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Journal articles on the topic 'Compounds of heavy metals'

Author: Grafiati

Published: 28 May 2022

Last updated: 30 July 2025

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1

Yelikbayev, B. K., Marcela C. Pagano, and G. A. Jamalova. "HYPERACCUMULATOR PLANTS FOR PHYTOREMEDIATION OF SOIL CONTAMINATED WITH HEAVY METALS." BULLETIN 5, no. 387 (2020): 34–40. http://dx.doi.org/10.32014/2020.2518-1467.140.

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Environmental pollution, including pollution of urban soils by heavy metals causes serious environmental concern around the world. Heavy metals accumulate relatively quickly in soil but their removal rate is very slow. Hyperaccumulator plants help cleanse the environment from heavy metals. Phytoremediation is cleansing of soils contaminated with heavy metals, using plants that accumulate significant amounts of metals. An important environmental problem in large industrial cities is pollution by toxic compounds, including heavy metals. Due to the potential toxicity and high resistance of metals

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Mehrandish, Reza, Aliasghar Rahimian, and Alireza Shahriary. "Heavy metals detoxification: A review of herbal compounds for chelation therapy in heavy metals toxicity." Journal of Herbmed Pharmacology 8, no. 2 (2019): 69–77. http://dx.doi.org/10.15171/jhp.2019.12.

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Some heavy metals are nutritionally essential elements playing key roles in different physiological and biological processes, like: iron, cobalt, zinc, copper, chromium, molybdenum, selenium and manganese, while some others are considered as the potentially toxic elements in high amounts or certain chemical forms. Nowadays, various usage of heavy metals in industry, agriculture, medicine and technology has led to a widespread distribution in nature raising concerns about their effects on human health and environment. Metallic ions may interact with cellular components such as DNA and nuclear p

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3

Szyłak-Szydłowski, Mirosław. "Effectiveness of Removal of Humic Substances and Heavy Metals from Landfill Leachates During their Pretreatment Process in the SBR Reactor." Ecological Chemistry and Engineering S 19, no. 3 (2012): 405–13. http://dx.doi.org/10.2478/v10216-011-0030-y.

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Effectiveness of Removal of Humic Substances and Heavy Metals from Landfill Leachates During their Pretreatment Process in the SBR ReactorIn the paper the removal efficiency of heavy metals as well as humic compounds, in the treatment of leachate mixed with municipal waste in a sequencing batch reactor was studied. Also, the accumulation of those metals in the activated sludge was examined. It has been shown that the removal efficiency of contamination with humic compounds, forBxranging from 0.23 to 0.45 mg COD mg-1d.m. can reach 71÷74%. An increase in the concentrations of heavy metals in the

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4

Yudaev, Pavel, and Evgeniy Chistyakov. "Chelating Extractants for Metals." Metals 12, no. 8 (2022): 1275. http://dx.doi.org/10.3390/met12081275.

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In the present review, works on the classes of chelating extractants for metals, compounds with several amide and carboxyl groups, azomethines, oximes, macrocyclic compounds (crown ethers and calixarenes), phenanthroline derivatives, and others are systematized. This review focuses on the efficiency and selectivity of the extractants in the recovery of metals from industrial wastewater, soil, spent raw materials, and the separation of metal mixtures. As a result of this study, it was found that over the past seven years, the largest number of works has been devoted to the extraction of heavy m

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Boruszko, Dariusz, and Ada Wojciula. "Heavy metals and polycyclic aromatic hydrocarbons in leachates from autothermal thermophilic aerobic digestion as a potential threat to the environment in north-eastern Poland." Studia Quaternaria 39, no. 1 (2022): 15–22. http://dx.doi.org/10.24425/sq.2022.140882.

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This paper presents the concentrations of the polycyclic aromatic hydrocarbons (PAH) and heavy metals in leachates from the autothermal thermophilic aerobic digestion (ATAD). The leachates from ATAD installations (Dąbrowa Białostocka, Hajnówka, Pisz, Olecko, Giżycko, Wysokie Mazowieckie) located in Poland were tested. The concentrations of PAHs in samples from Pisz, Giżycko, Wysokie Mazowieckie and Hajnówka were similar to those in industrial wastewater. The cluster analysis confirmed that in sites with a higher polyethylene (p.e.) input from the industrial sector, the leachates were more cont

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Han, Yue, Zhiqiang Gong, and Mingxin Xu. "Study on the Effect of Mineral Compounds on the Behavior of Heavy Metals During Oily Sludge Incineration." Energies 18, no. 4 (2025): 834. https://doi.org/10.3390/en18040834.

