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Marcharla E, Vinayagam S, Gnanasekaran L, Soto-Moscoso M, Chen WH, Thanigaivel S, Ganesan S. Microplastics in marine ecosystems: A comprehensive review of biological and ecological implications and its mitigation approach using nanotechnology for the sustainable environment. ENVIRONMENTAL RESEARCH 2024; 256:119181. [PMID: 38768884 DOI: 10.1016/j.envres.2024.119181] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/21/2024] [Revised: 05/01/2024] [Accepted: 05/18/2024] [Indexed: 05/22/2024]
Abstract
Microplastic contamination has rapidly become a serious environmental issue, threatening marine ecosystems and human health. This review aims to not only understand the distribution, impacts, and transfer mechanisms of microplastic contamination but also to explore potential solutions for mitigating its widespread impact. This review encompasses the categorisation, origins, and worldwide prevalence of microplastics and methodically navigates the complicated structure of microplastics. Understanding the sources of minute plastic particles infiltrating water bodies worldwide is critical for successful removal. The presence and accumulation of microplastics has far reaching negative impacts on various marine creatures, eventually extending its implications to human health. Microplastics are known to affect the metabolic activities and the survival of microbial communities, phytoplankton, zooplankton, and fauna present in marine environments. Moreover, these microplastics cause developmental abnormalities, endocrine disruption, and several metabolic disorders in humans. These microplastics accumulates in aquatic environments through trophic transfer mechanisms and biomagnification, thereby disrupting the delicate balance of these ecosystems. The review also addresses the tactics for minimising the widespread impact of microplastics by suggesting practical alternatives. These include increasing public awareness, fostering international cooperation, developing novel cleanup solutions, and encouraging the use of environment-friendly materials. In conclusion, this review examines the sources and prevalence of microplastic contamination in marine environment, its impacts on living organisms and ecosystems. It also proposes various sustainable strategies to mitigate the problem of microplastics pollution. Also, the current challenges associated with the mitigation of these pollutants have been discussed and addressing these challenges require immediate and collective action for restoring the balance in marine ecosystems.
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Affiliation(s)
- Eswar Marcharla
- Department of Biotechnology, Faculty of Science & Humanities, SRM Institute of Science and Technology, Kattankulathur, Chengalpattu District, Tamil Nadu 603203, India
| | - Saranya Vinayagam
- Department of Biosciences, Saveetha School of Engineering, Saveetha Institute of Medical and Technical Sciences (SIMATS), Chennai, Tamil Nadu, 602 105, India
| | - Lalitha Gnanasekaran
- Instituto de Alta Investigación, Universidad de Tarapacá, Arica, 1000000, Chile.
| | | | - Wei-Hsin Chen
- Department of Aeronautics and Astronautics, National Cheng Kung University, Tainan 701, Taiwan; Research Center for Smart Sustainable Circular Economy, Tunghai University, Taichung 407, Taiwan; Department of Mechanical Engineering, National Chin-Yi University of Technology, Taichung 411, Taiwan
| | - Sundaram Thanigaivel
- Department of Biotechnology, Faculty of Science & Humanities, SRM Institute of Science and Technology, Kattankulathur, Chengalpattu District, Tamil Nadu 603203, India.
| | - Swamynathan Ganesan
- Department of Biotechnology, Faculty of Science & Humanities, SRM Institute of Science and Technology, Kattankulathur, Chengalpattu District, Tamil Nadu 603203, India.
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Resitano M, Tucci M, Mezzi A, Kaciulis S, Matturro B, D'Ugo E, Bertuccini L, Fazi S, Rossetti S, Aulenta F, Cruz Viggi C. Anaerobic treatment of groundwater co-contaminated by toluene and copper in a single chamber bioelectrochemical system. Bioelectrochemistry 2024; 158:108711. [PMID: 38626620 DOI: 10.1016/j.bioelechem.2024.108711] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/20/2023] [Revised: 04/10/2024] [Accepted: 04/12/2024] [Indexed: 04/18/2024]
Abstract
Addressing the simultaneous removal of multiple coexisting groundwater contaminants poses a significant challenge, primarily because of their different physicochemical properties. Indeed, different chemical compounds may necessitate establishing distinct, and sometimes conflicting, (bio)degradation and/or removal pathways. In this work, we investigated the concomitant anaerobic treatment of toluene and copper in a single-chamber bioelectrochemical cell with a potential difference of 1 V applied between the anode and the cathode. As a result, the electric current generated by the bioelectrocatalytic oxidation of toluene at the anode caused the abiotic reduction and precipitation of copper at the cathode, until the complete removal of both contaminants was achieved. Open circuit potential (OCP) experiments confirmed that the removal of copper and toluene was primarily associated with polarization. Analogously, abiotic experiments, at an applied potential of 1 V, confirmed that neither toluene was oxidized nor copper was reduced in the absence of microbial activity. At the end of each experiment, both electrodes were characterized by means of a comprehensive suite of chemical and microbiological analyses, evidencing a highly selected microbial community competent in the biodegradation of toluene in the anodic biofilm, and a uniform electrodeposition of spherical Cu2O nanoparticles over the cathode surface.
