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45 articles for “Heavy metal pollution”
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Dry Season Impact on Water Quality of Nworie River, Owerri, Nigeria
Abstract: This study assessed the physicochemical properties and heavy metal contamination of Nworie River during the dry season. Fifteen composite water samples were collected from strategic points along the river. In-situ measurements of pH, temperature, and electrical conductivity were undertaken, while laboratory analyses determined heavy metal concentrations. Pollution Load Index and Contamination Factor were employed to evaluate the overall water quality and contamination levels. Results indicated moderate to high levels of …
Published in International Journal of Analytical and Applied Chemistry · Vol. 11, Issue 1, 2025 · pp. 40–49 Read article
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Synthesis of Bio-Polymeric Network and Developing UV-Visible Spectrophotometric Method for Heavy Metal Ions Removal from Polluted Water by Apple Residues
Abstract: Biosorption is potentially an attractive technology for removing heavy metals from wastewater and discharging heavy metals into an aquatic ecosystem has become a matter of concern all over the globe since the last century. Pollutants from various industrial operations disturb the aquatic systems and heavy metals present in them cause serious human diseases. Previously established methods, such as chemical precipitation, ion exchange, membrane separation, and adsorption are generally costly due …
Published in International Journal of Industrial Biotechnology and Biomaterials · Vol. 11, Issue 1, 2025 · pp. 1–9 Read article
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Existing pollutants reaching the Ganga River: A Mini Review
Abstract: Water is very essential for all forms of life. Rivers can be considered to be the main source of surface water. Most of the time our civilizations were generated on the river bank. However in recent times, the conditions of rivers are very badly affected. The reasons for this due to increase in population growth, rapid industrialization and agriculture methods resulting deterioration of waterquality.The Ganga river system has combined length …
Published in International Journal of Environmental Chemistry · Vol. 6, Issue 1, 2020 · pp. 47–50 Read article
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Creating Awareness on Toxic Nature of Lead
Abstract: In our day-to-day life, we come across in contact with hundreds of substances such as natural or synthetic which are toxic. In recent time, the number of chemical substances in use as increased drastically. Lead is one such element that contaminates the environment and also enters the human body. Heavy metals have relatively high density and are toxic even at ppb levels which include Pb, As, Hg, Cd, Zn, Ag, …
Published in International Journal of Metallurgy and Alloys · Vol. 7, Issue 2, 2021 · pp. 44–47 Read article
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Assessing the Impact of Heavy Metal Contamination on Okra: A Study of Zinc and Cadmium Bioaccumulation
Abstract: Recently, concerns have been raised regarding environmental contamination by heavy metals, which pose significant risks to agriculture and human health. Industrial and domestic waste discharge into the environment contributes to the accumulation of toxic metals such as cadmium (Cd) and zinc (Zn) in soil and water. These metals, when absorbed by plants, lead to physiological, morphological, and biochemical disruptions, including chlorosis, necrosis, and reduced crop yield. Furthermore, excessive metal concentrations …
Published in International Journal of Analytical and Applied Chemistry · Vol. 11, Issue 2, 2025 · pp. 22–29 Read article
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Influence of Contaminants on Ground Water and Associated Health Risk
Abstract: Due to the demand for safe water, groundwater quality which relates closely to human health has become as important as its quantity. Any place where surface water makes its way into ground water, organic chemicals and pathogens potentially can enter. Natural sources or numerous types of human activities can contaminate the ground water. Due to anthropogenic activities, like mining, and open dumping of industrial and domestic wastes which lead to …
Published in International Journal of Agrochemistry · Vol. 6, Issue 2, 2020 · pp. 49–63 Read article
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Spatial Variation and Pollution Assessment of Selected Water Quality Variables in the Luubara Creek, Niger Delta, Nigeria
Abstract: The spatial variation and pollution status of selected water quality variables in Luubara Creek, Niger Delta, Nigeria, were assessed between June and August 2024. Water samples were collected from four sampling stations, with Stations 1 and 2 representing areas of relatively low anthropogenic influence and Stations 3 and 4 representing areas with greater human activities. Physicochemical parameters and heavy metals were analyzed following the standard methods of the American Public …
