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Mr. Antonio Aguilar-Garrido
PhD Fellow at the Department of Soil Science and Agricultural Chemistry, University of Granada, Spain

Basic Info


Research Keywords & Expertise

0 Contamination
0 Ecotoxicology
0 Soil
0 Soil Science
0 Water

Honors and Awards

FPU. Formación de Profesorado Universitario contract.

Granted in October 2019 to pursue a Ph.D., and at the same time acquire university teaching competencies. End date: October 2023.

Spanish Ministry of Science, Innovation and Universities


Best Final Degree Project Award in Environmental Sciences of Andalusia of 2017

Awardedin June 2018.

Professional Association of Graduates in Environmental Sciences of Andalusia (COAMBA).


Collaboration grant in university departments.

Developed between October 2016 and July 2017 carrying out the final degree project and getting started in scientific research.

Spanish Ministry of Education, Culture and Sport




Career Timeline

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Short Biography

Antonio Aguilar-Garrido is a Ph. D. student in the field of soil science at the Department of Soil Science and Agricultural Chemistry of the University of Granada (Spain) under the supervision of professor Ph. D. Francisco José Martín Peinado. He is a graduate student of Environmental Sciences from the University of Granada. Also, he holds a Master of Science in Conservation, Management and Restoration of Biodiversity at the University of Granada. His research focuses on generation of Technosols from urban, agricultural and industrial waste to use in the treatment of water and soils contaminated by potentially harmful elements (PHEs) such as arsenic (As), cadmium (Cd) and lead (Pb). His main interests are related with the fields of soil and water contamination/decontamination, mining restoration, toxicity assessment and circular economy.

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Project

Project Goal: Finding new ways to restore polluted soils by potentially harmful elements based on waste revaluation and bioremediation

Starting Date:01 January 2019

Current Stage: In process (funded by Spanish Ministry of Science, Innovation and Universities) and carried out by Estación Experimental del Zaidín- CSIC and Department of Soil Science and Agricultural Chemistry-UGR.

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Original paper
Published: 15 June 2021 in International Journal of Environmental Science and Technology
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The purpose of this study is to determine the capacity of peat and carbonated waste obtained from peat extraction to remove arsenic from highly polluted waters. This research examined the arsenic adsorption of both materials (peat and carbonated waste) and different mixtures made from both materials exposed to arsenic-polluted waters at concentrations of 0, 50, 100, and 200 μg As l−1. The potential toxicity of the treated waters, materials, and mixtures was also assessed by toxicity bioassays using Lactuca sativa L. and heterotrophic respiration. In all cases, a significant reduction in arsenic concentration in the treated waters occurred; however, the mixture richest in peat (90%) and the carbonated waste were the most effective, while single peat was the only one that did not reduce arsenic concentration below the guideline value for drinking water (10 µg As l−1) set by the World Health Organization. The adsorption capacity of the materials and mixtures is strongly conditioned by their properties, especially pH and calcium carbonate content. The mixture richest in peat had a much higher arsenic adsorption capacity than single peat. Generally, high potential toxicity was detected in single peat, while carbonated waste and the mixtures showed better responses. Nevertheless, this toxicity may be due to the toxic effect of polyphenolic compounds in peat instead of the arsenic content. Results reveal that carbonated waste is the most recommended material for the decontamination of arsenic-polluted waters, while mixtures enhance arsenic adsorption and decrease phytotoxic effects, promoting the potential fertility of the carbonated waste.

ACS Style

A. Aguilar-Garrido; M. García-Carmona; M. Sierra-Aragón; F. J. Martín-Peinado; F. J. Martínez Garzón. Carbonated waste valorisation from a peat bog exploitation in the treatment of arsenic-polluted waters. International Journal of Environmental Science and Technology 2021, 1 -12.

AMA Style

A. Aguilar-Garrido, M. García-Carmona, M. Sierra-Aragón, F. J. Martín-Peinado, F. J. Martínez Garzón. Carbonated waste valorisation from a peat bog exploitation in the treatment of arsenic-polluted waters. International Journal of Environmental Science and Technology. 2021; ():1-12.

