Article
Environmental Sciences
Sarah Van Glubt, Mark L. Brusseau, Ni Yan, Dandan Huang, Naima Khan, Kenneth C. Carroll
Summary: This study compared the consistency between column and batch experiment methods for measuring solid-phase sorption coefficients and isotherms for PFAS. The results showed that column and batch experiments can measure consistent sorption isotherms and sorption coefficients for PFOS and PFOA when robust experimental setup and data analysis are implemented.
ENVIRONMENTAL POLLUTION
(2021)
Article
Geochemistry & Geophysics
Sifat Azad Papry, Tarek L. Rashwan, Pulin K. Mondal, Mehran Behazin, Peter G. Keech, Magdalena M. Krol
Summary: This study investigates the sorption behavior of bisulfide (HS-) onto bentonite, and finds that HS- sorption occurs faster and has a higher equilibrium sorption capacity at higher temperatures. The study also suggests that the irreversible sorption of HS- onto bentonite may be due to the chemical reactions between HS- and the iron present in bentonite, forming iron monosulfide (FeS). These findings provide critical information to better understand the sorption mechanism of HS- on bentonite and reduce HS- transport in deep geological repositories.
APPLIED GEOCHEMISTRY
(2023)
Article
Environmental Sciences
Behrooz Shirkhorshidi, Mohsen Dehghani Ghanatghestani, Farid Moeinpour, Hossein Parvaresh
Summary: Global awareness of microplastics in soils, especially agricultural soils, is increasing. This study examined the impact of high-density polyethylene (HDPE) microplastics on iron (Fe) adsorption and desorption in soil. The results showed that the addition of microplastics reduced iron sorption but enhanced excretion, with effects varying based on microplastic dosage, size, and pH. Energy-dispersive X-ray spectroscopy confirmed iron adsorption on the surface of microplastics. The introduction of microplastics into the soil may increase iron mobility and pose more risks to the agricultural ecosystem.
WATER AIR AND SOIL POLLUTION
(2023)
Article
Engineering, Environmental
Bruna Cassia da Silva, Emanuelle Sansana Delgobo, Joelma Correa, Adriane Zanutto, Deborah Cristina Crominski da Silva Medeiros, Giane Gonsalves Lenzi, Everton Moraes Matos, Juliana Martins Teixeira de Abreu Pietrobelli
Summary: Reactive dyes in the textile industry are toxic and difficult to degrade. This study demonstrates the use of malt bagasse, a by-product of the brewing industry, for the adsorption of a synthetic reactive dye, allowing for waste material utilization and resource recovery. The malt bagasse showed good adsorption capacity and dye recovery, making it a potential solution for the removal and recovery of reactive dyes in wastewater.
JOURNAL OF WATER PROCESS ENGINEERING
(2023)
Article
Environmental Sciences
Shaoyi Wang, Jun Wei, Zijing Zheng, Jiawei Wu, Jianqiang Xu, Haijian Xie
Summary: Phthalic acid ester (PAE) is a toxic pollutant commonly found in landfill sites. Soil-bentonite is often used as a barrier material to control groundwater contamination. This study found that the use of modified bentonite can increase the adsorption capacity of organic pollutants and reduce permeability.
SCIENCE OF THE TOTAL ENVIRONMENT
(2023)
Article
Environmental Sciences
Yameng Ma, Jia Zhu, Jianghua Yu, Yicheng Fu, Chao Gong, Xiao Huang
Summary: In this study, Al-doped waste ceramsite (Al-ceramsite) was synthesized using sludge, cement block, and coal fly ash as ceramsite material. The Al-ceramsite showed efficient removal of phosphate (PO43--P) from aqueous solutions under optimized conditions. It was also successful in completely removing PO43--P from actual rainwater, with the effluent concentration meeting surface water quality standards. X-ray photoelectron spectroscopy (XPS) analysis indicated that ligand exchange and complexation were the main mechanisms of PO43--P removal by Al-ceramsite. This research highlights the potential of Al-ceramsite, a product made from industrial waste, for practical application in phosphorus removal.
INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH AND PUBLIC HEALTH
(2023)
Article
Chemistry, Analytical
Krishna Yadav, Sheeja Jagadevan
Summary: This study explores the use of rice husk-derived biochar for defluoridation of drinking water, achieving a maximum fluoride removal of 95.4% through pyrolysis and iron modification. An artificial neural network model was employed to predict optimized conditions for fluoride adsorption, with Langmuir isotherm model showing the best fit. Rice husk derived biochar was found to be a cost-effective alternative for groundwater remediation.
JOURNAL OF ANALYTICAL AND APPLIED PYROLYSIS
(2021)
Article
Metallurgy & Metallurgical Engineering
Joanna Bok-Badura, Agata Jakobik-Kolon
Summary: Hybrid sorbents composed of Prussian blue and pectin were tested for the removal of cesium ions. The results showed that the sorbent had good sorption capacity and could effectively remove cesium ions in different conditions, including a strongly saline environment and real seawater.
