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2. Contributors

Author

Giorgia Aimola, Khalid J. Alzahrani, Adenike Eunice Amoo, Valeria Ancona, Sanem Argin, Tuba Arjumend, Anam Ashraf, Ayansina Segun Ayangbenro, Gargi Bhattacharjee, Irshad Bibi, Dilara Birinci, Parisa Bolouri, Domenico Borello, Sylvain Bourgerie, Anna Barra Caracciolo, Mukkaram Ejaz, Melek Ekinci, Nilda Ersoy, Joël Fontaine, Gordana Gajić, Nisarg Gohil, Paola Grenni, Ankita Gupta, Adem Güneş, Fasih U. Haider, Sunila Hooda, Sajid Husain, Azhar Hussain, David Okeh Igwe, N.F. Islam, Ksenija Jakovljević, Sonia Labidi, Manhattan Lebrun, Cheng Liu, Francisco J. López-Bellido, Sahrish Majeed, Arnab Majumdar, Garima Malik, Rupesh Maurya, Hacène Meglouli, Tariq Mehmood, Florie Miard, Miroslava Mitrović, Domenico Morabito, Romain Nandillon, Nabeel Khan Niazi, Omena Bernard Ojuederie, Shesan John Owonubi, Janhvi Pandey, Vimal Chandra Pandey, Henny Patel, Rupshikha Patowary, Pavle Pavlović, Jacob Olagbenro Popoola, Dragana Ranđelović, Ida Rascio, Umair Riaz, Luis Rodríguez, Sumeera Asghar, Anissa Lounès-Hadj Sahraoui, Maryline Calonne-Salmon, Sougata Sarkar, Hemen Sarma, M. Shahid, Shreya Shakhreliya, Mehak Shaz, Vijai Singh, Sudhakar Srivastava, Virtudes Sánchez, Metin Turan, Vito F. Uricchio, Ertan Yıldırım, and Tijana Zeremski

Published
2022
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3. Potential use of biochar, compost and iron grit associated with Trifolium repens to stabilize Pb and As on a multi-contaminated technosol

Author

O. Lahwegue, Fabienne Battaglia-Brunet, Manhattan Lebrun, Stéphane Sabatier, Marie Gaillard, Domenico Morabito, Romain Nandillon, Florie Miard, Sylvain Bourgerie, Laboratoire de Biologie des Ligneux et des Grandes Cultures (LBLGC), Institut National de la Recherche Agronomique (INRA)-Université d'Orléans (UO), Institut des Sciences de la Terre d'Orléans - UMR7327 (ISTO), Bureau de Recherches Géologiques et Minières (BRGM) (BRGM)-Observatoire des Sciences de l'Univers en région Centre (OSUC), Institut national des sciences de l'Univers (INSU - CNRS)-Centre National de la Recherche Scientifique (CNRS)-Université d'Orléans (UO)-Observatoire de Paris, Université Paris sciences et lettres (PSL)-Université Paris sciences et lettres (PSL)-Institut national des sciences de l'Univers (INSU - CNRS)-Centre National de la Recherche Scientifique (CNRS)-Université d'Orléans (UO)-Observatoire de Paris, Université Paris sciences et lettres (PSL)-Université Paris sciences et lettres (PSL)-Institut national des sciences de l'Univers (INSU - CNRS)-Université d'Orléans (UO)-Centre National de la Recherche Scientifique (CNRS), IDDEA (IDDEA), Biogéosystèmes Continentaux - UMR7327, Université Paris sciences et lettres (PSL)-Université Paris sciences et lettres (PSL)-Institut national des sciences de l'Univers (INSU - CNRS)-Université d'Orléans (UO)-Centre National de la Recherche Scientifique (CNRS)-Bureau de Recherches Géologiques et Minières (BRGM) (BRGM)-Observatoire des Sciences de l'Univers en région Centre (OSUC), University of Molise [Campobasso] (UNIMOL), University of Molise, Bureau de Recherches Géologiques et Minières (BRGM) (BRGM), Institut national des sciences de l'Univers (INSU - CNRS)-Observatoire de Paris, PSL Research University (PSL)-PSL Research University (PSL)-Université d'Orléans (UO)-Centre National de la Recherche Scientifique (CNRS)-Institut national des sciences de l'Univers (INSU - CNRS)-Observatoire de Paris, PSL Research University (PSL)-PSL Research University (PSL)-Université d'Orléans (UO)-Centre National de la Recherche Scientifique (CNRS)-Institut national des sciences de l'Univers (INSU - CNRS)-Université d'Orléans (UO)-Centre National de la Recherche Scientifique (CNRS), PSL Research University (PSL)-PSL Research University (PSL)-Université d'Orléans (UO)-Centre National de la Recherche Scientifique (CNRS)-Institut national des sciences de l'Univers (INSU - CNRS)-Université d'Orléans (UO)-Centre National de la Recherche Scientifique (CNRS)-Bureau de Recherches Géologiques et Minières (BRGM) (BRGM)-Observatoire des Sciences de l'Univers en région Centre (OSUC), PSL Research University (PSL)-PSL Research University (PSL)-Institut national des sciences de l'Univers (INSU - CNRS)-Centre National de la Recherche Scientifique (CNRS)-Université d'Orléans (UO)-Observatoire de Paris, PSL Research University (PSL)-PSL Research University (PSL)-Institut national des sciences de l'Univers (INSU - CNRS)-Université d'Orléans (UO)-Centre National de la Recherche Scientifique (CNRS), and PSL Research University (PSL)-PSL Research University (PSL)-Institut national des sciences de l'Univers (INSU - CNRS)-Université d'Orléans (UO)-Centre National de la Recherche Scientifique (CNRS)-Bureau de Recherches Géologiques et Minières (BRGM) (BRGM)-Observatoire des Sciences de l'Univers en région Centre (OSUC)

