Cited by 146Pesticide and Herbicide Environmental StudiesAdsorption and biosorption for pollutant removalSoil Carbon and Nitrogen Dynamics

Properties of biochar-amended soils and their sorption of imidacloprid, isoproturon, and atrazine

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Jin, Jie, Kang, Mingjie, Sun, Ke, Pan, Zezhen, Wu, Fengchang, Xing, Baoshan·2016·Science of The Total Environment

Abstract

Biochars produced from rice straw, wheat straw and swine manure at 300, 450 and 600°C were added to soil at 1, 5, 10, or 20% levels to determine whether they would predictably reduce the pore water concentration of imidacloprid, isoproturon, and atrazine. The sorption capacity of the mixtures increased with increasing biochar amounts. The enhanced sorption capacity could be attributed to the increased organic carbon (OC) content and surface area (SA) as well as the decreased hydrophobicity. Biochar dominated the overall sorption when its content was above 5%. The OC contents of the mixtures with 10% and 20% biochar were generally lower than the predicted values. This implies possible interaction between soil components and biochar and/or the effect of biochar oxidation. For soils amended with biochars produced at 300°C, the N2 SA (N2-SA) values were underestimated. The predicted CO2 SA (CO2-SA) values of the mixtures at the biochar content of 10% and 20% were generally higher than the experimental values. Sorption of imidacloprid to the soils amended with biochar at 10% and 20% levels, excluding the soils amended with rice (SR300) and wheat (SW300) straw-derived biochar produced at 300°C, was lower than the predicted value. For SR300 and SW300, the intrinsic sorption capacity of biochar was enhanced by 1.3-5.6 times, depending on the biochar, solute concentration, and biochar dose. This study indicates that biochars would be helpful to stabilize the soil contaminated with imidacloprid, isoproturon, and atrazine, but the sorption capacity of the mixtures could exceed or fall short of predicted values without assuming a cross-effect between soil and biochar.

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Crossref · 10.1016/j.scitotenv.2016.01.117

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Authors
Jin, J., Kang, M., Sun, K., Pan, Z., Wu, F., & Xing, B.
Affiliations
  • University of Massachusetts Amherst (US)
  • Beijing Normal University (CN)
  • Chinese Research Academy of Environmental Sciences (CN)
Corresponding author
Sun, Ke
Venue
Science of The Total Environment
Publisher
Elsevier BV
Published
2016-04
Volume
550
Pages
504-513
ISSN
0048-9697 (ISSN-L)
OpenAlex
W2267445599
Cited by
146
References
36
Citations by year
2026: 13 · 2025: 10 · 2024: 17 · 2023: 15 · 2022: 19 · 2021: 18 · 2020: 20 · 2019: 10 · 2018: 8 · 2017: 12 · 2016: 4
FWCI
6.18
Type
journal article
Language
en
Open access
Locations
  • The Science of The Total Environment (acceptedVersion)
  • PubMed (publishedVersion)
Funders
  • National Natural Science Foundation of China (41273106, 41473087, 41522303)
  • National Science Foundation for Innovative Research Group (51121003)
  • Beijing Higher Education Young Elite Teacher Project (YETP0273)
Topics
  • Physical Sciences › Environmental Science › Pollution › Pesticide and Herbicide Environmental Studies
  • Physical Sciences › Environmental Science › Water Science and Technology › Adsorption and biosorption for pollutant removal
  • Life Sciences › Agricultural and Biological Sciences › Soil Science › Soil Carbon and Nitrogen Dynamics
Keywords
biochar, soil amendment, pesticide sorption, imidacloprid, isoproturon, atrazine, rice straw biochar, wheat straw biochar, pore water concentration, soil organic carbon, surface area, hydrophobicity
MeSH terms
Neonicotinoids, Atrazine, Charcoal, Herbicides, Imidazoles, Nitro Compounds, Phenylurea Compounds, Soil, Soil Pollutants, Environmental Restoration and Remediation

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