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154 articles for “Toxic metal”
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Bioaccumulation, Phytoremediation and Kinetics of Uptake of Heavy Metals (Copper and Zinc) by Eichhornia crassipes
Abstract: AbstractPhytoremediation is cost effective and environmental friendly. This paper presents the importance of phytoremediation with particular emphasis on rhizofiltration, kinetics of bioaccumulation and uptake factor in Eichhornia crassipes. The present study tried to highlight the effectiveness of the aquatic plant, E. crassipes, in removing heavy metals (Cu and Zn) from aquatic solutions. The plant was exposed to 0.5 mg/L concentration of copper and zinc and their uptake was measured after …
Published in Research & Reviews : Journal of Ecology · Vol. 2, Issue 1, 2013 · pp. 1–9 Read article
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Removal of Copper from Synthetic Wastewater by Tea Waste Adsorbent
Abstract: There are numerous heavy metals present in industrial wastewater. These heavy metals like Cu2+ are toxic and harmful for human beings especially copper heavy metal spreads a pulmonary fibrosis disease. There are many methods to remove and recover metals from our environment and many physicochemical methods have been proposed for the removal of this heavy metal from wastewater. Adsorption is the best way for effective purification and separation technique is …
Published in Journal of Water Pollution & Purification Research · Vol. 2, Issue 2, 2015 · pp. 5–9 Read article
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Self-Healing Polymeric Composites Reinforced with Green Synthesized Nanoparticles
Abstract: The development of sustainable self-healing polymeric materials is critical for enhancing durability and service life in advanced engineering applications. In this study, zinc oxide (ZnO), magnesium oxide (MgO), and ferric oxide (Fe₂O₃) nanoparticles were green-synthesized using Allium cepa extract and incorporated into epoxy-based polymeric composites to improve mechanical, thermal, and self-healing properties. This bio-based synthesis is eco-friendly and safe alternative to harsh chemical techniques, utilizing natural antioxidants to stabilize the …
Published in Journal of Polymer & Composites · Vol. 14, Issue 3, 2026 · pp. 305–314 Read article
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Ramifications of Industrial Pollution: Problems and Ways to Fix Them
Abstract: Pollution from industry is still one of the largest environmental challenges of the 21st century. It hurts the air, water, and land all around the world. This page discusses about the primary kinds of pollutants that arise from factories, such as heavy metals, particles, and toxic chemicals. It studies at how industrial emissions affect people and the environment, such as by causing respiratory problems, harming ecosystems, and changing the climate. …
Published in International Journal of Pollution: Prevention & Control · Vol. 3, Issue 2, 2025 · pp. 1–5 Read article
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Advances in Photocatalytic Catalysts for Wastewater Treatment
Abstract: Water is a fundamental component of the life support system and is indispensable for the survival of all living organisms. Life cannot exist without water, and human societies depend on it for drinking, agriculture, industry, and sanitation. Water resources are increasingly under pressure in terms of both quality and availability, largely due to rapid industrial development, expanding urban areas, and rising population levels. These human-driven activities have played a major …
Published in Journal of Catalyst & Catalysis · Vol. 13, Issue 1, 2026 · pp. 44–56 Read article
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Evaluation of Metal Pollution in Wetlands Using Fish as an Indicator
Abstract: The current study has attempted to document the heavy metal pollution in wetlands using fish as an indicator. Heavy metals are one of the most toxic, persistent and widespread groups of contaminants in aquatic systems. Their effects may often occur and remain unrecognized at the individual level but slowly, over a period of time, show up at a population level. Over a few decades globally there has been growing interest …
Published in Research and Reviews: A Journal of Toxicology · Vol. 1, Issue 1-3, 2011 · pp. 28–38 Read article
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Review on Arsenic Toxicity: Its Treatment And Prevention
Abstract: Arsenic, a metalloid is distributed throughout the surface of the earth. It has various oxidation states, most common being +3 and +5. It is a highly toxic element and is often found in groundwater and contaminated drinking water and can enter the body through various routes like ingestion, absorption and inhalation. Arsenic toxicity can be both acute as well as chronic and can lead to several diseases of the human …
