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77 articles for “heavy metals”
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Yamuna River Degradation due to Heavy Metals in Delhi-NCR: A Review
Abstract: Yamuna river, which is a heart river for Delhi-NCR, is the most-polluted river in the country. Highly populated Delhi-NCR pollute the river Yamuna in all aspects weather we talk about domestic or industrial waste; which I turn affect in increasing significance for ecological, evolutionary, and environmental reasons. Mythologically Yamuna River is associated with the Hindus but apart it fulfills the need of people in other way as well. The water …
Published in International Journal of Water Resources Engineering · Vol. 2, Issue 2, 2016 · pp. 19–23 Read article
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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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Review of Remediation of Hg & Cd from Industrial Waste water Using Different Methods
Abstract: Global modernization increasing adverse impact to the aquatic environment mainly due to industrial discharge of waste water. The industrial waste containing nutrients and heavy metals i.e. Hg and Cd leads to eutrophication in water bodies. Various industries released various heavy metals to the natural water bodies. Any kind of heavy metals released to the environment is carcinogenic or toxic in nature. So removal of heavy metals from waste water is …
Published in International Journal of Green Chemistry · Vol. 8, Issue 1, 2022 · pp. 36–40 Read article
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Modeling the Behavior of Metal Corrosion in Aquatic Environments at Varying Depth
Abstract: The failures of engineering structures situated in the aquatic environment caused by corrosion cannot be over-emphasized. This research work addressed the effects of depths, heavy metals, microbial activities, and physiochemical properties of the water body on the corrosion of submerged metal structures in the water body (the water body is assumed flowing). Model techniques were applied to evaluate the relationship between diffusion and weight loss, as well as velocity and …
Published in International Journal of Metallurgy and Alloys · Vol. 11, Issue 1, 2025 · pp. 1–9 Read article
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Lead (II) Ion Biosorption from Aqueous Solution ontoHexadecyltriammonium Bromide (HDTMA-Br) Modified Dry Water Hyacinth
Abstract: Heavy metal release into the environment by industrial activities has become a persistent problem,with these contaminants continually increasing in concentration. Heavy metals not only circulatethrough ecosystems but also accumulate in organisms over time, which elevates their toxic effectsalong the food chain. This research was conducted to explore the efficiency of biosorption inremoving lead (II) ions from aqueous solutions using water hyacinth powder modified withhexadecyltriammonium bromide (HDTMA-Br), a cationic surfactant. The …
Published in International Journal of Chemical Synthesis and Chemical Reactions · Vol. 10, Issue 2, 2025 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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Impact of Solid Waste Disposal on Soil Physicochemical Parameters and Selected Enzyme Activities: A Case Study from Nekede Dumpsite, Nigeria
Abstract: This study assessed the influence of solid waste disposal on soil physicochemical parameters in Nekede dumpsite Owerri, Imo state Nigeria. The study area is a solid waste dumpsite located between latitude 5° 25' 59.99"N and longitude 7°01'60.00"E DMS coordinates along No. 1 old Nekede road and beside the Otamiri river. The study area was partitioned into four (4) quadrants while facing the river with samples collected at three (3) different …
Published in International Journal of Environmental Chemistry · Vol. 9, Issue 2, 2023 · pp. 40–49 Read article
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Fe, Cr, Cu, Ni and Mn Concentration Determination from Matatilla Water System by Atomic Absorption Spectroscopy
Abstract: This study was conducted to assess the extent of heavy metal in the Matatilla Dam water systems. Water quality is effect by the many substance water contacts during its movement through the hydrological system. Water dissolves a wide variety of minerals, nutrients and other substance from soils, rocks and atmosphere carries them in water system. Lake streams and ground water accumulate these dissolve substance and reflect distinctive characteristic of this …
Published in International Journal of Green Chemistry · Vol. 1, Issue 2, 2015 · pp. 1–7 Read article
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INVESTIGATION ON PORTABILITY OF OTUOKE UNDERGROUND WATER.