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Affiliation(s)
- Marco Resitano
- Water Research Institute (IRSA), National Research Council (CNR), 00010 Montelibretti, (RM), Italy
| | - Matteo Tucci
- Water Research Institute (IRSA), National Research Council (CNR), 00010 Montelibretti, (RM), Italy
| | - Alessio Mezzi
- Institute for the Study of Nanostructured Materials, National Research Council (CNR), 00010 Montelibretti, (RM), Italy
| | - Saulius Kaciulis
- Institute for the Study of Nanostructured Materials, National Research Council (CNR), 00010 Montelibretti, (RM), Italy
| | - Bruna Matturro
- Water Research Institute (IRSA), National Research Council (CNR), 00010 Montelibretti, (RM), Italy; National Biodiversity Future Center, Palermo 90133, Italy
| | - Emilio D'Ugo
- Department of Infectious Diseases, Istituto Superiore di Sanità, Rome, Italy
| | | | - Stefano Fazi
- Water Research Institute (IRSA), National Research Council (CNR), 00010 Montelibretti, (RM), Italy
| | - Simona Rossetti
- Water Research Institute (IRSA), National Research Council (CNR), 00010 Montelibretti, (RM), Italy
| | - Federico Aulenta
- Water Research Institute (IRSA), National Research Council (CNR), 00010 Montelibretti, (RM), Italy; National Biodiversity Future Center, Palermo 90133, Italy
| | - Carolina Cruz Viggi
- Water Research Institute (IRSA), National Research Council (CNR), 00010 Montelibretti, (RM), Italy.
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Konstantinou C, Farooq H, Biscontin G, Papanastasiou P. Effects of fluid composition in fluid injection experiments in porous media. JOURNAL OF CONTAMINANT HYDROLOGY 2024; 265:104383. [PMID: 38870683 DOI: 10.1016/j.jconhyd.2024.104383] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/05/2024] [Revised: 05/21/2024] [Accepted: 06/06/2024] [Indexed: 06/15/2024]
Abstract
Experiments on fluid flow in porous media, using fluids loaded with solids of various grain sizes, have been conducted in a modified Hele-Shaw setup. This setup utilised weakly cemented porous media with specific hydraulic and mechanical properties. Fluid injection in coarse granular media with clean or low-concentration fine particles, results in infiltration only, with pressure close to the material tensile strength, while injection in finer granular material causes damage alongside infiltration, with the fluid pressure still close to the material tensile strength. When larger particle sizes or higher particle concentrations are used in the mixture, the fluid travels further within the porous medium, primarily influenced by the grain size of the granular medium. In the latter case, the Darcy flow equation with an effective permeability term can be employed to determine the pressure differential. For the largest particle sizes included in the fluid, the equation is still applicable, but the effective permeability requires adjustment for particle size within the fluid rather than the granular medium. This is crucial when the injection point is locally clogged. The experiments show that fracturing conditions are controlled by different mechanisms. Dimensional and statistical analysis was used to classify the injection pressures to regimes predicted by fracturing theory or by Darcy law with modified effective permeabilities. The findings show that both the material properties and fluid composition are important designing parameters.
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Affiliation(s)
- Charalampos Konstantinou
- Department of Civil and Environmental Engineering, University of Cyprus, Cyprus; Department of Engineering, University of Cambridge, UK.
| | - Hassan Farooq
- Department of Engineering, University of Cambridge, UK
| | | | - Panos Papanastasiou
- Department of Civil and Environmental Engineering, University of Cyprus, Cyprus
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Miyah Y, El Messaoudi N, Benjelloun M, Acikbas Y, Şenol ZM, Ciğeroğlu Z, Lopez-Maldonado EA. Advanced applications of hydroxyapatite nanocomposite materials for heavy metals and organic pollutants removal by adsorption and photocatalytic degradation: A review. CHEMOSPHERE 2024; 358:142236. [PMID: 38705409 DOI: 10.1016/j.chemosphere.2024.142236] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/24/2024] [Revised: 04/27/2024] [Accepted: 05/02/2024] [Indexed: 05/07/2024]
Abstract
This comprehensive review delves into the forefront of scientific exploration, focusing on hydroxyapatite-based nanocomposites (HANCs) and their transformative role in the adsorption of heavy metals (HMs) and organic pollutants (OPs). Nanoscale properties, including high surface area and porous structure, contribute to the enhanced adsorption capabilities of HANCs. The nanocomposites' reactive sites facilitate efficient contaminant interactions, resulting in improved kinetics and capacities. HANCs exhibit selective adsorption properties, showcasing the ability to discriminate between different contaminants. The eco-friendly synthesis methods and potential for recyclability position the HANCs as environmentally friendly solutions for adsorption processes. The review acknowledges the dynamic nature of the field, which is characterized by continuous innovation and a robust focus on ongoing research endeavors. The paper highlights the HANCs' selective adsorption capabilities of various HMs and OPs through various interactions, including hydrogen and electrostatic bonding. These materials are also used for aquatic pollutants' photocatalytic degradation, where reactive hydroxyl radicals are generated to oxidize organic pollutants quickly. Future perspectives explore novel compositions, fabrication methods, and applications, driving the evolution of HANCs for improved adsorption performance. This review provides a comprehensive synthesis of the state-of-the-art HANCs, offering insights into their diverse applications, sustainability aspects, and pivotal role in advancing adsorption technologies for HMs and OPs.
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Affiliation(s)
- Youssef Miyah
- Laboratory of Materials, Processes, Catalysis, and Environment, Higher School of Technology, University Sidi Mohamed Ben Abdellah, Fez-Morocco, Morocco; Ministry of Health and Social Protection, Higher Institute of Nursing Professions and Health Techniques, Fez-Morocco, Morocco.
| | - Noureddine El Messaoudi
- Laboratory of Applied Chemistry and Environment, Faculty of Sciences, Ibn Zohr University, 80000, Agadir, Morocco.