Published in Research and Reviews: A Journal of Toxicology · Vol. 6, Issue 2, 2016 · pp. 17–22 Read article
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Detection of Heavy Metals Indifferent Soil Samples and Their Bioremediation with the Help of Fungus Cunninghamella sp
Abstract: Due to increased population, industrialization and urbanization are environmental contamination is growing day by day. Levels of some heavy metals (Zn, Pb and Cd) were investigated in various soil samples, nursery sample (NS), nursery sample containing herbicides (HS) and a sample from the area that has less human interference (LHI), after bioremediation with the help of fungus. There are various fungi (Aspergillus sp., Cunninghamella sp., Trichoderma sp. and Candida sp.) …
Published in Research and Reviews : A Journal of Biotechnology · Vol. 8, Issue 1, 2018 · pp. 16–23 Read article
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Review on Histological Effect of Lead on Liver and Kidney
Abstract: Our environment can be polluted by environmental toxins which are chemicals and other materials produced largely from industry and its products. There are large numbers of environmental toxicants which are potentially harmful to health. These large numbers of environmental toxicants can be divided into three major categories (heavy metals, air pollutants, and pesticides) and they are commonly studied environmental toxicants. Environmental toxins can be entered into the body by various …
Published in Research and Reviews: A Journal of Toxicology · Vol. 10, Issue 1, 2020 · pp. 8–29 Read article
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Geoenvironmental Evaluation and Risk Assessment of Heavy Metals in Sediment, Minichinda Stream, Port Harcourt, Nigeria
Abstract: The pollution status and risk assessment of the heavy metals in the sediment from Minichinda stream, Port Harcourt were studied. Sediment samples collected for twelve Months from four stations were analyzed for heavy metals using spectrophotometer as in the standard method. The mean values for the respective heavy metals (mg/kg) include Cd (0.496±0.20), Cr (0.460±0.17), Pb (0.469±0.20), Cu (0.738±0.26) and Fe (15.05). The spatial mean concentration of the metals varied …
Published in Research & Reviews : Journal of Ecology · Vol. 9, Issue 2, 2020 · pp. 36–46 Read article
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Exploring the Synergistic Effects of Heavy Metal contaminants on Aquatic Organisms
Abstract: Human activities have a profound effect on aquatic habitats by altering water and sediment quality, which in turn impacts resident organisms. These changes are primarily caused by pollutants from agricultural, industrial, and health-related sources. Industrial effluents, often containing hazardous heavy metals such as chromium, manganese, and lead, are a major source of environmental toxicity. The discharge of these pollutants makes water unsafe for drinking, irrigation, and industrial uses, necessitating effective …
Published in International Journal of Marine Life · Vol. 1, Issue 2, 2024 · pp. 17–20 Read article
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Experimental Studies on the Assessment of River Water Quality: A Case Study on Noyyal River Tirupur
Abstract: Tirupur is the most popular textile industrial area, which contains 90% of the knitwear industries in India. By 2005, there were more than 729 bleaching and dyeing units in Tirupur. Now there are 2000 textile manufacturing units producing variety of goods. The textile industries release heavy amount of dye waste which contains bleaching liquids, soda ash, caustic soda, sulfuric acid, hydrochloric acid, sodium peroxide, and so many other toxic materials …
Published in Journal of Water Pollution & Purification Research · Vol. 1, Issue 2, 2014 · pp. 19–23 Read article
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Breakthroughs in Arsenic Remediation: Unveiling Groundwater Treatment by Polymer Technologies
Abstract: Arsenic (As) is a metalloid characterized by its toxic properties and ability to undergo variations in oxidation state and bonding configuration. Its existence in groundwater has emerged as a subject of worldwide apprehension, primarily due to its detrimental properties and adverse impacts on human health. A significant proportion of the population residing in the Ganga basin relies heavily on groundwater resources that exhibit elevated levels of arsenic (As) for various …
Published in Journal of Polymer & Composites · Vol. 12, Issue 4, 2024 · pp. 102–109 Read article
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A Review on Heavy Metal Removal Techniques in Water Treatment