Article
Environmental Sciences
Wenjing Zhang, Shengyu Wu, Yunqi Qin, Shuo Li, Liancheng Lei, Simiao Sun, Yuesuo Yang
Summary: This study investigated the transport and retention of viruses in the vadose zone, focusing on the effects of moisture content and ionic strength on virus behavior at different interfaces. Results showed that solid-water interfaces (SWIs) and air-water interfaces (AWIs) play a significant role in virus retention, with moisture content and ionic strength influencing the mechanisms of virus straining and attachment. The findings have important implications for modeling and predicting virus transport in soil under various environmental conditions.
ENVIRONMENTAL POLLUTION
(2021)
Article
Environmental Sciences
Jennifer A. Cooper, Arindam Malakar, Michael Kaiser
Summary: The study investigates the mechanisms underlying nutrient retention in biochar amended soil. It reveals that aging processes in the soil lead to the self-functionalization of biochar surfaces with iron oxides, which explains the increased nitrate retention and decreased leachate phosphate and dissolved organic carbon after biochar surface functionalization. The findings emphasize the importance of identifying optimal soil conditions for this surface functionalization to enhance nutrient retention and resource efficiency in agroecosystems.
SCIENCE OF THE TOTAL ENVIRONMENT
(2023)
Article
Environmental Sciences
Fengying Wu, Xiangyi Gong, Dekang Meng, Hao Li, Dajun Ren, Jiaquan Zhang
Summary: This study evaluated the environmental remediation ability of a mixture of biochar and soil for the removal of bisphenol A (BPA). The results showed that the phosphoric acid hydrothermal activated carbon (HPC) had a high specific surface area and large amounts of unsaturated esters and hydroxyl groups, allowing for effective adsorption of BPA. The study also investigated the effects of various factors on the adsorption process, and found that organic acids had no significant impact on the adsorption of BPA. Through characterization and data analysis, the enhanced adsorption of BPA by the HPC mixed with soil was mainly attributed to π-π interactions, hydrogen bonding, followed by electrostatic attraction and pore filling.
ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH
(2023)
Review
Chemistry, Multidisciplinary
Wojciech Szlasa, Martyna Gachowska, Karolina Kiszka, Katarzyna Rakoczy, Aleksander Kielbik, Kamila Wala, Julia Puchala, Katarzyna Chorazykiewicz, Jolanta Saczko, Julita Kulbacka
Summary: Iron plays a vital role in the metabolism of cancer cells, targeting tumors through the ferroptotic death pathway. In addition to iron, ligands also impact the biological activity of iron complexes. Research indicates that the stability of iron complexes is crucial for their anticancer properties.
Article
Environmental Sciences
Shi Shu, Yunquan Li, Wei Zhu, Silin Wu, Yong Wu, Hao Hou
Summary: The study showed that the desorbed amount per unit of surface area of pollutants on bentonite particles was approximately equal to that in compacted bentonite, indicating consistency in desorption regardless of the sorption location. Results also highlighted significant differences in desorption parameters obtained through batch tests and column tests.
ECOTOXICOLOGY AND ENVIRONMENTAL SAFETY
(2021)
Article
Chemistry, Physical
Hirofumi Sakanakura, Kenichi Ito, Jiajie Tang, Mikako Nakagawa, Hiroyuki Ishimori
Summary: This study developed a method to determine adsorption parameters for potentially contaminant-releasing materials (PCMs) using LS-parallel tests, which showed good agreements for some substances but discrepancies for others. Improvement is needed in the LS-parallel test procedure and advection-dispersion model for accurate prediction of contaminant release behavior.
Article
Environmental Sciences
Cosmin Vancea, Georgiana Mladin, Mihaela Ciopec, Adina Negrea, Narcis Duteanu, Petru Negrea, Giannin Mosoarca, Catalin Ianasi
Summary: This study investigated the removal of arsenic from water using batch adsorption and fixed-bed column techniques. The adsorption process was found to be spontaneous, endothermic, and of a physical nature. High removal efficiency of arsenic was achieved in both batch adsorption and fixed-bed column experiments.