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Incineration is a highly effective method for treating oily sludge. However, during the incineration process, heavy metals may either be released into the air via flue gas or remain in the bottom ash in an unstable form, posing significant environmental threats. Mineral compounds can provide adsorption sites for heavy metals and promote the stable existence of heavy metals in incineration bottom ash. In this paper, the incineration experiments of oily sludge with CaO, Fe2O3, Al2O3 and MgO were conducted using a horizontal tube furnace. The total amount, leaching characteristics, and morphologi

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Yoshii, Tomoya, Fuka Nishitsugu, Kazuki Kikawada, Kenzo Maehashi, and Takashi Ikuta. "Identification of Cadmium Compounds in a Solution Using Graphene-Based Sensor Array." Sensors 23, no. 3 (2023): 1519. http://dx.doi.org/10.3390/s23031519.

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Rapid detection of heavy metals in solution is necessary to ensure human health and environmental protection. Some heavy-metal compounds are present in solution as compounds instead of as ions owing to their low ionization. Therefore, the development of sensor devices for the detection of heavy-metal compounds is important. In this study, as a proof of concept, we propose a sensor device using graphene and a chelating agent, which were used to develop an identification technique for three types of cadmium compounds. Pristine-graphene and two types of chelator-modified graphene-based sensors we

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Salbitani, Giovanna, Viviana Maresca, Piergiorgio Cianciullo, Rosanna Bossa, Simona Carfagna, and Adriana Basile. "Non-Protein Thiol Compounds and Antioxidant Responses Involved in Bryophyte Heavy-Metal Tolerance." International Journal of Molecular Sciences 24, no. 6 (2023): 5302. http://dx.doi.org/10.3390/ijms24065302.

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Heavy-metal pollution represents a problem which has been widely discussed in recent years. The biological effects of heavy metals have been studied in both animals and plants, ranging from oxidative stress to genotoxicity. Plants, above all metal-tolerant species, have evolved a wide spectrum of strategies to counteract exposure to toxic metal concentrations. Among these strategies, the chelation and vacuolar sequestration of heavy metals are, after cell-wall immobilization, the first line of defence that prevent heavy metals from interacting with cell components. Furthermore, bryophytes acti

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Borjac, Jamilah, Manal El Joumaa, Lobna Youssef, Rawan Kawach, and Diane A. Blake. "Quantitative Analysis of Heavy Metals and Organic Compounds in Soil from Deir Kanoun Ras El Ain Dump, Lebanon." Scientific World Journal 2020 (May 26, 2020): 1–10. http://dx.doi.org/10.1155/2020/8151676.

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Recently, there has been a worldwide concern regarding soil contamination by heavy metals and organic compounds, especially in the developing countries including Lebanon that has suffered from solid waste mismanagement for decades. Deir Kanoun Ras El Ain is a village in southern Lebanon that possesses one of the country’s worst dumps, and its leachates influx into a running canal that irrigates surrounding agricultural lands. The aim of this study was to determine the levels of some toxic heavy metals and organic compounds in different soil samples collected from the dump and along the canal d

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10

Taupin, Mathieu, and Silke Paschen. "Are Heavy Fermion Strange Metals Planckian?" Crystals 12, no. 2 (2022): 251. http://dx.doi.org/10.3390/cryst12020251.

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Strange metal behavior refers to a linear temperature dependence of the electrical resistivity that is not due to electron–phonon scattering. It is seen in numerous strongly correlated electron systems, from the heavy fermion compounds, via transition metal oxides and iron pnictides, to magic angle twisted bi-layer graphene, frequently in connection with unconventional or “high temperature” superconductivity. To achieve a unified understanding of these phenomena across the different materials classes is a central open problem in condensed matter physics. Tests whether the linear-in-temperature

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11

Jo, Kyungkeun. "The Change of Forward Osmosis Filtration Performance by Trace Organic Compounds in Heavy Metal Removal by Forward Osmosis Filtration." Journal of Korean Society of Environmental Engineers 43, no. 3 (2021): 187–95. http://dx.doi.org/10.4491/ksee.2021.43.3.187.

