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Cela-Dablanca R, Barreiro A, Rodríguez-López L, Santás-Miguel V, Arias-Estévez M, Fernández-Sanjurjo MJ, Álvarez-Rodríguez E, Núñez-Delgado A. Amoxicillin Retention/Release in Agricultural Soils Amended with Different Bio-Adsorbent Materials. MATERIALS 2022; 15:ma15093200. [PMID: 35591534 PMCID: PMC9100866 DOI: 10.3390/ma15093200] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 03/24/2022] [Revised: 04/20/2022] [Accepted: 04/27/2022] [Indexed: 12/10/2022]
Abstract
The antibiotic amoxicillin (AMX) may reach soils and other environmental compartments as a pollutant, with potential to affect human and environmental health. To solve/minimize these hazards, it would be clearly interesting to develop effective and low-cost methods allowing the retention/removal of this compound. With these aspects in mind, this work focuses on studying the adsorption/desorption of AMX in different agricultural soils, with and without the amendment of three bio-adsorbents, specifically, pine bark, wood ash and mussel shell. For performing the research, batch-type experiments were carried out, adding increasing concentrations of the antibiotic to soil samples with and without the amendment of these three bio-adsorbents. The results showed that the amendments increased AMX adsorption, with pine bark being the most effective. Among the adsorption models that were tested, the Freundlich equation was the one showing the best fit to the empirical adsorption results. Regarding the desorption values, there was a decrease affecting the soils to which the bio-adsorbents were added, with overall desorption not exceeding 6% in any case. In general, the results indicate that the bio-adsorbents under study contributed to retaining AMX in the soils in which they were applied, and therefore reduced the risk of contamination by this antibiotic, which can be considered useful and relevant to protect environmental quality and public health.
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Affiliation(s)
- Raquel Cela-Dablanca
- Department Soil Science and Agricultural Chemistry, Engineering Polytechnic School, University Santiago de Compostela, 27002 Lugo, Spain; (A.B.); (M.J.F.-S.); (E.Á.-R.); (A.N.-D.)
- Correspondence: ; Tel.: +34-982823145
| | - Ana Barreiro
- Department Soil Science and Agricultural Chemistry, Engineering Polytechnic School, University Santiago de Compostela, 27002 Lugo, Spain; (A.B.); (M.J.F.-S.); (E.Á.-R.); (A.N.-D.)
| | - Lucia Rodríguez-López
- Soil Science and Agricultural Chemistry, Faculty Sciences, University Vigo, 32004 Ourense, Spain; (L.R.-L.); (V.S.-M.); (M.A.-E.)
| | - Vanesa Santás-Miguel
- Soil Science and Agricultural Chemistry, Faculty Sciences, University Vigo, 32004 Ourense, Spain; (L.R.-L.); (V.S.-M.); (M.A.-E.)
| | - Manuel Arias-Estévez
- Soil Science and Agricultural Chemistry, Faculty Sciences, University Vigo, 32004 Ourense, Spain; (L.R.-L.); (V.S.-M.); (M.A.-E.)
| | - María J. Fernández-Sanjurjo
- Department Soil Science and Agricultural Chemistry, Engineering Polytechnic School, University Santiago de Compostela, 27002 Lugo, Spain; (A.B.); (M.J.F.-S.); (E.Á.-R.); (A.N.-D.)
| | - Esperanza Álvarez-Rodríguez
- Department Soil Science and Agricultural Chemistry, Engineering Polytechnic School, University Santiago de Compostela, 27002 Lugo, Spain; (A.B.); (M.J.F.-S.); (E.Á.-R.); (A.N.-D.)
| | - Avelino Núñez-Delgado
- Department Soil Science and Agricultural Chemistry, Engineering Polytechnic School, University Santiago de Compostela, 27002 Lugo, Spain; (A.B.); (M.J.F.-S.); (E.Á.-R.); (A.N.-D.)
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Núñez-Delgado A, Álvarez-Rodríguez E, Fernández-Sanjurjo MJ. Low cost organic and inorganic sorbents to fight soil and water pollution. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2019; 26:11511-11513. [PMID: 30927223 DOI: 10.1007/s11356-019-04901-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/23/2019] [Accepted: 03/18/2019] [Indexed: 06/09/2023]
Affiliation(s)
- Avelino Núñez-Delgado
- Department of Soil Science and Agricultural Chemistry, Engineering Polytechnic School, University of Santiago de Compostela, Campus University, s/n 27002, Lugo, Spain.
| | - Esperanza Álvarez-Rodríguez
- Department of Soil Science and Agricultural Chemistry, Engineering Polytechnic School, University of Santiago de Compostela, Campus University, s/n 27002, Lugo, Spain
| | - María J Fernández-Sanjurjo
- Department of Soil Science and Agricultural Chemistry, Engineering Polytechnic School, University of Santiago de Compostela, Campus University, s/n 27002, Lugo, Spain
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