| | - Mohammed Benjelloun
- Laboratory of Materials, Processes, Catalysis, and Environment, Higher School of Technology, University Sidi Mohamed Ben Abdellah, Fez-Morocco, Morocco
| | - Yaser Acikbas
- Department of Materials Science and Nanotechnology Engineering, Usak University, 64200, Usak, Turkey
| | - Zeynep Mine Şenol
- Sivas Cumhuriyet University, Faculty of Health Sciences, Department of Nutrition and Diet, 58140, Sivas, Turkey
| | - Zeynep Ciğeroğlu
- Department of Chemical Engineering, Faculty of Engineering, Usak University, 64300, Usak, Turkey
| | - Eduardo Alberto Lopez-Maldonado
- Faculty of Chemical Sciences and Engineering, Autonomous University of Baja, California, CP: 22390, Tijuana, Baja California, Mexico
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Devendrapandi G, Liu X, Balu R, Ayyamperumal R, Valan Arasu M, Lavanya M, Minnam Reddy VR, Kim WK, Karthika PC. Innovative remediation strategies for persistent organic pollutants in soil and water: A comprehensive review. ENVIRONMENTAL RESEARCH 2024; 249:118404. [PMID: 38341071 DOI: 10.1016/j.envres.2024.118404] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/14/2023] [Revised: 01/17/2024] [Accepted: 02/01/2024] [Indexed: 02/12/2024]
Abstract
Persistent organic pollutants (POPs) provide a serious threat to human health and the environment in soil and water ecosystems. This thorough analysis explores creative remediation techniques meant to address POP pollution. Persistent organic pollutants are harmful substances that may withstand natural degradation processes and remain in the environment for long periods of time. Examples of these pollutants include dioxins, insecticides, and polychlorinated biphenyls (PCBs). Because of their extensive existence, cutting-edge and environmentally friendly eradication strategies must be investigated. The most recent advancements in POP clean-up technology for soil and water are evaluated critically in this article. It encompasses a wide range of techniques, such as nanotechnology, phytoremediation, enhanced oxidation processes, and bioremediation. The effectiveness, cost-effectiveness, and environmental sustainability of each method are assessed. Case studies from different parts of the world show the difficulties and effective uses of these novel techniques. The study also addresses new developments in POP regulation and monitoring, highlighting the need of all-encompassing approaches that include risk assessment and management. In order to combat POP pollution, the integration of diverse remediation strategies, hybrid approaches, and the function of natural attenuation are also examined. Researchers, legislators, and environmental professionals tackling the urgent problem of persistent organic pollutants (POPs) in soil and water should benefit greatly from this study, which offers a complete overview of the many approaches available for remediating POPs in soil and water.
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Affiliation(s)
- Gautham Devendrapandi
- Department of Computational Biology, Institute of Bioinformatics, Saveetha School of Engineering, Saveetha Institute of Medical and Technical Sciences, Thandalam, Chennai 602105, Tamil Nadu, India.
| | - Xinghui Liu
- Key Laboratory of Western China's Environmental System, College of Science and Technology on Aerospace Chemical Power Laboratory, Hubei Institute of Aerospace Chemotechnology, Xiangyang, 441003, Hubei, China.
| | - Ranjith Balu
- Research and Development Cell, Lovely Professional University, Phagwara, 144411, India.
| | | | - Mariadhas Valan Arasu
- Department of Botany and Microbiology, College of Science, King Saud University, P.O. Box 2455, Riyadh, 11451, Saudi Arabia
| | - Mahimaluru Lavanya
- Institute of Research and Development, Duy Tan University, Da Nang, 550000, Viet Nam; Faculty of Environmental and Chemical Engineering, Duy Tan University, Da Nang, 550000, Viet Nam.
| | | | - Woo Kyoung Kim
- School of Chemical Engineering, Yeungnam University, Gyeongsan, 38541, Republic of Korea
| | - P C Karthika
- Department of Physics and Nanotechnology, SRM Institute of Science and Technology, Kattankulathur, Chennai, 603203, Tamil Nadu, India.
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Maumela P, Magida S, Serepa-Dlamini MH. Bioremediation of Pb contaminated water using a novel Bacillus sp. strain MHSD_36 isolated from Solanum nigrum. PLoS One 2024; 19:e0302460. [PMID: 38683768 PMCID: PMC11057764 DOI: 10.1371/journal.pone.0302460] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/26/2023] [Accepted: 04/03/2024] [Indexed: 05/02/2024] Open
Abstract
The Pb bioremediation mechanism of a multi-metal resistant endophytic bacteria Bacillus sp. strain MHSD_36, isolated from Solanum nigrum, was characterised. The strain tested positive for the presence of plant growth promoters such as indoleacetic acid, 1-aminocyclopropane-1-carboxylate deaminase, siderophores, and phosphate solubilization. The experimental data illustrated that exopolysaccharides and cell hydrophobicity played a role in Pb uptake. The data further showed that the cell wall biosorbed a significant amount (71%) of the total Pb (equivalent to 4 mg/L) removed from contaminated water, compared to the cell membrane (11%). As much as 11% of the Pb was recovered from the cytoplasmic fraction, demonstrating the ability of the strain to control the influx of toxic heavy metals into the cell and minimize their negative impacts. Pb biosorption was significantly influenced by the pH and the initial concentration of the toxic ions. Furthermore, the presence of siderophores and biosurfactants, when the strain was growing under Pb stress, was detected through liquid chromatography mass spectrometry. The strain demonstrated a multi-component based Pb biosorption mechanism and thus, has a great potential for application in heavy metal bioremediation.