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Objectives : The purpose of this study was to examine how the presence of trace organic compounds (TROCs) affects water flux and heavy metal rejection in forward osmosis (FO) filtration when feed solution (FS) contains TROCs and heavy metals.Methods : Four FS (① only heavy metals, ② heavy metals and Trimethoprim, ③ heavy metals and Ibuprofen, ④ heavy metals and Triclosan) were used, and the FO filtration experiments were conducted to perform comparative analysis on the water flux and the rejection rate depending on the FS type.Results and Discussion : The water flux was higher when FS containe

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Wu, Jie, Ling Yun Mo, Li Tang Qin, Zong Qiang Zhu, and Yi Nian Zhu. "Research Advancement of the Joint Toxicity of Heavy Metals Mixture." Applied Mechanics and Materials 522-524 (February 2014): 532–36. http://dx.doi.org/10.4028/www.scientific.net/amm.522-524.532.

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Some researches on heavy metals treatment and disposal methods have been reported, the studies related to the single heavy metal toxicity are developed, but the relatively on toxicity of multi-compounds heavy metals and their mixture have been poorly discussed. This article describes the levels of single heavy metals, compares the strengths and weaknesses of diferent test methods, emphasizes on the characteristics of joint toxicity with mixture. The analysis results discover that the combined toxicity of heavy metals vary with different mixtures combinations, test target, methods and some pred

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Ahmed, Abderrazzak Baba, and Tahar Kebi. "Phytochemical Screening and Evaluation of Heavy Metals in a Medicinal Plant Marrubium Vulgare L." International Journal of Circuits, Systems and Signal Processing 17 (March 13, 2023): 107–11. http://dx.doi.org/10.46300/9106.2023.17.13.

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Our research is part of the enhancement of our plant heritage that we deemed necessary to exploit it, our choice fell on a medicinal plant Marrubium vulgare L and this by the phytochemical characterization (of leaves, stems and roots) followed by the study of the xerophytic character, by determining the content of five heavy metals (Zinc, Copper, Cadmium, Lead and Chromium)in the different organs and by analysis with atomic absorption spectrometry (AAS). The results of the phytochemical tests showed the richness in secondary compounds, namely: flavonoids, tannins, saponosides, coumarins and re

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Opriș, Ocsana, Ildiko Lung, Katalin Gméling, et al. "Responses of the Allium cepa L. to Heavy Metals from Contaminated Soil." Plants 13, no. 20 (2024): 2913. http://dx.doi.org/10.3390/plants13202913.

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Heavy metals can accumulate and migrate in soil environments and can negatively affect crops and consumers. Because an increased incidence of chronic diseases can be observed, food security has become a high-priority concern. In the present work, we evaluate the impact of heavy metals on bioactive compounds and elemental content from onions. Plants were grown in the absence and presence of various concentrations of heavy metal salts (Pb, Mn, Cu, Zn, Ni and Cd). The influence of heavy metal salts on onions was evaluated by analyzing the content of bioactive compounds, antioxidant capacity, and

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Mahurpawar, Manju. "EFFECTS OF HEAVY METALS ON HUMAN HEALTHEFFECTS OF HEAVY METALS ON HUMAN HEALTH." International Journal of Research -GRANTHAALAYAH 3, no. 9SE (2015): 1–7. http://dx.doi.org/10.29121/granthaalayah.v3.i9se.2015.3282.

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Some heavy metals have bio-importance as trace elements but the biotoxic effects of many of them in human biochemistry are of great concern. Hence, there is a need for proper understanding of mechanism involved, such as the concentrations and oxidation states, which make them harmful. It is also important to know their sources, leaching processes, chemical conversions and their modes of deposition in polluting the environment, which essentially supports life. Literature sources point to the fact that these metals are released into the environment by both natural and anthropogenic means, especi

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Jadon, Pradeep Kumar, and Sudeshana Yadav. "Toxicity of Heavy Metals to the Human Health and Environment." Journal of Ultra Chemistry 18, no. 4 (2022): 44–50. http://dx.doi.org/10.22147/juc/180401.