Abstract: The removal of heavy metal ions from wastewater is crucial for environmental safety and human health due to the toxic and persistent nature of these pollutants. This review comprehensively examines various water treatment methods, including adsorption, membrane filtration, chemical precipitation, electrochemical, and photocatalytic processes. Each technique is critically analyzed in terms of removal efficiency, operating conditions, and their respective advantages and limitations. Adsorption methods, particularly those using bioadsorbents, have gained …
Published in Journal of Water Pollution & Purification Research · Vol. 11, Issue 3, 2024 · pp. 15–28 Read article
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Bioinspired Nanocomposite Bone Pins: Fabrication, Evaluation, and Suitability for Orthopedic Implant Applications
Abstract: Bone tissue engineering (BTE) requires scaffolds that mimic bone’s mineral–organic composition, offering mechanical strength, bioactivity, and degradation rates compatible with regeneration. Conventional metallic implants face corrosion and toxic ion release risks, while ceramics like hydroxyapatite (HAp) are bioactive but brittle. This study reports a multifunctional hybrid scaffold combining HAp for osteoconductivity; polycaprolactone (PCL) and collagen for flexibility and biocompatibility with sodium citrate for nanoparticle dispersion, ferrocene (Fc) for catalytic bioactivity; …
Published in Journal of Polymer & Composites · Vol. 14, Issue 1, 2026 · pp. 526–540 Read article
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Petroleum sludge treatment and oil recovery: Review paper
Abstract: Oily sludge is a type of semi solid hydrocarbon waste material that produced by the petroleum industry. It is generally mixture of water, crude oil, and sludge that is solid matter. As it contains large amounts of various types of hydrocarbon like paraffinic hydrocarbon, saturated and unsaturated hydrocarbon, cycloalkanes, aromatic compound , poly aromatic hydrocarbon, benzene series, polycyclic aromatic hydrocarbons, some metals, sulphur, nitrogen and other toxic and harmful substances, …
Published in Journal of Petroleum Engineering & Technology · Vol. 12, Issue 1, 2022 · pp. 24–33 Read article
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Bioconversion of Textile Industry Sludge into Soil Enriching Material Through Vermistabilization
Abstract: Disposal of textile sludge onto the environment imposes deleterious effects on the micro and macroflora. Vermistabilization of sludge could be considered as the pioneering solution for the prevailing concern. In this regard, textile sludge has been admixed with cow dung in the ratio of 1:2 to enhance the suitability of the sludge as growth medium for Eudrilus eugeniae. Various physicochemical and worm growth parameters have been evaluated to discern the …
Published in Research and Reviews : A Journal of Life Sciences · Vol. 9, Issue 1, 2019 · pp. 51–58 Read article
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Studies on Cr (VI) Removal from Aqueous Solution using Al2O3 and ZnO Nanoparticles Composite
Abstract: Cr (VI) is a heavy metal and is considered to be toxic both to environment and human beings after a permissible limit. The removal of Cr (VI) using conventional methods was ineffective. With introduction of nanotechnology, the remediation of Cr (VI) has become more easy and effective. Nanoalumina has been an efficient adsorbent system for the adsorption of different heavy metals. It has an excellent adsorption capacity for metal ions …
Published in Journal of Nanoscience, NanoEngineering & Applications · Vol. 4, Issue 1, 2014 · pp. 39–45 Read article
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Evaluation of Growth and Heavy Metals Uptake of Ipomoea batatas (L.) Lam. Grown on Crude Oil Contaminated Soil
Abstract: AbstractThis study investigated the effect of crude oil contaminated soil on the growth and heavy metals content of Ipomoea batatas (L.) Lam. This study was carried out in the screen house of the College of Crop and Soil Science, Michael Okpara University of Agriculture, Umudike, between the months of May and August, 2017. The design of the experiment was completely randomized design (CRD).The treatments were different crude oil concentrations (volume/weight) …
Published in Research and Reviews : Journal of Crop science and Technology · Vol. 9, Issue 1, 2020 · pp. 27–34 Read article
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Physicochemical Parameters for Water-Environment Quality Testing: A Review
Abstract: The increasing threat posed by contaminants in air, water, and soil is a pressing issue globally, exacerbated by population growth, industrialization, and agricultural practices. These factors contribute to significant water pollution, introducing harmful substances that compromise human health. Natural processes, such as weathering and soil leaching, alongside mining activities, further degrade water quality. Regular monitoring of drinking water is essential, as contaminated sources can lead to a variety of waterborne …
Published in International Journal of Pollution: Prevention & Control · Vol. 3, Issue 1, 2025 · pp. 08–12 Read article