with a greater bed depth of the coated mulch in a filtration bed. Aluminium release is minimal during application of the WTR-coated wood mulch.

KW - adsorption

KW - nonpoint pollution

KW - phosphate

KW - toxic heavy metals

KW - urban stormwater runoff

KW - water treatment residual

KW - wood mulch

UR - http://www.scopus.com/inward/record.url?scp=85065239446&partnerID=8YFLogxK

U2 - 10.1002/wer.1055

DO - 10.1002/wer.1055

M3 - Article

VL - 91

SP - 523

EP - 535

JO - Water Environment Research

JF - Water Environment Research

SN - 1061-4303

IS - 6

ER -