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Affiliation(s)
- Pfariso Maumela
- Faculty of Science, Department of Biotechnology and Food Technology, University of Johannesburg, Doornfontein Campus, Doornfontein, Johannesburg, South Africa
| | - Sinomncedi Magida
- Faculty of Science, Department of Biotechnology and Food Technology, University of Johannesburg, Doornfontein Campus, Doornfontein, Johannesburg, South Africa
| | - Mahloro Hope Serepa-Dlamini
- Faculty of Science, Department of Biotechnology and Food Technology, University of Johannesburg, Doornfontein Campus, Doornfontein, Johannesburg, South Africa
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Khan A, Khan MS, Shafique MA, Khan Q, Saddiq G. Assessment of potentially toxic and mineral elements in paddy soils and their uptake by rice ( Oryza sativa L.) with associated health hazards in district Malakand, Pakistan. Heliyon 2024; 10:e28043. [PMID: 38586322 PMCID: PMC10998073 DOI: 10.1016/j.heliyon.2024.e28043] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/17/2023] [Revised: 03/03/2024] [Accepted: 03/11/2024] [Indexed: 04/09/2024] Open
Abstract
Rice, a primary food source in many countries of the world accumulate potentially harmful elements which pose a significant health hazard to consumers. The current study aimed to evaluate potentially toxic and mineral elements in both paddy soils and rice grains associated with allied health risks in Malakand, Pakistan. Rice plants with intact root soil were randomly collected from paddy fields and analyzed for mineral and potentially toxic elements (PTEs) through inductively coupled plasma optical emission spectrometry (ICP‒OES). Through deterministic and probabilistic risk assessment models, the daily intake of PTEs with allied health risks from consumption of rice were estimated for children and adults. The results of soil pH (< 8.5) and electrical conductivity (EC > 400 μs/cm), indicated slightly saline nature. The mean phosphorus concentration of 291.50 (mg/kg) in soil samples exceeded FAO/WHO permissible limits. The normalized variation matrix of soil pH with respect to Ni (0.05), Ca (0.05), EC (0.08), and Mg (0.09), indicated significant influence of pH on PTEs mobility. In rice grains, the mean concentrations (mg/kg) of Mg (463.81), Al (70.40), As (1.23), Cr (12.53), Cu (36.07), Fe (144.32), Mn (13.89), and Ni (1.60) exceeded FAO/WHO safety limits. The transfer factor >1 for K, Cu, P and Zn indicated bioavailability and transfer of these elements from soil to rice grains. Monte Carlo simulations of hazard index >1 for Cr, Zn, As, and Cu with certainties of 89.93% and 90.17%, indicated significant noncarcinogenic risks for children and adults from rice consumption. The total carcinogenic risk (TCR) for adults and children exceeded the USEPA acceptable limits of 1×10-6 to 1×10-4, respectively. The sensitivity analysis showed that the ingestion rate was a key risk factor. Arsenic (As) primarily influenced total cancer risk (TCR) in children, while chromium (Cr) significantly impacted adults. Deterministic cancer risk values slightly exceeded probabilistic values due to inherent uncertainties in deterministic analysis. Rice consumption poses health risks, mainly from exposure to Cr, Ni and As in the investigated area.
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Affiliation(s)
- Asghar Khan
- Department of Botany, Islamia College Peshawar, Pakistan
| | | | | | - Qaisar Khan
- Department of Chemistry, University of Malakand, Pakistan
| | - Ghulam Saddiq
- Department of Physics, Islamia College Peshawar, Pakistan
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Li W, Zhang W, Dong J, Liang X, Sun C. Groundwater chlorinated solvent plumes remediation from the past to the future: a scientometric and visualization analysis. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2024; 31:17033-17051. [PMID: 38334923 DOI: 10.1007/s11356-024-32080-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/15/2023] [Accepted: 01/15/2024] [Indexed: 02/10/2024]
Abstract
Contamination of groundwater with chlorinated hydrocarbons has serious adverse effects on human health. As research efforts in this area have expanded, a large body of literature has accumulated. However, traditional review writing suffers from limitations regarding efficiency, quantity, and timeliness, making it difficult to achieve a comprehensive and up-to-date understanding of developments in the field. There is a critical need for new tools to address emerging research challenges. This study evaluated 1619 publications related to this field using VOSviewer and CiteSpace visual tools. An extensive quantitative analysis and global overview of current research hotspots, as well as potential future research directions, were performed by reviewing publications from 2000 to 2022. Over the last 22 years, the USA has produced the most articles, making it the central country in the international collaboration network, with active cooperation with the other 7 most productive countries. Additionally, institutions have played a positive role in promoting the publication of science and technology research. In analyzing the distribution of institutions, it was found that the University of Waterloo conducted the majority of research in this field. This paper also identified the most productive journals, Environmental Science & Technology and Applied and Environmental Microbiology, which published 11,988 and 3253 scientific articles over the past 22 years, respectively. The main technologies are bioremediation and chemical reduction, which have garnered growing attention in academic publishing. Our findings offer a useful resource and a worldwide perspective for scientists engaged in this field, highlighting both the challenges and the possibilities associated with addressing groundwater chlorinated solvent plumes remediation.
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Affiliation(s)
- Wenyan Li
- Jilin University Key Laboratory of Groundwater Resources and Environment of the Ministry of Education, Changchun, 130021, People's Republic of China
- Jilin University National and Local Joint Engineering Laboratory for Petrochemical Contaminated Site Control and Remediation Technology, Changchun, 130021, People's Republic of China
| | - Weihong Zhang
- Jilin University Key Laboratory of Groundwater Resources and Environment of the Ministry of Education, Changchun, 130021, People's Republic of China.
- Jilin University National and Local Joint Engineering Laboratory for Petrochemical Contaminated Site Control and Remediation Technology, Changchun, 130021, People's Republic of China.