Chicago/Turabian Style

A. Aguilar-Garrido; M. García-Carmona; M. Sierra-Aragón; F. J. Martín-Peinado; F. J. Martínez Garzón. 2021. "Carbonated waste valorisation from a peat bog exploitation in the treatment of arsenic-polluted waters." International Journal of Environmental Science and Technology , no. : 1-12.

Preprint content
Published: 04 March 2021
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Mining is a crucial industry worldwide because of its economic and social importance. However, the increasing number of operating mines raises major concerns for health and the environment. The intense mining activity generates large quantities of wastes associated with several environmental problems. For example, the generation of acid mine drainages (AMD) by oxidation of sulphide ores stored in tailings deposits, leachates high concentrations of potentially harmful elements (PHEs), which poses severe pollution problems to the environment (aquatic and terrestrial ecosystems). This study evaluates the acid neutralisation capacity and the removal effectiveness of inorganic PHEs present in an AMD of different waste materials. This study is a first approach to future studies to develop pilot remediation studies using designed waste-derived Technosols. The waste used includes 4 mining wastes (iron oxide and hydroxide sludges [IO], marble cutting and polishing sludge [MS], gypsum spoil [GS], and carbonated waste from a peat extraction [CW]), 3 urban wastes (composted sewage sludge [WS], bio-stabilised material from municipal solid waste [BM], and vermicompost from pruning and gardening [VC]), and 3 agro-industrial wastes (2 solid olive-mill by-products [OW, OL] and composted greenhouse waste [GW]). All waste materials were spiked with the acidic water (AMDL) prepared in the laboratory from the oxidation of pyritic tailings from the Aznalcóllar mine accident (1998). Afterward, they were stirred for 24 h and filtered, separating the waste (solid phase) from the leachate (liquid phase). In the leachate (AMDL treated), pH(L) 1:5, EC(L) 1:5, and inorganic PHEs concentrations were measured, the latter by ICP-MS. The acidic water showed a strongly acidic character (pH(L) ~ 2.89), high salinity (EC(L) ~ 3.76 dS m-1), and high concentrations of PHEs. Among them, As, Cd, Cr, Cu, Ni, Pb, Sb, Th, Tl, U, V, Y, and Zn stood out since they far exceed various legal limits widely used worldwide and/or because their high toxicity to humans, animals, plants or microorganisms. The most abundant were Zn (32.21 mg l-1), Cu (6.24 mg l-1), As (2.86 mg l-1), Sb (0.82 mg l-1), Pb (0.60 mg l-1), and Cd (0.45 mg l-1). All wastes were effective in neutralising the acidic pH(L) of the AMD, as the leachates showed pH(L) close to 7. In contrast, changes in the EC(L) have been very irregular among the wastes used. In general, all wastes have been effective in adsorbing the PHEs. Inorganic wastes have been much more effective than organic ones, with adsorption efficiencies above 95% for many of the PHEs (particularly for those in higher concentrations). The waste with the best remediation behaviour were IO, CW, MS, GS, and VC. Conversely, GW and WS were the worst at removing PHEs present in AMD. Therefore, this study shows that many of wastes tested are suitable for the construction of Technosols from these wastes to prevent soil pollution by AMD discharge.

ACS Style

Antonio Aguilar Garrido; Francisco Javier Martínez Garzón; Mario Paniagua López; Manuel Sierra Aragón; Emilia Fernández Ondoño; Francisco José Martín Peinado. Potential of mining, agro-industrial, and urban wastes for the remediation of acidic mine water. 2021, 1 .

AMA Style

Antonio Aguilar Garrido, Francisco Javier Martínez Garzón, Mario Paniagua López, Manuel Sierra Aragón, Emilia Fernández Ondoño, Francisco José Martín Peinado. Potential of mining, agro-industrial, and urban wastes for the remediation of acidic mine water. . 2021; ():1.

Chicago/Turabian Style

Antonio Aguilar Garrido; Francisco Javier Martínez Garzón; Mario Paniagua López; Manuel Sierra Aragón; Emilia Fernández Ondoño; Francisco José Martín Peinado. 2021. "Potential of mining, agro-industrial, and urban wastes for the remediation of acidic mine water." , no. : 1.