Article
Agronomy
Joao Graca Martins, Clara Martin, Lourdes Hernandez-Apaolaza, Maria Teresa Barros, Helena Maria Vieira Monteiro Soares, Juan Jose Lucena
EMIRATES JOURNAL OF FOOD AND AGRICULTURE
(2018)
Article
Environmental Sciences
Carlos M. H. Ferreira, Catia A. Sousa, Ines Sanchis-Perez, Sandra Lopez-Rayo, Maria Teresa Barros, Helena M. V. M. Soares, Juan J. Lucena
SCIENCE OF THE TOTAL ENVIRONMENT
(2019)
Article
Environmental Sciences
Sandra Lopez-Rayo, Ines Sanchis-Perez, Carlos M. H. Ferreira, Juan J. Lucena
SCIENCE OF THE TOTAL ENVIRONMENT
(2019)
Article
Biochemistry & Molecular Biology
Samira Islas-Valdez, Sandra Lopez-Rayo, Hristiyan Hristov-Emilov, Lourdes Hernandez-Apaolaza, Juan J. Lucena
INTERNATIONAL JOURNAL OF BIOLOGICAL MACROMOLECULES
(2020)
Article
Plant Sciences
Carlos M. H. Ferreira, Sandra Lopez-Rayo, Juan J. Lucena, Eduardo Soares, Helena M. V. M. Soares
FRONTIERS IN PLANT SCIENCE
(2019)
Article
Agriculture, Multidisciplinary
Samira Islas-Valdez, Sandra Lopez-Rayo, Jessica Arcos, Nieves Menendez, Juan J. Lucena
JOURNAL OF THE SCIENCE OF FOOD AND AGRICULTURE
(2020)
Article
Agriculture, Multidisciplinary
Maria T. Cieschi, Juan J. Lucena
Summary: Iron humate participates in the chelate shuttle mechanism, providing available Fe to the chelating agent and then to the plants, showing a slight synergic effect. After a few days, the contribution of the chelates to the Fe nutrition decreases substantially, but the contribution of the humates is maintained. The most efficient ratio was two parts of iron humates and one part of iron chelate. Specifically, HBED/Fe3+ was the most suitable iron chelate because its lasting effect fits the iron humate long-term effect better.
JOURNAL OF THE SCIENCE OF FOOD AND AGRICULTURE
(2021)
Article
Agriculture, Multidisciplinary
Samira Islas-Valdez, Sandra Lopez-Rayo, Juan J. Lucena
Summary: The study showed that G7 is a biodegradable alternative to EDTA for supplying Mn, maintaining nutritional balance compared with G6, and reducing Fe uptake by plants. The efficacy of the Mn complexes depended on both the ligand and the Mn:ligand ratio, with the 1:1 and 1:2 molar ratios of Mn2+:G7 being the most effective complexes in the short term.
JOURNAL OF THE SCIENCE OF FOOD AND AGRICULTURE
(2021)
Article
Agronomy
Sandra Carrasco-Gil, Raul Allende-Montalban, Lourdes Hernandez-Apaolaza, Juan J. Lucena
Summary: The phenolics, laminarin, and fucose compounds present in seaweed extracts at lower concentrations contributed significantly to increasing the tolerance to Fe deficiency in tomato plants.
Article
Agronomy
Maria Teresa Cieschi, Marina de Francisco, Paula Herrero, Jorge Sanchez-Marcos, Jaime Cuevas, Elvira Esteban, Juan Jose Lucena, Felipe Yunta
Summary: In this research, four nano-metal (hydr)oxides were synthesized and characterized, demonstrating their potential as efficient adsorbents for extracting Ag+ and Tl+ while promoting iron and manganese nutrition in plants. These materials show promise as micronutrient fertilizers.
Article
Agriculture, Multidisciplinary
Silvia Valverde, Alejandra Arcas, Sandra Lopez-Rayo, Juan J. Lucena
Summary: A new prototype iron chelate was developed and validated using liquid chromatography, showing that the analytical method is suitable for quantification of the iron chelate. The method was found to be selective, precise, and robust for this purpose.
JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY
(2021)
Article
Plant Sciences
Jose Maria Lozano-Gonzalez, Clara Valverde, Carlos David Hernandez, Alexandra Martin-Esquinas, Lourdes Hernandez-Apaolaza
Summary: This study investigated the effects of silicon application on cucumber plants under different zinc statuses. The results showed that foliar application of silicon during re-fertilization promoted plant growth, reduced the accumulation of reactive oxygen species, and exhibited a memory effect.
Article
Agriculture, Multidisciplinary
Sandra Lopez-Rayo, Silvia Valverde, Juan Joseï Lucena
Summary: This study investigates the capacity of [S,S]-EDDS to solubilize micronutrients from agronomic soils and enhance plant nutrition. The results show that [S,S]-EDDS has a high capacity to solubilize iron and other micronutrients, with the best results observed in sandy-clay soils with low iron content, typical of Mediterranean areas. The study supports the direct application of the ligand to soils and the possible use of ligand-producing bacteria in biotechnology applications.
JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY
(2023)
Article
Agriculture, Multidisciplinary
Silvia Valverde, Alejandra Arcas, Sandra Lopez-Rayo, Juan Jose Lucena
Summary: This study developed a new analytical method using high-performance liquid chromatography coupled with a diode array detector for the enantioseparation and determination of a novel iron chelate prototype. By optimizing different variables, efficient separation was achieved. The proposed method showed high selectivity and precision in the analysis of the chelate in soil samples as well as mixtures with other commercial chelates.
ACS AGRICULTURAL SCIENCE & TECHNOLOGY
(2022)
Article
Agriculture, Multidisciplinary
Silvia Valverde, Alejandra Arcas, Sandra Lopez-Rayo, Juan Jose Lucena
Summary: In this study, a new analytical method using high-performance liquid chromatography was developed for the enantioseparation and determination of a new iron chelate prototype. The proposed method was found to be selective, precise, and free from interferents.
ACS AGRICULTURAL SCIENCE & TECHNOLOGY
(2022)