| | - Jun Dong
- Jilin University Key Laboratory of Groundwater Resources and Environment of the Ministry of Education, Changchun, 130021, People's Republic of China
- Jilin University National and Local Joint Engineering Laboratory for Petrochemical Contaminated Site Control and Remediation Technology, Changchun, 130021, People's Republic of China
| | - Xue Liang
- Jilin University Key Laboratory of Groundwater Resources and Environment of the Ministry of Education, Changchun, 130021, People's Republic of China
- Jilin University National and Local Joint Engineering Laboratory for Petrochemical Contaminated Site Control and Remediation Technology, Changchun, 130021, People's Republic of China
| | - Chen Sun
- Jilin University Key Laboratory of Groundwater Resources and Environment of the Ministry of Education, Changchun, 130021, People's Republic of China
- Jilin University National and Local Joint Engineering Laboratory for Petrochemical Contaminated Site Control and Remediation Technology, Changchun, 130021, People's Republic of China
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Gao R, Zhu J, Xi B, Wang Y, Bai S, Wang Y. Effect of pumping-induced soil settlement on the migration and transformation of aniline. CHEMOSPHERE 2024; 352:141361. [PMID: 38316279 DOI: 10.1016/j.chemosphere.2024.141361] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/02/2023] [Revised: 01/13/2024] [Accepted: 01/31/2024] [Indexed: 02/07/2024]
Abstract
This study selected a contamination site associated with pesticide production to investigate the impact of soil settlement induced by pumping on the migration and transformation of the principal pollutant, aniline. The TMVOC model was enhanced by incorporating the settlement effect and validated through a soil-column experiment, which examined aniline distribution, phase transformation, and remediation efficiency under soil settlement. The results indicate that the optimized TMVOC model can accurately simulate the impact of pumping-induced soil settlement on aniline removal. The longitudinal migration of aniline was reduced, with the area of high concentrations drawing nearer to the surface. Furthermore, soil settlement negatively affected the removal of aniline in the Non-Aqueous Phase Liquid (NAPL) phase, resulting in a 10.59 % decline in the removal rate. In contrast, soil settlement positively influenced aniline removal in the gas and aqueous phases, increasing the removal rate by 12.55 % and 5.04 %, respectively, with the gas phase showing the most significant increase. Soil porosity decreased due to soil settlement, leading to a change in the proportion of each phase, with NAPL increasing after remediation. Additionally, soil settlement exhibited hysteresis, as evidenced by a noticeable decrease in the removal rate in the 10th month of the remediation process, and the final mass removal rate was reduced by 5.93 %.
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Affiliation(s)
- Rui Gao
- Research Center of Environmental Pollution Control Technology, Chinese Research Academy of Environmental Sciences, Beijing, 100012, China; State Key Laboratory of Environmental Criteria and Risk Assessment, Chinese Research Academy of Environmental Sciences, Beijing, 100012, China; Institute of Urban and Rural Construction, Hebei Agricultural University, Baoding, 071001, China
| | - Jianchao Zhu
- Research Center of Environmental Pollution Control Technology, Chinese Research Academy of Environmental Sciences, Beijing, 100012, China; State Key Laboratory of Environmental Criteria and Risk Assessment, Chinese Research Academy of Environmental Sciences, Beijing, 100012, China
| | - Beidou Xi
- State Key Laboratory of Environmental Criteria and Risk Assessment, Chinese Research Academy of Environmental Sciences, Beijing, 100012, China
| | - Ying Wang
- Research Center of Environmental Pollution Control Technology, Chinese Research Academy of Environmental Sciences, Beijing, 100012, China; State Key Laboratory of Environmental Criteria and Risk Assessment, Chinese Research Academy of Environmental Sciences, Beijing, 100012, China
| | - Shunguo Bai
- Institute of Urban and Rural Construction, Hebei Agricultural University, Baoding, 071001, China.
| | - Yue Wang
- Research Center of Environmental Pollution Control Technology, Chinese Research Academy of Environmental Sciences, Beijing, 100012, China; State Key Laboratory of Environmental Criteria and Risk Assessment, Chinese Research Academy of Environmental Sciences, Beijing, 100012, China.
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Ren Y, Cui M, Zhou Y, Sun S, Guo F, Ma J, Han Z, Park J, Son Y, Khim J. Utilizing machine learning for reactive material selection and width design in permeable reactive barrier (PRB). WATER RESEARCH 2024; 251:121097. [PMID: 38218071 DOI: 10.1016/j.watres.2023.121097] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/01/2023] [Revised: 12/19/2023] [Accepted: 12/30/2023] [Indexed: 01/15/2024]
Abstract
Permeable reactive barrier (PRB) is an important groundwater treatment technology. However, selecting the optimal reactive material and estimating the width remain critical and challenging problems in PRB design. Machine learning (ML) has advantages in predicting evolution and tracing contaminants in temporal and spatial distribution. In this study, ML was developed to design PRB, and its feasibility was validated through experiments and a case study. ML algorithm showed a good prediction about the Freundlich equilibrium parameter (R2 0.94 for KF, R2 0.96 for n). After SHapley Additive exPlanation (SHAP) analysis, redefining the range of the significant impact factors (initial concentration and pH) can further improve the prediction accuracy (R2 0.99 for KF, R2 0.99 for n). To mitigate model bias and ensure comprehensiveness, evaluation index with expert opinions was used to determine the optimal material from candidate materials. Meanwhile, the ML algorithm was also applied to predict the width of the mass transport zone in the adsorption column. This procedure showed excellent accuracy with R2 and root-mean-square-error (RMSE) of 0.98 and 1.2, respectively. Compared with the traditional width design methodology, ML can enhance design efficiency and save experiment time. The novel approach is based on traditional design principles, and the limitations and challenges are highlighted. After further expanding the data set and optimizing the algorithm, the accuracy of ML can make up for the existing limitations and obtain wider applications.
