Cited by 182Adsorption and biosorption for pollutant removalPesticide and Herbicide Environmental StudiesEnvironmental remediation with nanomaterials

Sorption of Deisopropylatrazine on Broiler Litter Biochars

Uchimiya, Minori, Wartelle, Lynda H., Lima, Isabel M., Klasson, K. Thomas·2010·Journal of Agricultural and Food Chemistry

Abstract

Biochars have received increasing attention in recent years because of a large-scale soil amendment to improve soil fertility, immobilize contaminants, and to serve as a recalcitrant carbon stock. Information is currently lacking in factors controlling the sorption capacity of manure-derived biochars. In this study, sorption isotherms for deisopropylatrazine, a stable metabolite of the widely applied herbicide atrazine, were obtained in acidic aqueous media (pH 5.5) for broiler litter-derived biochars formed by pyrolysis at 350 and 700 °C with and without steam activation at 800 °C. An increase in the Freundlich distribution coefficient (KF) and isotherm nonlinearity (nF) was observed with pyrolysis temperature and steam-activation, suggesting that the surface area and aromaticity (degree of carbonization) are the factors controlling the sorption capacity of chars at low surface coverage. At high surface coverage, the isotherms became increasingly linear, suggesting sorption on noncarbonized fraction of biochars. In binary-solute experiments, the sorption of deisopropylatrazine was significantly diminished by Cu(II), further suggesting the predominance of the surface adsorption mechanism at low surface coverage of biochars.

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Crossref · 10.1021/jf102152q

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  • Biochar produced at a temperature higher than 400 °C was more effective for organic and inorganic contaminant sorption due to its high surface area and considerable micropore development.

    “biochar produced at a temperature higher than 400 °C was more effective for organic and inorganic contaminant sorption due to its high surface area and considerable micropore development”

    From Biochar physicochemical properties: pyrolysis temperature and feedstock kind effects (2020) · cites this paper as Uchimiya et al. 2010

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Authors
Uchimiya, M., Wartelle, L. H., Lima, I. M., & Klasson, K. T.
Affiliations
Southern Regional Research Center (US)
Corresponding author
Uchimiya, Minori
Venue
Journal of Agricultural and Food Chemistry
Published
2010-11-04
Volume
58
Issue
23
Pages
12350-12356
ISSN
  • 0021-8561 (ISSN-L)
  • 1520-5118
OpenAlex
W2313642868
Cited by
182
References
35
Citations by year
2026: 4 · 2025: 9 · 2024: 9 · 2023: 19 · 2022: 26 · 2021: 14 · 2020: 23 · 2019: 11 · 2018: 11 · 2017: 14 · 2016: 8 · 2015: 7 · 2014: 8 · 2013: 9 · 2012: 9
FWCI
6.16
Type
journal article
Language
en
Open access
closed
Locations
  • Journal of Agricultural and Food Chemistry (publishedVersion)
  • PubMed (publishedVersion)
Topics
  • Physical Sciences › Environmental Science › Water Science and Technology › Adsorption and biosorption for pollutant removal
  • Physical Sciences › Environmental Science › Pollution › Pesticide and Herbicide Environmental Studies
  • Physical Sciences › Engineering › Biomedical Engineering › Environmental remediation with nanomaterials
Keywords
deisopropylatrazine, biochar, broiler litter, sorption isotherms, Freundlich isotherm, pyrolysis temperature, steam activation, heavy metal interference, copper, herbicide metabolites, soil amendment
MeSH terms
Adsorption, Animals, Atrazine, Charcoal, Chickens, Herbicides, Manure, Soil Pollutants, Environmental Restoration and Remediation

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