Published in International Journal of Analytical and Applied Chemistry · Vol. 12, Issue 2, 2026 Read article
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Synthesis, Characterization, Antibacterial Study and Study of Bio Properties for New Analytical Reagents
Abstract: Due to the widespread pollution of heavy metals in water and environmental samples, the pollution levels have increased. Therefore, researchers have begun working on various environmental solutions to improve the levels of these elements in environmental samples. One such solution is the preparation of analytical reagents as coordination agents and ligands to shield the elements from water and soil, thereby reducing pollution levels. In this study, new analytical reagents were …
Published in International Journal of Environmental Chemistry · Vol. 12, Issue 1, 2026 · pp. 1–11 Read article
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Treatment of Oil Spills and Heavy Metals in Environment
Abstract: Treating oil spills and heavy metals is the problem of the old decades and continued to find technicalsolutions to address the problems of pollution with heavy metals and oil spills in sea waters as aresult of transporting oil in ships. In general, the health of all marine and terrestrial organisms aswell. This term usually refers to offshore oil spills, where oil is poured into the ocean or coastalwaters, but may …
Published in International Journal of Metallurgy and Alloys · Vol. 7, Issue 1, 2021 · pp. 9–16 Read article
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How Heavy Metal Minerals Affect the Quality of Soil and Groundwater
Abstract: Heavy metal minerals polluting soil and groundwater is becoming a major environmental issue because these components are not biodegradable and last a long time. This study examines the degree to which heavy metals, including lead (Pb), cadmium (Cd), arsenic (As), mercury (Hg), and chromium (Cr), affect the chemical and physical characteristics of soil and groundwater in regions impacted by industrial, agricultural, and mining operations. Soil and water samples were obtained …
Published in International Journal of Environmental Chemistry · Vol. 11, Issue 2, 2025 · pp. 9–20 Read article
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Treatment of Leachate by Using Solid Waste
Abstract: Abstract Leachate, a hazardous liquid from landfill decomposition, is a significant environmental challenge worldwide. Traditional collection of solid waste: Gather the solid waste material you want to generate leachate from. This waste could include organic matter, plastics, paper, and other materials commonly found in municipal solid waste. Sorting and compressing: Depending on the initial state of the waste, you may need to shred or crush it to increase the surface …
Published in International Journal of Prevention and Control of Industrial Pollution · Vol. 11, Issue 1, 2025 · pp. 43–49 Read article
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Heavy metal concentrations in two mangrove species grown in the UAE region and use of phytoremediation technology
Abstract: The mangrove vegetation of Eastern region of UAE, rhizosphere root, leaf, stem and soil sediments of two mangrove types studied for the levels of Cr, Cu, Cd, Mn, Ni, Zn and Pb in the eastern Emirates region. The analysis was carried out with FAAS spectroscopy using microwave digestion technique. The two mangrove plants are most abundant in this region. the bioconcentration factor (BCF) > 1 metal content was quantized. It …
Published in International Journal of Green Chemistry · Vol. 5, Issue 2, 2019 · pp. 1–8 Read article
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Synthesis of Zeolites: An Overview
Abstract: Zeolites are microporous, aluminosilicate minerals commonly used as commercial adsorbents and catalysts. Zeolite synthesized from CFA is a minor but interesting product, with high environmental applications. Zeolites may be easily obtained from CFA by relatively cheap and fast conversion processes. This paper provides an overview on the methodologies for zeolite synthesis from CFA, and a detailed description of conventional alkaline conversion processes, with special emphasis on the experimental conditions to …
Published in International Journal of Chemical Synthesis and Chemical Reactions · Vol. 3, Issue 2, 2017 · pp. 8–14 Read article
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Intelligent Nanobots: Real-Time Framework for Molecular Pollution Detection and Health Risk Mitigation
Abstract: Nanobots are machines made at a very small scale. They can do jobs. These machines are very versatile and accurate. They are helping to start an era in cleaning up the environment. Nanobots can focus on pollutants in the environment. Their tiny structures can. Break down bad stuff at the molecular level. They can reach places that regular cleaning methods cannot. Water pollution is a problem. Water pollution is mostly …