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Almost each heavy metal is serious toxicants as carcinogens. Heavy metals are kept under environmental pollutant category due to their toxic effects in plants, human and food. These are heavy metals persistence, accumulate and not metabolized in other intermediate compounds and do not easily breakdown in environment. Heavy metals are naturally occurring elements, and are present in varying concentrations in all ecosystems. Some of the heavy metals i.e. Arsenic (As), Cadmium (Cd), Lead (Pb), Mercury (Hg) are accumulative poison. Arsenic (As), cadmium (Cd), chromium (Cr), and nickel (Ni) are cat

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SCHROEDER, A., G. AEPPLI, P. COLEMAN, et al. "QUANTUM CRITICAL FLUCTUATIONS IN HEAVY FERMION COMPOUNDS." International Journal of Modern Physics B 16, no. 20n22 (2002): 3031–36. http://dx.doi.org/10.1142/s0217979202013493.

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The electronic properties of heavy fermion alloys are dominated by spin fluctuations which are expected to become critical when tuned by pressure to a quantum critical point (QCP), entering a magnetic ordered state. Apart from the onset of exotic superconductivity, unexpected "normal conducting" behavior is found close to the QCP, which does not seem only to escape the conventional view of metals (Fermi liquids) but also the "conventional view" of an antiferromagnetic quantum phase transition in these f-metals. So far only few compounds have been investigated by neutron scattering to directly

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18

Mancinelli, Maura, Antonella Arfè, Annalisa Martucci, et al. "Evaluation for the Removal Efficiency of VOCs and Heavy Metals by Zeolites-Based Materials in the Wastewater: A Case Study in the Tito Scalo Industrial Area." Processes 8, no. 11 (2020): 1519. http://dx.doi.org/10.3390/pr8111519.

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The current study was designed to demonstrate the efficiency of selected zeolites in the immobilization of heavy metals and volatile organic compounds from water in the industrial area of Tito Scalo (Basilicata Region in Southern Italy). The efficiency of zeolite materials has been evaluated by analyzing real water samples, by a multi-technique approach. Gas chromatography (GC) and inductively coupled plasma optical emission spectrometry (ICP-OES) were selected for the detection of volatile organic compounds (VOCs) and heavy metals respectively, and then by thermal analysis (TG, DTA) and X-ray

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Karimov, Amir Andarmonovich. "ACCUMULATION OF HEAVY METALS IN PLANTS." GOLDEN BRAIN 1, no. 5 (2023): 148–57. https://doi.org/10.5281/zenodo.7677032.

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<em>The intensification of industrial and agricultural production, the development of transport and the intensification of mining activities inevitably lead to the pollution of natural ecosystems. At the same time, soil is one of the main objects of pollution. As a result of pollution, the quality of soil and agricultural land decreases. One of the most serious aspects of this problem is that compounds that fall into the soil are absorbed by plants and accumulate in them in concentrations dangerous to human and animal health.</em>

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20

Duffus, John H. ""Heavy metals" a meaningless term? (IUPAC Technical Report)." Pure and Applied Chemistry 74, no. 5 (2002): 793–807. http://dx.doi.org/10.1351/pac200274050793.

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Over the past two decades, the term "heavy metals" has been widely used. It is often used as a group name for metals and semimetals (metalloids) that have been associated with contamination and potential toxicity or ecotoxicity. At the same time, legal regulations often specify a list of "heavy metals" to which they apply. Such lists differ from one set of regulations to another and the term is sometimes used without even specifying which "heavy metals" are covered. However, there is no authoritative definition to be found in the relevant literature. There is a tendency, unsupported by the fac

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Thilakan, Deepika, Jaie Patankar, Srushti Khadtare, et al. "Plant-Derived Iron Nanoparticles for Removal of Heavy Metals." International Journal of Chemical Engineering 2022 (April 18, 2022): 1–12. http://dx.doi.org/10.1155/2022/1517849.