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Affiliation(s)
- Yangmin Ren
- School of Civil, Environmental, and Architectural Engineering, Korea University, 145 Anam-ro, Seongbuk-gu, Seoul 02841, Republic of Korea
| | - Mingcan Cui
- School of Civil, Environmental, and Architectural Engineering, Korea University, 145 Anam-ro, Seongbuk-gu, Seoul 02841, Republic of Korea.
| | - Yongyue Zhou
- School of Civil, Environmental, and Architectural Engineering, Korea University, 145 Anam-ro, Seongbuk-gu, Seoul 02841, Republic of Korea
| | - Shiyu Sun
- School of Civil, Environmental, and Architectural Engineering, Korea University, 145 Anam-ro, Seongbuk-gu, Seoul 02841, Republic of Korea
| | - Fengshi Guo
- School of Civil, Environmental, and Architectural Engineering, Korea University, 145 Anam-ro, Seongbuk-gu, Seoul 02841, Republic of Korea
| | - Junjun Ma
- Nanjing Green-water Environment Engineering Limited by Share Ltd, C Building No. 606 Ningliu Road, Chemical Industrial Park, Nanjing, China
| | - Zhengchang Han
- Nanjing Green-water Environment Engineering Limited by Share Ltd, C Building No. 606 Ningliu Road, Chemical Industrial Park, Nanjing, China
| | - Jooyoung Park
- Emtomega Co.,Ltd, Seochojungang-ro 8-gil, Seocho-gu, Seoul 06642, Republic of Korea
| | - Younggyu Son
- Department of Environmental Engineering, Kumoh National Institute of Technology, Gumi 39177, Republic of Korea
| | - Jeehyeong Khim
- School of Civil, Environmental, and Architectural Engineering, Korea University, 145 Anam-ro, Seongbuk-gu, Seoul 02841, Republic of Korea.
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11
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Han Y, Chao M, Luo C, Yan L. Self-assembled B-doped flower-like graphitic carbon nitride with high specific surface area for enhanced photocatalytic performance. J Colloid Interface Sci 2024; 657:309-319. [PMID: 38043232 DOI: 10.1016/j.jcis.2023.11.114] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/08/2023] [Revised: 11/14/2023] [Accepted: 11/18/2023] [Indexed: 12/05/2023]
Abstract
Graphitic carbon nitride (g-C3N4) is a promising nonmetallic photocatalyst. In this manuscript, B-doped 3D flower-like g-C3N4 mesoporous nanospheres (BMNS) were successfully prepared by self-assembly method. The doping of B element promotes the internal growth of hollow flower-like g-C3N4 without changing the surface roughness structure, resulting in a porous floc structure, which enhances the light absorption and light reflection ability, thereby improving the light utilization rate. In addition, B element provides lower band gap, which stimulates the carrier movement and increases the activity of photogenerated carriers. The photocatalytic mechanism and process of BMNS were investigated in depth by structural characterization and performance testing. BMNS-10 % shows good degradation for four different pollutants, among which the degradation effect on Rhodamine B (RhB) reaches 97 % in 30 min. The apparent rate constant of RhB degradation by BMNS-10 % is 0.125 min-1, which is 46 times faster compared to bulk g-C3N4 (BCN). And the photocatalyst also exhibits excellent H2O2 production rate under visible light. Under λ > 420 nm, the H2O2 yield of BMNS-10 % (779.9 μM) in 1 h is 15.9 times higher than that of BCN (48.98 μM). Finally, the photocatalytic mechanism is proposed from the results of free radical trapping experiments.
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Affiliation(s)
- Yi Han
- Polymer Materials & Engineering Department, School of Materials Science & Engineering, Chang'an University, Xian 710064, China
| | - Min Chao
- Polymer Materials & Engineering Department, School of Materials Science & Engineering, Chang'an University, Xian 710064, China.
| | - Chunjia Luo
- Polymer Materials & Engineering Department, School of Materials Science & Engineering, Chang'an University, Xian 710064, China
| | - Luke Yan
- Polymer Materials & Engineering Department, School of Materials Science & Engineering, Chang'an University, Xian 710064, China.
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12
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Dao PU, Heuzard AG, Le TXH, Zhao J, Yin R, Shang C, Fan C. The impacts of climate change on groundwater quality: A review. THE SCIENCE OF THE TOTAL ENVIRONMENT 2024; 912:169241. [PMID: 38072271 DOI: 10.1016/j.scitotenv.2023.169241] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/23/2023] [Revised: 11/02/2023] [Accepted: 12/07/2023] [Indexed: 12/17/2023]
Abstract
Groundwater has been known as the second largest freshwater storage in the world, following surface water. Over the years, groundwater has already been under overwhelming pressure to satisfy human needs for artificial activities around the world. Meanwhile, the most noticeable footprint of human activities is the impact of climate change. Climate change has the potential to change the physical and chemical properties of groundwater, thereby affecting its ecological functions. This study summarizes existing research affiliated with the possible effects of a changing climate on the quality of groundwater, including changes in water availability, increased salinity and pollution from extreme weather events, and the potentiality of seawater intrusion into coastal aquifers. Previous works dealing with groundwater-induced responses to the climate system and climate impacts on groundwater quality through natural and anthropogenic processes have been reviewed. The climate-induced changes in groundwater quality including pH, dissolved oxygen level, salinity, and concentrations of organic and inorganic compounds were assessed. Some future research directions are proposed, including exploring the potential changes in the occurrences and fate of micropollutants in groundwater, examining the relationship between the increase of microcystin in groundwater and climate change, studying the changes in the stability of metals and metal complexation, and completing studies across different regional climate regions.
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Affiliation(s)
- Phuong Uyen Dao
- Department of Civil and Environmental Engineering, The Hong Kong University of Science and Technology, Clear Water Bay, Kowloon, Hong Kong
| | - Arnaud Guillaume Heuzard
- Department of Civil and Environmental Engineering, The Hong Kong University of Science and Technology, Clear Water Bay, Kowloon, Hong Kong
| | - Thi Xuan Hoa Le
- Department of Civil and Environmental Engineering, The Hong Kong University of Science and Technology, Clear Water Bay, Kowloon, Hong Kong
| | - Jing Zhao
- Department of Civil and Environmental Engineering, The Hong Kong University of Science and Technology, Clear Water Bay, Kowloon, Hong Kong.
| | - Ran Yin
- Department of Civil and Environmental Engineering, The Hong Kong University of Science and Technology, Clear Water Bay, Kowloon, Hong Kong
| | - Chii Shang
- Department of Civil and Environmental Engineering, The Hong Kong University of Science and Technology, Clear Water Bay, Kowloon, Hong Kong; Hong Kong Branch of Chinese National Engineering Research Center for Control & Treatment of Heavy Metal Pollution, The Hong Kong University of Science and Technology, Clear Water Bay, Kowloon, Hong Kong
| | - Chihhao Fan
- Department of Bioenvironmental Systems Engineering, National Taiwan University, Taipei, Taiwan.
