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170 articles for “heavy water”
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Preliminary design assessment of heavy water purification columns through shortcut calculations including hydraulic and mass transfer characteristics
Abstract: Heavy water having deuterium content of 99.9% and more is used as the moderator and the coolant in pressurized heavy water nuclear reactors (PHWRs). This purity is maintained by vacuum distillation in packed columns. This work analyses the effect of packing type on preliminary column design based on certain user-defined specifications, with a focus on mass transfer and hydraulic characteristics of the column. Geometrical characteristics of commercial metallic packing materials …
Published in Journal of Water Pollution & Purification Research · Vol. 5, Issue 3, 2018 · pp. 20–29 Read article
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Parallel Genetic Algorithm for Fuel Bundle Burnup Optimization of Pressurized Heavy Water Reactor
Abstract: In this study, parallel genetic algorithm (GA) was applied to solve an optimization problem of nuclear fuel management pertaining to a 220 MWe pressurized heavy water reactor (PHWR). The study aims at finding appropriate values of reference discharge burnups of two zones of the reactor core which gives maximum fuel economy, while satisfying operational and safety-related constraints. This is a multiobjective optimization problem with four objectives and four constraints. Penalty …
Published in Journal of Nuclear Engineering & Technology · Vol. 6, Issue 1, 2016 · pp. 11–24 Read article
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Physico-Chemical Analysis of Chambal River water at two different sites of Rajasthan, India
Abstract: The physico-chemical properties of the Chambal River in the National Chambal Sanctuary have been investigated. In recent years, the deterioration of water quality has gradually made Chambal River water unsuitable for various beneficial uses. Maintaining and restoring the health of the river in terms of its ecological sustainability is today the logical necessity. The present study addresses physico-chemical parameters of the Chambal River in the national protected area of Rajasthan …
Published in Journal of Water Pollution & Purification Research · Vol. 7, Issue 3, 2020 · pp. 13–19 Read article
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Evaluation of Heavy Metal Bioaccumulation by Phytoplankton and Water, Sombriero River, Port Harcourt
Abstract: The heavy metal bioaccumulation by phytoplankton and water in Sombriero River, Port Harcourt was determined. Heavy metals and phytoplankton samples were collected from four different locations using plastic bottles and plankton net of 55um mesh size between February and April,2020. Plankton and water samples collected from the locations were analyzed for phytoplankton and concentration of the five heavy metals, iron (Fe), copper (Cu), cadmium (Cd), lead (Pb) and chromium (Cr) …
Published in Research & Reviews : Journal of Ecology · Vol. 11, Issue 2, 2022 · pp. 16–23 Read article
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Orange Peels as Biosorbent for Heavy Metals and Its Application in Water Pollution Remediation Studies
Abstract: Ecosystems and public health are seriously threatened by heavy metal poisoning of water sources, which is growing. Heavy metal removal from wastewater using conventional technologies is either costly, ineffective, or results in secondary pollutants. In this regard, biosorption has become an affordable and environmentally beneficial substitute. The mitigation study of heavy metals from wastewater is crucial for the protection of the environment and human health. Efforts have been made to …
Published in Journal of Energy, Environment & Carbon Credits · Vol. 14, Issue 3, 2024 · pp. 7–14 Read article
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Removal of Heavy Metals using Combination of Adsorbents - A Case Study using Industrial Waste Water
Abstract: Heavy metals are widely used in numerous industries such as paints and pigments, glass production, mining operation, electroplating, battery manufacturing and textile industries. The significant losses of heavy metals occur during the manufacturing processes and these lost heavy metals are discharged in the effluent. As they move from one ecological trophic level to another, metallic species start damaging the ecosystem. They also become difficult to track as they move up …