Research article
Published: 06 February 2021 in Land Degradation & Development
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This study evaluates the effectiveness of remediation treatments in the long‐term (twenty years later) in one of the largest mine spills in the world, the Aznalcóllar accident. Soil recovery was carried out through the application of different rates of organic (compost and manure) and inorganic amendments (materials rich in iron oxides and calcium carbonate). Different amendment combinations were grouped in four treatments (T1 to T4) and applied in different sectors depending on the soil properties and the degree of initial contamination. To assess the degree of soil recovery, physicochemical properties, total, water‐soluble, and bioavailable concentrations of the main contaminants (Pb, As, Zn and Cu) were determined over time. Applied treatments increased pH, calcium carbonate and organic carbon content of soils, reduced electrical conductivity and decreased mobility of contaminants, indicating that remediation treatments were efficient recovering soils contaminated by potentially harmful elements. However, twenty years after the accident, total concentrations of Pb and As still exceed the intervention levels of the current regulations in certain areas. These areas are located in the sectors closest to the mine and where treatments T1 and T2 were applied. In these cases, the added doses of organic amendments, iron oxide‐rich soils, and carbonate amendments were not sufficiently effective, so the application of new treatments is recommended to complete the total recovery of the Guadiamar Green Corridor.

ACS Style

Rocío Pastor‐Jáuregui; Mario Paniagua‐López; Antonio Aguilar‐Garrido; Francisco Martín‐Peinado; Manuel Sierra‐Aragón. Long‐term assessment of remediation treatments applied to an area affected by a mining spill in Spain. Land Degradation & Development 2021, 32, 2481 -2492.

AMA Style

Rocío Pastor‐Jáuregui, Mario Paniagua‐López, Antonio Aguilar‐Garrido, Francisco Martín‐Peinado, Manuel Sierra‐Aragón. Long‐term assessment of remediation treatments applied to an area affected by a mining spill in Spain. Land Degradation & Development. 2021; 32 (8):2481-2492.

Chicago/Turabian Style

Rocío Pastor‐Jáuregui; Mario Paniagua‐López; Antonio Aguilar‐Garrido; Francisco Martín‐Peinado; Manuel Sierra‐Aragón. 2021. "Long‐term assessment of remediation treatments applied to an area affected by a mining spill in Spain." Land Degradation & Development 32, no. 8: 2481-2492.

Journal article
Published: 29 October 2020 in Minerals
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Soil arsenic (As) pollution is still a major concern due to its high toxicity and carcinogenicity, thus, the study of decontamination techniques, as the organic amendment applications, keeps upgrading. This research evaluates the potential remediation of peat in different As-polluted soils, by assessing the decrease of As solubility and its toxicity through bioassays. Obtained reduction in As solubility by peat addition was strongly related to the increase of humic substances, providing colloids that allow the complexation of As compounds. Calcareous soils have been the least effective at buffering As pollution, with higher As concentrations and worse biological response (lower soil respiration and inhibition of lettuce germination). Non-calcareous soils showed lower As concentrations due to the higher iron content, which promotes As fixation. Although in both cases, peat addition improves the biological response, it also showed negative effects, hypothetically due to peat containing toxic polyphenolic compounds, which in the presence of carbonates appears to be concealed. Both peat dose tested (2% and 5%) decreased drastically As mobility; however, for calcareous soils, as there is no phytotoxic effect, the 5% dose is the most recommended; while for non-calcareous soils the efficient peat dose for As decontamination could be lower.

ACS Style

Antonio Aguilar-Garrido; Ana Romero-Freire; Minerva García-Carmona; Francisco Martín Peinado; Manuel Sierra Aragón; Francisco Martínez Garzón. Arsenic Fixation in Polluted Soils by Peat Applications. Minerals 2020, 10, 968 .

AMA Style

Antonio Aguilar-Garrido, Ana Romero-Freire, Minerva García-Carmona, Francisco Martín Peinado, Manuel Sierra Aragón, Francisco Martínez Garzón. Arsenic Fixation in Polluted Soils by Peat Applications. Minerals. 2020; 10 (11):968.

Chicago/Turabian Style

Antonio Aguilar-Garrido; Ana Romero-Freire; Minerva García-Carmona; Francisco Martín Peinado; Manuel Sierra Aragón; Francisco Martínez Garzón. 2020. "Arsenic Fixation in Polluted Soils by Peat Applications." Minerals 10, no. 11: 968.