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13
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Sun R, Babalol S, Ni R, Dolatabad AA, Cao J, Xiao F. Efficient and fast remediation of soil contaminated by per- and polyfluoroalkyl substances (PFAS) by high-frequency heating. JOURNAL OF HAZARDOUS MATERIALS 2024; 463:132660. [PMID: 37898088 DOI: 10.1016/j.jhazmat.2023.132660] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/02/2023] [Revised: 08/17/2023] [Accepted: 09/26/2023] [Indexed: 10/30/2023]
Abstract
This study presents a novel thermal technology (high-frequency heating, HFH) for the decontamination of soil containing per- and polyfluoroalkyl substances (PFAS) and aqueous film-forming foams (AFFFs). Ultra-fast degradation of short-chain PFAS, long-chain homologs, precursors, legacy PFAS, emerging PFAS was achieved in a matter of minutes. The concentrations of PFAS and the soil type had a negligible impact on degradation efficiency, possibly due to the ultra-fast degradation rate overwhelming potential differences. Under the current HFH experiment setup, we achieved near-complete degradation (e.g., >99.9%) after 1 min for perfluoroalkyl carboxylic acids and perfluoroalkyl ether carboxylic acids and 2 min for perfluoroalkanesulfonic acids. Polyfluoroalkyl precursors in AFFFs were found to degrade completely within 1 min of HFH; no residual cationic, zwitterionic, anionic, or non-ionic intermediate products were detected following the treatment. The gaseous byproducts were considered. Most of gaseous organofluorine products of PFAS at low-and-moderate temperatures disappeared when temperatures reached 890 °C, which is in the temperature zone of HFH. For the first time, we demonstrated minimal loss of PFAS in water during the boiling process, indicating a low risk of PFAS entering the atmosphere with the water vapor. The findings highlight HFH its potential as a promising remediation tool for PFAS-contaminated soils.
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Affiliation(s)
- Runze Sun
- Department of Civil and Environmental Engineering, The University of Missouri, Columbia, MO 65211, USA
| | - Samuel Babalol
- Department of Civil and Environmental Engineering, The University of Missouri, Columbia, MO 65211, USA
| | - Ruichong Ni
- Department of Petroleum Engineering, University of North Dakota, 243 Centennial Drive Stop 8155, Grand Forks, ND 58202, USA
| | - Alireza Arhami Dolatabad
- Department of Civil and Environmental Engineering, The University of Missouri, Columbia, MO 65211, USA
| | - Jiefei Cao
- Department of Civil and Environmental Engineering, The University of Missouri, Columbia, MO 65211, USA
| | - Feng Xiao
- Department of Civil and Environmental Engineering, The University of Missouri, Columbia, MO 65211, USA.
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14
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Zhang H, Li Y, Li R, Wu W, Abdelrahman H, Wang J, Al-Solaimani SG, Antoniadis V, Rinklebe J, Lee SS, Shaheen SM, Zhang Z. Mitigation of the mobilization and accumulation of toxic metal(loid)s in ryegrass using sodium sulfide. THE SCIENCE OF THE TOTAL ENVIRONMENT 2024; 909:168387. [PMID: 37952661 DOI: 10.1016/j.scitotenv.2023.168387] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/14/2023] [Revised: 11/04/2023] [Accepted: 11/05/2023] [Indexed: 11/14/2023]
Abstract
Remediation of soils contaminated with toxic metal(loid)s (TMs) and mitigation of the associated ecological and human health risks are of great concern. Sodium sulfide (Na2S) can be used as an amendment for the immobilization of TMs in contaminated soils; however, the effects of Na2S on the leachability, bioavailability, and uptake of TMs in highly-contaminated soils under field conditions have not been investigated yet. This is the first field-scale research study investigating the effect of Na2S application on soils with Hg, Pb and Cu contents 70-to-7000-fold higher than background values and also polluted with As, Cd, Ni, and Zn. An ex situ remediation project including soil replacement, immobilization with Na2S, and safe landfilling was conducted at Daiziying and Anle (China) with soils contaminated with As, Cd, Cu, Hg, Ni, Pb and Zn. Notably, Na2S application significantly lowered the sulfuric-nitric acid leachable TMs below the limits defined by Chinese regulations. There was also a significant reduction in the DTPA-extractable TMs in the two studied sites up to 85.9 % for Hg, 71.4 % for Cu, 71.9 % for Pb, 48.1 % for Cd, 37.1 % for Zn, 34.3 % for Ni, and 15.7 % for As compared to the untreated controls. Moreover, Na2S treatment decreased the shoot TM contents in the last harvest to levels lower than the TM regulation limits concerning fodder crops, and decreased the TM root-to-shoot translocation, compared to the untreated control sites. We conclude that Na2S has great potential to remediate soils heavily tainted with TMs and mitigate the associated ecological and human health risks.