Abstract: The study was designed to investigate the portability on groundwater in Otuoke, Bayelsa State. A total of four groundwater samples were acquired and analyzed for their physico-chemical and heavy metal parameters. Heavy metals were all analyzed with the Atomic Absorption Spectrometer and spectrophotometer. The result revealed that for the heavy metals, iron was most predominant, ranging from 0.70 to 0.08 mg/L. Arsenic was below the machine detectable limit and Assessment …
Published in International Journal of Renewable Energy and its Commercialization · Vol. 8, Issue 2, 2022 · pp. 30–36 Read article
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Presence of Chemical Ions in Raw and Treated Water
Abstract: Dhaka water supply and sewerage authority utilizes a section of the DND canal from Sarulia to Kajla to convey raw water from the Shitalakhya river to the water treatment plant at Saidabad. Raw water quality is poor mostly in the dry season. High heavy metal concentration in the water at the intake point is found. Aluminum (Al), Cadmium (Cd), Lead (Pb), and Mercury (Hg) are detected in river water which …
Published in International Journal of Green Chemistry · Vol. 5, Issue 2, 2019 · pp. 9–21 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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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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The Environmental Impact of Soil Pollution on Human Health
Abstract: Soils are shaped by the decomposition of rock and organic matter over several years. Soil properties vary from place to place with difference in bedrock composition, climate and other factors. Certain chemical elements occur naturally in soils as components of minerals, yet may be toxic at some concentration. Various other potentially harmful substance may end up mixing with soils through human activities. This may lead to soil contamination which in …
Published in International Journal of Geological and Geotechnical Engineering · Vol. 3, Issue 2, 2017 · pp. 29–34 Read article
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Phytoremediation of Lead by Brassica juncea and Vetiver zizanioidus
Abstract: The engineering-based remediation technologies of heavy metals from contaminated soil are time consuming, expensive, and create noise to the environment. Accumulation of heavy metals such as Pb, Cd, Hg, Cr, and Ni is destructive to not only plants and animals but also to complete ecosystem. Lead contamination keeps on increasing day by day from industrial waste, paints, ceramics, use of biosolids, and many more. Metals cannot easily degrade, so effective …
Published in International Journal of Plant Biotechnology · Vol. 1, Issue 1-2, 2015 · pp. 42–49 Read article
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Metals from Plantation to Search Toxicity
Abstract: Ascent of sap by plant tissues absorbs chemical complexes for ingrowth. Trace elemental complexes have been as require by successive growth strategies as per standards. Therefore, heavy elements in soil compositions have adhered other than morphological, which have been either in excess or others under composed variations. Soil content ever has studied to be primary issue to assess the possibilities of polluting elemental containment. Examples are innumerable; however some of …
Published in International Journal of Plant Biotechnology · Vol. 6, Issue 1, 2020 · pp. 1–9 Read article
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Implications of Asphalt Plant Discharge Water on Agromorphological Parameters and Photosynthetic Processes of Edible Vegetables
Abstract: Untreated industrial waste discharges emitted into the environment have a negative impact on all components of the ecosystem, especially the soil properties. The aim of the study is to evaluate the effects of heavy metal concentrations present in asphalt plant discharges on the soil properties, photosynthetic activities and agromorphology of the vegetable plants. Soil samples used for the experiment were collected from Federal University of Technology Owerri Botanical Garden. The …
Published in International Journal of Agrochemistry · Vol. 11, Issue 2, 2025 Read article
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EFFECT OF ALGAE & COAGULANTS ON PHARMACUTICAL EFFLUENT CHARACTERSTICS
Abstract: Pharmaceutical industry effluents may contain many elements including calcium, magnesium, silica, chromium nickel, iron, cobalt, zinc etc. These heavy metals which are produced by the industrial waste are a big threat for the environment. They can also harm the ecosystem. In this study biochemical treatment of algae and coagulants was given to pharmaceutical industry effluent and reduction in polluting parameters was determined. It was observed that in the presence of …
Published in International Journal of Environmental Chemistry · Vol. 5, Issue 1, 2019 · pp. 1–3 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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Nanocomposite Hydrogels for Water Purification
Abstract: DNA hydrogels have been demonstrated as versatile catalysts, potential adsorbents, sensors and immobilization carriers of bioactive molecules. They are a type of tenuous, semiflexible polymeric network that consists of precisely designed synthetic nucleotide strands as chemical or physical cross-linkers. Hydrogels have been widely studied due to their improved physicochemical properties and used as antibacterial platforms, wastewater pollutants, adsorbents and drug deliverers. Because of their biocompatibility and the ability to mix …
Published in International Journal of Industrial Biotechnology and Biomaterials · Vol. 4, Issue 2, 2018 · pp. 17–21 Read article
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Air-Driven Sheet Metal Cutting System
Abstract: A fundamental component of all industries is the sheet metal cutting process. Typically, medium- and small-sized businesses will use a manually operated sheet metal cutting machine. Our product, "Pneumatically Actuated Sheet Metal Cutting," was designed and constructed to cut GI sheet metal with less time and high prison. Typically, sheet metals are cut manually, which takes more time and lacks accuracy. Further hydraulic devices are available for cutting sheet metal. …
Published in International Journal of Structural Mechanics and Finite Elements · Vol. 10, Issue 1, 2024 · pp. 30–44 Read article