Published in Journal of Water Pollution & Purification Research · Vol. 1, Issue 2, 2014 · pp. 28–35 Read article
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Assessment of Heavy Metals in Underground Water Situated at Automobile Workshops in Ede Metropolis
Abstract: The study investigated the determination of heavy metals concentration (Co, Cd, Ni, Pb, and Cr) in underground water situated in auto-mobile workshops in Ede metropolis. Four different samples were collected, two from the auto-mobiles workshop while two were collected 50 meters away from the Auto-mobiles workshop in both local governments which served as control. The result was Cr-0.416– 0.477 mg/L; Cd-0.018–0.040 mg/L; Pb-0.038–0.066 mg/L; Ni-0.042–0.052 mg/L; Co-0.043–0.200 mg/L. Cobalt has …
Published in Research & Reviews : Journal of Statistics · Vol. 11, Issue 4, 2022 Read article
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Removal of heavy metals from waste water treatment using composite nanomaterials – A Review
Abstract: With the rapid industrial and textile development, the increasing heavy metal ions concentration in water streams has caused serious environmental problems all over the world. Removal of heavy elements and its techniques in India of earth is a biotechnological process which has been used for more than five decades for wastewater treatment. It is generally agreed that removal of heavy metals from drinking and industries side effluent waters are important …
Published in Journal of Nanoscience, NanoEngineering & Applications · Vol. 9, Issue 1, 2019 · pp. 27–44 Read article
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Assessment of Some Heavy Metals of Spring Waters and Sediments from Iddo Wara Wale Area of Dale Sadi District, Kellem Wollega, Oromia, Ethiopia
Abstract: The present study was undertaken to assess the spring water quality in Iddo Wara Wale area of Dale Sadi district, Kellem Wollega, Oromia, Ethiopia. A total of 20 L samples were collected from five densely populated springs- Ittisa, Abba Moga, Kersa, Ele Gonda and Merfata. All the samples were analyzed for six heavy metals (Mn, Cd, Cu, Cr, Fe and Zn) using standard methods. The sediment samples collected along with …
Published in Journal of Modern Chemistry & Chemical Technology · Vol. 5, Issue 2, 2014 · pp. 1–10 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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Biochemical Assessment of Fish Channa punctatus Exposed to Heavy Metal Loaded Waste Water with Serum Biochemistry and Oxidative Stress as Biomarker Responses
Abstract: Due to Rapid industrialization from past two decades, there has been increase in industrial wastes which has been discharged into the nearby water bodies, leading to the damage of the whole ecosystems and marine habitat. These industries possess a potential threat to the aquatic ecosystem besides, its flora and fauna. One such condition has been witnessed in the present study in MIDC Area of Amravati region of Maharashtra India. In …
Published in Research and Reviews: A Journal of Toxicology · Vol. 12, Issue 3, 2022 · pp. 33–42 Read article
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A Review on Removal of Heavy Metal from Polluted Water using Low Cost Bio-adsorbent
Abstract: ABSTRACTThis review paper presents the performance of natural low cost bio-adsorbent used for the removal of heavy metals from polluted water. The current study focuses on various natural low cost bio-absorbents such as native algae, papaya peel, bone powder, Nile rose plant, natural clayey, rice straw, rice bran, rice husk, coconut shell, Neem leaves, hyacinth roots, powder of heartwood, Moringa oleifera bark an agricultural solid waste, resin of mimosa tannin, …
Published in Journal of Water Pollution & Purification Research · Vol. 5, Issue 1, 2018 · pp. 1–8 Read article
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Uranium and Heavy Metal Contamination of Sirhind Canal Water and Groundwater in the Malwa Belt of Punjab and its Mitigation Strategies
Abstract: Inductively coupled plasma mass spectroscopy (ICPMS) has been used to measure the Uranium and heavy metals content of the Sirhind canal water and ground water samples of adjoining villages of the collection points along the canal. The aim of this study is to propose mitigation strategies for Uranium in the groundwater of Malwa belt. The uranium and heavy metal content of the water samples collected at the five different locations …
Published in Research and Reviews: A Journal of Toxicology · Vol. 10, Issue 1, 2020 · pp. 34–41 Read article