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Affiliation(s)
- Han Zhang
- College of Natural Resources and Environment, Northwest A&F University, Yangling, Shaanxi Province 712100, China
| | - You Li
- Key laboratory of Land Surface Pattern and Simulation, Institute of Geographic Sciences and Natural Resources Research, Chinese Academy of Sciences, Beijing 100101, China
| | - Ronghua Li
- College of Natural Resources and Environment, Northwest A&F University, Yangling, Shaanxi Province 712100, China
| | - Weilong Wu
- College of Natural Resources and Environment, Northwest A&F University, Yangling, Shaanxi Province 712100, China
| | - Hamada Abdelrahman
- Cairo University, Faculty of Agriculture, Soil Science Department, Giza 12613, Egypt
| | - Jianxu Wang
- State Key Laboratory of Environmental Geochemistry, Institute of Geochemistry, Chinese Academy of Sciences, 550082 Guiyang, PR China
| | - Samir G Al-Solaimani
- King Abdulaziz University, Faculty of Meteorology, Environment, and Arid Land Agriculture, 21589 Jeddah, Saudi Arabia
| | - Vasileios Antoniadis
- Department of Agriculture Crop Production and Rural Environment, University of Thessaly, Greece
| | - Jörg Rinklebe
- University of Wuppertal, School of Architecture and Civil Engineering, Institute of Foundation Engineering, Water- and Waste-Management, Laboratory of Soil- and Groundwater-Management, Pauluskirchstraße 7, 42285 Wuppertal, Germany
| | - Sang Soo Lee
- Department of Environmental and Energy Engineering, Yonsei University, Wonju 26493, Republic of Korea.
| | - Sabry M Shaheen
- King Abdulaziz University, Faculty of Meteorology, Environment, and Arid Land Agriculture, 21589 Jeddah, Saudi Arabia; University of Wuppertal, School of Architecture and Civil Engineering, Institute of Foundation Engineering, Water- and Waste-Management, Laboratory of Soil- and Groundwater-Management, Pauluskirchstraße 7, 42285 Wuppertal, Germany; University of Kafrelsheikh, Faculty of Agriculture, Department of Soil and Water Sciences, 33516 Kafr El-Sheikh, Egypt.
| | - Zengqiang Zhang
- College of Natural Resources and Environment, Northwest A&F University, Yangling, Shaanxi Province 712100, China.
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15
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Wang S, Song S, Yang X, Xiong Z, Luo C, Wei D, Wang H, Liu L, Yang X, Li S, Xia Y. Method for Simulating the Anti-Damage Performance of Consolidation Soil Balls at the Roots of Seedlings during Transportation Using Consolidated Soil Columns. Polymers (Basel) 2023; 15:4083. [PMID: 37896327 PMCID: PMC10610797 DOI: 10.3390/polym15204083] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/02/2023] [Revised: 10/01/2023] [Accepted: 10/08/2023] [Indexed: 10/29/2023] Open
Abstract
In the process of landscaping or afforestation in challenging terrain, in order to improve the survival rate of transplanted seedlings, it is necessary to transplant seedlings with a mother soil ball attached. During transportation, the soil ball at the root of the seedlings is very susceptible to breakage due to compression, bumps, and collisions. In order to ensure the integrity of the soil ball of the transplanted seedlings and improve the survival rate of seedlings, a method of chemically enhancing the soil surface strength was employed. Specifically, a polymer-based soil consolidating agent was used to solidify the root balls of the seedlings. To examine the abrasion resistance performance of the soil balls formed by consolidating the surface with polymer adhesive during the transportation process, we utilized a polymer-based consolidating agent to prepare test soil columns and developed a method to simulate the damage resistance performance of seedling root balls during transportation using these soil columns. The method primarily encompasses two aspects of testing: compressive strength testing of the consolidated soil columns and resistance to transportation vibration testing. The first method for testing the resistance to transportation vibration of the consolidated soil columns is a combination test that includes three sets of tests: highway truck transportation vibration testing, combined wheel vehicle transportation vibration testing, and impact testing. Although the method is cumbersome, testing is more accurate. The second method for testing the resistance to transportation vibration of the consolidated soil columns involves simultaneously testing multiple consolidated soil columns using a simulated transportation vibration test platform. The testing method is concise and efficient, and the test results are more intuitive. The combined assessment of the resistance to transportation vibration and compressive strength testing of the consolidated soil columns allows for a comprehensive evaluation of the soil columns' resistance to damage during transportation. This study mainly provides a quick and effective method for detecting the damage resistance of consolidated soil columns/balls during transportation, providing technical support for the application of polymer-based consolidation agents in the field of seedling transplantation.
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Affiliation(s)
- Shaoli Wang
- State Key Laboratory of Tree Genetics and Breeding, Experimental Center of Forestry in North China, National Permanent Scientific Research Base for Warm Temperate Zone Forestry of Jiulong Mountain in Beijing, Chinese Academy of Forestry, Beijing 100091, China
| | - Shengju Song
- R&D Center, China Academy of Launch Vehicle Technology, Beijing 100076, China
| | - Xuping Yang
- Security Department, Chinese Academy of Forestry, Beijing 100091, China
| | - Zhengqi Xiong
- College of Material and Chemical Engineering, Heilongjiang Institute of Technology, Harbin 150050, China
| | - Chaoxing Luo
- College of Material and Chemical Engineering, Heilongjiang Institute of Technology, Harbin 150050, China
| | - Donglu Wei
- College of Material and Chemical Engineering, Heilongjiang Institute of Technology, Harbin 150050, China
| | - Hong Wang
- College of Material and Chemical Engineering, Heilongjiang Institute of Technology, Harbin 150050, China
| | - Lili Liu
- College of Material and Chemical Engineering, Heilongjiang Institute of Technology, Harbin 150050, China
| | - Xinxin Yang
- Management Center of Songshushan Nature Reserve, Inner Mongolia, Songshushan Forestry Center, Wengniute Banner, Chifeng 024500, China
| | - Shaofeng Li
- State Key Laboratory of Tree Genetics and Breeding, Experimental Center of Forestry in North China, National Permanent Scientific Research Base for Warm Temperate Zone Forestry of Jiulong Mountain in Beijing, Chinese Academy of Forestry, Beijing 100091, China
| | - Yongxiu Xia
- State Key Laboratory of Tree Genetics and Breeding, Experimental Center of Forestry in North China, National Permanent Scientific Research Base for Warm Temperate Zone Forestry of Jiulong Mountain in Beijing, Chinese Academy of Forestry, Beijing 100091, China
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