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Nanoparticle synthesis has seen exponential development recently as its characteristics of high surface area, high rate of adsorption, and easy, cost-effective synthesis have been exploited for the purpose of ground water purification via the removal of organic and inorganic compounds, along with the removal of heavy metals and microbes. The synthesis of Zero-Valent Iron Nanoparticles (ZVI NPs) by green methods has proved to be environmentally friendly in many ways as it employs the use of naturally occurring plant extracts. These nanoparticles have large surface areas and efficiently remove h

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Yang, Lina, Keshu Shen, and Dongping Ji. "Natural compounds attenuate heavy metal-induced PC12 cell damage." Journal of International Medical Research 48, no. 6 (2020): 030006052093084. http://dx.doi.org/10.1177/0300060520930847.

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Objectives To investigate the neuroprotective effects of six natural compounds (caffeine, gallic acid, resveratrol, epigallocatechin gallate [EGCG], L-ascorbic acid and alpha tocopherol [Vitamin E] on heavy metal-induced cell damage in rat PC12 cells. Methods In this in vitro experiment, rat PC12 cells were exposed to four heavy metals (CdCl2, HgCl2, CoCl2 and PbCl2) at different concentrations and cell apoptosis, necrosis and oxidative stress were assessed with and without the addition of the six natural compounds. Results The metals decreased cell viability but the natural compounds attenuat

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Djunaidi, Muhammad Cholid, and Khabibi Khabibi. "Potential Adsorption of Heavy Metal Ions by Eugenol Compounds and Derivatives through Ion Imprinted Polymer." Jurnal Kimia Sains dan Aplikasi 22, no. 6 (2019): 263–68. http://dx.doi.org/10.14710/jksa.22.6.263-268.

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Research on the potential of Ion Imprinted Polymer (IIP) selective adsorption of heavy metals using eugenol compounds and their derivatives has been carried out. Isolation and synthesis of eugenol derivatives with metal selective active groups and their use as selective metal carriers have been carried out with satisfactory results. Carrier effectiveness can still be improved by methods that focus on the target molecule recognition model. This adsorption method is called Ion Imprinted Polymer (IIP). The main components of IIP are functional monomers, crosslinkers, and target molecules. The use

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Wiewióra, Barbara, and Grzegorz Żurek. "The Response of the Associations of Grass and Epichloë Endophytes to the Increased Content of Heavy Metals in the Soil." Plants 10, no. 3 (2021): 429. http://dx.doi.org/10.3390/plants10030429.

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The rapid development of civilization increases the area of land exposed to the accumulation of toxic compounds, including heavy metals, both in water and soil. Endophytic fungi associated with many species of grasses are related to the resistance of plants to biotic and abiotic stresses, which include heavy metals. This paper reviews different aspects of symbiotic interactions between grass species and fungal endophytes from the genera Epichloë with special attention paid to the elevated concentration of heavy metals in growing substrates. The evidence shows the high resistance variation of p

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Гришко, В. Н., and О. Н. Кориновская. "MICROMYCETES STABILITY TO THE HEAVY METALS COMPOUNDS JOINT ACTION." Microbiology&Biotechnology, no. 3(19) (September 15, 2012): 82–90. http://dx.doi.org/10.18524/2307-4663.2012.3(19).92648.

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Chekushin, V. S., N. V. Oleynikova, S. P. Baksheev, and A. V. Dontsov. "Direct Reduction of Heavy Nonferrous Metals from Sulfide Compounds." Russian Journal of Non-Ferrous Metals 61, no. 6 (2020): 601–7. http://dx.doi.org/10.3103/s106782122006005x.

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Vodyanitskii, Yu N. "Natural and technogenic compounds of heavy metals in soils." Eurasian Soil Science 47, no. 4 (2014): 255–65. http://dx.doi.org/10.1134/s1064229314040103.

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Sheikh, M. A., N. M. Noah, K. Tsuha, and T. Oomori. "Occurrence of tributyltin compounds and characteristics of heavy metals." International Journal of Environmental Science & Technology 4, no. 1 (2007): 49–59. http://dx.doi.org/10.1007/bf03325961.

