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Riparian Soil Heavy Metal Contamination and Pollution Assessment and Management Planning Integrating Multiple Indices, Statistical and Geospatial Approaches.
Environ Manage
January 2025
Department of Engineering, Reykjavik University, Reykjavík, Iceland.
This research assesses heavy metal contamination within the riparian zone of the Danro River, a tributary of the Ganges River basin in India, particularly impacted by sand mining activities. The study conducted analyses on major and trace elements in soil samples, focusing on those identified as ecologically hazardous by the Water Framework Directive of India. Utilizing a combination of indices (Enrichment Factor, Pollution Load Index, and Index of geo-accumulation) and statistical techniques such as Principal Component Analysis (PCA), the investigation aimed to evaluate contamination severity, ecological risks, and pollution sources.
View Article and Find Full Text PDFPurification of arsenic-contaminated drinking water by Fe-Al-CO layered double hydroxide derived from secondary aluminum dross: adsorption and stabilization studies.
Sci Rep
January 2025
Research Laboratory of Inorganic Chemical Process Technologies, School of Chemical Engineering, University of Science and Technology, Narmak, Tehran, 1684613114, Iran.
This study aims to utilize secondary aluminum dross waste to synthesize Fe-Al layered double hydroxide (Fe-Al LDH) for efficient adsorption of arsenic from drinking water. The synthesis process was based on a multi-step hydrometallurgical approach, in which the aluminum content in the waste was first converted to sodium aluminate. This was followed by the transformation into Fe-Al LDH through a series of processes, including gelation, sol formation, simultaneous precipitation, and aging.
View Article and Find Full Text PDFResidual heavy metals and antibiotic pollution in abandoned breeding areas along the northeast coast of Hainan Island, China.
Mar Pollut Bull
January 2025
Anhui Province Key Laboratory of Polar Environment and Global Change, School of Earth and Space Sciences, University of Science and Technology of China, Hefei 230026, China; CAS Key Laboratory of Crust-Mantle Materials and Environments, School of Earth and Space Sciences, University of Science and Technology of China, Hefei 230026, China. Electronic address:
To assess the environmental status of an abandoned aquaculture and breeding area in the northeast coast of the Hainan Island, surface and well water, sediment and surface soils were sampled and analyzed for conventional physicochemical properties, heavy metals and antibiotics. Metagenome tests were also conducted to determine the composition and diversity of the microbial community in typical habitats. Affected by the discharge of wastewater from higher-place pond aquaculture, coastal freshwater rivers have undergone significant salinization, Cl and Na were as high as 4.
View Article and Find Full Text PDFPrevalence of chronic kidney disease and anemia in Hirakud Command Area, Odisha, India: unveiling the role of environmental toxicants.
J Nephrol
January 2025
Laboratory of Renal Toxicopathology & Medicine, P.G. Department of Environmental Sciences, Sambalpur University, Burla, Odisha, 768019, India.
Background: The present community-based study assessed the prevalence of chronic kidney disease (CKD)/chronic kidney disease of unknown origin (CKDu) as well as anemia in some intense agricultural zones under Hirakud Command Area and evaluated their association with pesticides and heavy metal exposure.
Methods: Random cluster sampling method was used to assess the prevalence of CKD and anemia. Hematological analysis was carried out using autoanalyzer.
Toward one-step As(III) removal in ultrafiltration with in situ BioMnO cake layer: Mechanism and feasibility insights.
Water Res
January 2025
School of Civil Engineering, Wuhan University, Wuhan, 430072, PR China. Electronic address:
Inorganic arsenic (As) is one of the most significant chemical contaminants in drinking water worldwide. Although membrane-based technologies are commonly used for As removal, they often encounter challenges including complex operation, high energy consumption, and the need for chemical addition. To address these challenges, we proposed a one-step ultrafiltration (UF) process empowered by in situ biogenic manganese oxides (BioMnO) cake layers without any additional chemicals, to treat source water contaminated with both As and manganese (Mn).
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