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A Crisis Situation Due to Uranium and Heavy Metal Contamination of Ground Waters in Punjab State, India: A Preliminary Report
Abstract: Punjab is facing a crisis situation due to high levels of uranium (U) and heavy metals in underground water table of Punjab. Uranium poisoning in Punjab first made news in March 2009, when a South African Clinical Metal Toxicologist, Carin Smit, visiting Faridkot city in Punjab found surprisingly high levels of uranium in 88% of the blood samples collected from the Baba Farid Centre for Special Children in the Malwa …
Published in Research and Reviews: A Journal of Toxicology · Vol. 7, Issue 2, 2017 · pp. 6–11 Read article
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Physicochemical and Microbiological Analysis of Consumable Water in Kolkata and Surrounding Areas
Abstract: The basic need of humans for their survival is food, water and air. Drinking water is said to be the most essential requirement for life available on Earth. The increase in population is one of the factors for the crisis of drinking water all over the state. This shortage of drinking water is due to the effects of pollution in the water samples such as mixing of sewage waters and …
Published in Research and Reviews: A Journal of Microbiology and Virology · Vol. 11, Issue 2, 2021 · pp. 6–12 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
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Machine-Learning-Assisted Development of Polymer-Biochar Composite Adsorbents for the Removal of Heavy Metals from Gomti River Water
Abstract: Rapid urbanization, industrial discharge, and agricultural runoff pose a significant threat to freshwater sustainability and public health. Within these ecosystems, polymer pollutants—such as microplastics, nanoplastics, synthetic fibres, and additive residues—have emerged as persistent vectors capable of adsorbing and transporting toxic heavy metals. Because these polymeric contaminants dynamically interact with conventional aquatic parameters to alter pollutant mobility and ecological risk profiles, there is an urgent need to transition from passive environmental …
Published in Journal of Polymer & Composites · Vol. 14, Issue 4, 2026 · pp. 72–95 Read article
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Thorium Nuclear Reactor: A Sustainable Future for Clean Energy-A Review Study
Abstract: Thorium-232, a naturally abundant and fertile element, is increasingly regarded as a viable alternative to uranium-235 as the basis of future nuclear fuel cycles. This review examines the physical and nuclear properties that make thorium attractive as a reactor fuel, the mechanics of the thorium- uranium-233 fuel cycle, and the principal reactor concepts developed to exploit it, including pressurized heavy water reactors, pressurized water reactors, fast breeder reactors, advanced heavy …
Published in Journal of Nuclear Engineering & Technology · Vol. 16, Issue 2, 2026 Read article
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SCIENTISTS REINVENT LOW ENERGY NUCLEAR REACTION (LENR)/COLD FUSION
Abstract: Two of the researchers of The University of Utah, USA in 1989 named Dr. Martin Fleishmann and Stanley Pons declared that they had discovered a sustained nuclear fusion reaction at room temperature during electrolysis experiment that could solve the problem of energy requirement on this planet. The cold fusion reaction, also called low energy nuclear reaction (LENR) takes place at room temperature, unlike conventional fusion reaction where temperature required is …
Published in Trends in Mechanical Engineering & Technology · Vol. 14, Issue 3, 2024 Read article
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Characterization studies on surface activation of phosphor bronze wire mesh via different chemical means for water distillation applications
Abstract: Surface activation of phosphor bronze structured packing modules is an important step in the manufacturing of high efficiency water distillation columns as it ensures excellent mass transfer behaviour and overall process intensification. These packed columns are used in the nuclear industry for heavy water production and purification. Activation is generally achieved through a treatment involving aqueous NaOH solution with bubbling of oxygen gas through it. This leads to the development …
Published in Journal of Nuclear Engineering & Technology · Vol. 12, Issue 2, 2022 · pp. 10–23 Read article