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Mirkov, Ivana, Dejan Stojković, Aleksandra P. Aleksandrov, et al. "Plant Extracts and Isolated Compounds Reduce Parameters of Oxidative Stress Induced by Heavy Metals: An up-to-Date Review on Animal Studies." Current Pharmaceutical Design 26, no. 16 (2020): 1799–815. http://dx.doi.org/10.2174/1381612826666200407163408.

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Background: Heavy metals are elements that are naturally found in the earth. They are used in many modern-day applications in agriculture, medicine, and industry. Heavy metal poisoning occurs when the body’s soft tissues absorb too much of a particular metal. The heavy metals of interest for this review paper were cadmium, arsenic, mercury, and lead since these are the most common metals that the human body can absorb in toxic amounts. Different plant species were investigated in recent years for their effect on oxidative stress parameters after intoxication with heavy metals. Objectives: This

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Kholikulov, Shodi, Isomiddin Bobobekov, Tursunboy Yakubov, and Barchinoy Botirova. "Influence of gas industry waste on the ecological condition of soils." E3S Web of Conferences 462 (2023): 03045. http://dx.doi.org/10.1051/e3sconf/202346203045.

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The article discusses the accumulation of various harmful compounds and heavy metals in the soil as a result of the wastes of the gas processing enterprise of the “Shurtangazkimyo” complex and their negative impact on soil fertility and ecological conditions. The irrigated light serozem soils around the “Shurtangazkimyo” complex are extremely poor in humus. As a result of the impact of waste, the biological processes in the soil are weakened, and the accumulation of organic substances is reduced. The accumulation of various harmful compounds and heavy metals in the soil as a result of the acti

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Kovářová, Jana, and Zdeňka Svobodová. "Can thiol compounds be used as biomarkers of aquatic ecosystem contamination by cadmium?" Interdisciplinary Toxicology 2, no. 3 (2009): 177–83. http://dx.doi.org/10.2478/v10102-009-0013-3.

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Can thiol compounds be used as biomarkers of aquatic ecosystem contamination by cadmium?Due to anthropogenic activities, heavy metals still represent a threat for various trophic levels. If aquatic animals are exposed to heavy metals we can obviously observe considerable toxicity. It is well known that an organism affected by cadmium (Cd) synthesize low molecular mass thiol compounds rich in cysteine (Cys), such as metallothioneins (MT) and glutathione (GSH/GSSG). The aim of this study was to summarize the effect of Cd on level of thiol compounds in aquatic organisms, and evaluate that the con

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Paramasivam, Primilla, and Gaanty Pragas Maniam. "Removal of Heavy Metals from Petroleum Industry Wastewater Using Indigenous Microalgae <i>Scenedesmus </i>sp." Key Engineering Materials 974 (February 16, 2024): 25–30. http://dx.doi.org/10.4028/p-ledw39.

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Petroleum industry effluents contain hazardous compounds such as heavy metals, which can damage the environment and human health. In this work, petroleum wastewater used as a medium to culture marine algae Scenedesmus sp. with the aim of removing maximum heavy metals. The efficiency of Scenedesmus sp. were examined in laboratory scale for elimination of COD, BOD and total petroleum heavy metals. The marine algae were monitored in pure petroleum wastewater as well as 25%, 50% and 75% diluted wastewater samples which conducted for 15 days. At the condition of 27 ± 2 °C, Scenedesmus sp. removed 3

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Ludwig, C., A. J. Schuler, J. Wochele, and S. Stucki. "Measuring heavy metals by quantitative thermal vaporization." Water Science and Technology 42, no. 7-8 (2000): 209–16. http://dx.doi.org/10.2166/wst.2000.0571.