Subjects
Health, Toxicology and Mutagenesis, Iron, 0211 other engineering and technologies, Amendment, chemistry.chemical_element, 02 engineering and technology, Technosol, 010501 environmental sciences, engineering.material, Dispersion (geology), 01 natural sciences, Mining, Biocha, Arsenic, Soil, Biochar, Soil Pollutants, rCompostIron gritmetal(loid)s, Environmental Restoration and Remediation, 0105 earth and related environmental sciences, 2. Zero hunger, Pollutant, 021110 strategic, defence & security studies, biology, Chemistry, Compost, Composting, Public Health, Environmental and Occupational Health, General Medicine, biology.organism_classification, Pollution, 6. Clean water, Phytomanagemen, Lead, [SDU]Sciences of the Universe [physics], Environmental chemistry, Charcoal, tTrifolium, Trifolium repens, engineering, Trifolium
Abstract

International audience; Vegetation cover can be used in the phytomanagement of polluted areas by adding value to abandoned sites and reducing the dispersion of pollutants by erosion. Appropriate amendments, that allow both efficient plant growth and the immobilization of contaminants in the soil must be chosen in order to optimize the efficiency of this process. We used a mining technosol mainly contaminated by arsenic (1068 mg kg−1) and lead (23387 mg kg−1) to study the effect of three amendments (biochar, compost and iron grit) on (i) physico-chemical properties of the soil and soil pore water, (ii) metal(loid) mobility, bioavailability and bioaccessibility (CaCl2 and Simple Bioaccessibility Extraction Test (SBET)), and (iii) the capability of Trifolium repens to germinate and grow. All the amendments used increased the pH and electrical conductivity of the SPW, resulting in a 90% decrease in the concentration of lead in the soil pore water (SPW). We also demonstrated a decrease in Pb phytoavailability. The amendments allowed the establishment of a plant cover, although the addition of iron grit alone did not allow any clover germination. For the Pontgibaud technosol, the combination of the three amendments resulted in a significant decrease in As and Pb concentrations in clover tissues, mainly in the aerial organs. The amendments also made it possible for some of them to halve the phytoavailable fraction of arsenic. However, for compost, both the As concentrations in the SPW, and the bioavailable fraction of As increased. All the amendments used had contrasting effects on the bioaccessible fractions of metal(loid)s. The most efficient amendment combination was the addition of 5% biochar and 5% compost.

Published
2019
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