Published in International journal of Nanobiotechnology · Vol. 12, Issue 2, 2026 Read article
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Adsorption by waste materials - An effective method for removal of pollutants from wastewater
Abstract: Various pollutants in wastewater with high organic and metal content poses a major problem in the field of wastewater treatment. Removal of pollutants by adsorption is very effective and economical method. Low cost materials can be used for adsorption preparation. These include adsorbents prepared from saw dust, bagasse pith, rice husk ash, activated coconut shell powder controlled burnt wood charcoal, fly ash, peat, wood, jute fibers. It is envisaged to …
Published in International Journal of Green Chemistry · Vol. 4, Issue 2, 2018 · pp. 17–19 Read article
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Mass Transport of Heavy Metals in Soil Columns Amended with Biochar Nanoparticles
Abstract: Biochar has potential as a valuable material for removing heavy metals from wastewater. The biochar obtained by pyrolysis of the Pomegranate Peel (PPBC) under an oxygen-limited atmosphere in a muffle furnace at 450°C. The biochar was also analyzed through SEM and FTIR for identification of particle size and functional groups. Therefore, the present work aims to study the effect of adding biochar to the soil columns (10 cm length and …
Published in International Journal of Agrochemistry · Vol. 6, Issue 1, 2020 · pp. 62–72 Read article
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POLYCYCLIC AROMATIC HYDROCARBONS (PAHs) AND HEAVY METALS IN SELECTED DRIED SEA FOODS FROM PORTHARCOURT CITY NIGERIA
Abstract: Polycyclic aromatic hydrocarbons (PAHS) and heavy metals constitute environmental recalcitrant pollutants which are toxic and carcinogenic. The levels of PAHs and heavy metals (As, Hg, V, Zn, Pb, and Cr) in dried sea foods: prawn (Panaeus monodon), water snail (Bithynia tentaculata), periwinkle (Littorina littorea), conch (Lobatus gallus) and Oyester (Ostrea edulis) were determined. PAHs were determined using GC/FID and the heavy metals were determined using AAS. Total PAHs ranged from …
Published in International Journal of Analytical and Applied Chemistry · Vol. 6, Issue 1, 2020 · pp. 24–34 Read article
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Mathematical Modeling of Mass Transfer of Heavy Metals from the Diffusion of Condemned Oil in Soil Environment
Abstract: The diffusion and reaction kinetics of heavy metals in soil are critical factors influencing pollutant migration and environmental remediation strategies. Understanding the diffusion and reaction kinetics of heavy metals in soils is crucial for assessing environmental contamination and designing effective remediation strategies. This study investigated the diffusion behavior of heavy metals in soil media under varying thermal and physical conditions, employing a first- order reaction model based on Fick’s second …
Published in International Journal of Analytical and Applied Chemistry · Vol. 11, Issue 2, 2025 Read article
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Analytical Development of Electrochemical Biosensors for Real-Time Monitoring of Environmental Contaminants
Abstract: The increasing awareness of environmental pollution has necessitated the development of efficient monitoring systems for the detection and quantification of contaminants. Electrochemical biosensors have emerged as powerful tools due to their high sensitivity, rapid response, and cost-effectiveness. This paper reviews recent advancements in the development of electrochemical biosensors specifically designed for real-time monitoring of environmental contaminants. The design and fabrication of electrochemical biosensors involve the integration of biological recognition elements …
Published in International Journal of Analytical and Applied Chemistry · Vol. 9, Issue 2, 2023 · pp. 31–37 Read article
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Statistical Modeling of Diffusion of Heavy Metals from Waste Oil in Soil Environment Using Regression Analysis
Abstract: Regression analysis is a statistical tool or method used to estimate the relationship between dependent variable and one or more independent variables. The diffusion and statistical model of heavy metals in soil are critical factors influencing pollutant migration and environmental remediation strategies. Understanding the diffusion and statistical method of analyzing the adsorption of heavy metals in soils is crucial for assessing environmental contamination and designing effective remediation strategies. This study …
Published in International Journal of Analytical and Applied Chemistry · Vol. 11, Issue 2, 2025 · pp. 1–15 Read article