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Effect of Soil Solution Properties and Cu 2+ Co-Existence on the Adsorption of Sulfadiazine onto Paddy Soil

Author

Listed:
  • Ziwen Xu

    (School of Agricultural Engineering and Food Science, Shandong University of Technology, Zibo 225049, China)

  • Shiquan Lv

    (School of Agricultural Engineering and Food Science, Shandong University of Technology, Zibo 225049, China)

  • Shuxiang Hu

    (School of Agricultural Engineering and Food Science, Shandong University of Technology, Zibo 225049, China)

  • Liang Chao

    (School of Resources and Environmental Engineering, Shandong University of Technology, Zibo 255049, China)

  • Fangxu Rong

    (School of Agricultural Engineering and Food Science, Shandong University of Technology, Zibo 225049, China)

  • Xin Wang

    (School of Agricultural Engineering and Food Science, Shandong University of Technology, Zibo 225049, China)

  • Mengyang Dong

    (School of Agricultural Engineering and Food Science, Shandong University of Technology, Zibo 225049, China)

  • Kai Liu

    (School of Resources and Environmental Engineering, Shandong University of Technology, Zibo 255049, China)

  • Mingyue Li

    (School of Resources and Environmental Engineering, Shandong University of Technology, Zibo 255049, China)

  • Aiju Liu

    (School of Resources and Environmental Engineering, Shandong University of Technology, Zibo 255049, China)

Abstract

Paddy soils are globally distributed and saturated with water long term, which is different from most terrestrial ecosystems. To better understand the environmental risks of antibiotics in paddy soils, this study chose sulfadiazine (SDZ) as a typical antibiotic. We investigated its adsorption behavior and the influence of soil solution properties, such as pH conditions, dissolved organic carbon (DOC), ionic concentrations (IC), and the co-existence of Cu 2+ . The results indicated that (1) changes in soil solution pH and IC lower the adsorption of SDZ in paddy soils. (2) Increase of DOC facilitated the adsorption of SDZ in paddy soils. (3) Cu 2+ co-existence increased the adsorption of SDZ on organic components, but decreased the adsorption capacity of clay soil for SDZ. (4) Further FTIR and SEM analyses indicated that complexation may not be the only form of Cu 2+ and SDZ co-adsorption in paddy soils. Based on the above results, it can be concluded that soil solution properties and co-existent cations determine the sorption behavior of SDZ in paddy soils.

Suggested Citation

  • Ziwen Xu & Shiquan Lv & Shuxiang Hu & Liang Chao & Fangxu Rong & Xin Wang & Mengyang Dong & Kai Liu & Mingyue Li & Aiju Liu, 2021. "Effect of Soil Solution Properties and Cu 2+ Co-Existence on the Adsorption of Sulfadiazine onto Paddy Soil," IJERPH, MDPI, vol. 18(24), pages 1-12, December.
    • Handle: RePEc:gam:jijerp:v:18:y:2021:i:24:p:13383-:d:706150
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    Cited by:

    1. Liping Li & Lanfang Han & Aiju Liu & Fayuan Wang, 2022. "Imperfect but Hopeful: New Advances in Soil Pollution and Remediation," IJERPH, MDPI, vol. 19(16), pages 1-3, August.

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