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It is our vision to separate volatile toxic contaminants from waste by thermal treatment. In this context the evaporation behavior of heavy metal traces (Cd, Cu, Pb, and Zn) from model compounds and mixtures, and from fly ash (FA) of municipal solid waste incineration (BCR No. 176) was investigated. In this study we tested a new method which allows on-line detection of heavy metals in hot gases using conventional Inductively Coupled Plasma Optical Emission Spectroscopy (ICP-OES) equipment. A quantitative relation between the amount of evaporated heavy metal traces and the ICP-OES signal was es

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Hernández-Caricio, Carmelo, Verónica Ramírez, Javier Martínez, et al. "Los metales pesados en la historia de la humanidad, los efectos de la contaminación por metales pesados y los procesos biotecnológicos para su eliminación: el caso de Bacillus como bioherramienta para la recuperación de suelos." Alianzas y Tendencias BUAP 7, no. 27 (2022): 1–68. https://doi.org/10.5281/zenodo.7091407.

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<strong>RESUMEN</strong> El término “metales pesados” se refiere al grupo de metales con número atómico superior a 20 y caracterizados por una densidad atómica mayor a 5 g·cm<sup>-3</sup>. Los metales pesados son elementos naturales de la corteza terrestre, y su distribución es dada por fuentes geogénicas. Los metales pesados son de suma importancia para el mundo moderno, y requeridos en grandes cantidades por la sociedad actual; sin embargo, se caracterizan por sus efectos tóxicos, y son peligrosos porque tienden a bioacumula

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Gadirova, Elmina. "POLLUTION LEVEL OF OIL INDUSTRIAL WATER SAMPLES." WATER AND WATER PURIFICATION TECHNOLOGIES. SCIENTIFIC AND TECHNICAL NEWS 34, no. 3 (2023): 57–63. http://dx.doi.org/10.20535/2218-930032022243415.

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Organic toxic compounds such as polycyclic aromatic hydrocarbons, phenolic compounds are a global environmental concern as they cause inflammation and skin cancer. As you know there are two types of anthropogenic sources of hydrocarbons: petrogenic and pyrogenic sources. Petrogenic sources include crude oil and petroleum-derived hydrocarbon compounds. Pyrogenic sources of hydrocarbon compounds are formed as a result of incomplete combustion of organic substances such as oil, wood, coal. Before entering the open sea these oil products pass through the entire coastal zone. It is known that indus

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Ramya, S., S. Shakila Banu, G. Krishnamoorthy, R. Senthamarai, and J. Ijaz Ahamed. "DETERMINATION OF LEAD, CADMIUM, MERCURY AND ARSENIC HEAVY METALS IN RUMEX VESICARIUS LINN. BY ATOMIC ABSORPTION SPECTROSCOPY METHOD." YMER Digital 21, no. 01 (2022): 516–20. http://dx.doi.org/10.37896/ymer21.01/46.

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Heavy metals are compounds or elements having relatively high density and toxicity at low concentration. Mercury, Cadmium, Arsenic, Chromium, Thallium and Lead are commonly found in plants it can be analysed by using Atomic Absorption Spectroscopy (AAS) method. Heavy metals are of two types. i) Toxic, ii) Essential Lead, Cadmium, Mercury and Arsenic are toxic heavy metals that causes metal poisoning to the patients. The purpose of the study is to determine the heavy metal content in the medicinal plant of Rumex vesicarius Linn. Plant, which has antiemetic, antibacterial, antioxidant, antidiarr

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Yue, Tao, Fan Wang, Bin Jie Han, Peng Lai Zuo, and Fan Zhang. "Analysis on Pb, Cd, Cr, As, Mn Emission and Control Technology of Typical Industries." Advanced Materials Research 610-613 (December 2012): 1176–87. http://dx.doi.org/10.4028/www.scientific.net/amr.610-613.1176.

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The heavy metals including Pb, Cd, Cr, As and Mn emission characteristics of coal-fired power plant boilers, industrial boilers, lead and zinc smelters, cement kilns, and steel industries were studied in this paper. The removing effects of heavy metals by pollution control technology were analyzed. ICP-AES method was used to measure the contents of heavy metals in solid samples. In addition, M-29, the U.S. EPA isokinetic sampling method was used to sample heavy metals in the flue gas, and the sampled heavy metals were tested by ICP-AES-hydride generator system. For coal-fired boilers, heavy me

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Srivastava, Madhu Prakash, Nupur Srivastava, Neeta Sharma, and Yogesh Kumar Sharma. "Bioremediation of Toxic Heavy Metals Cr (VI) from Tannery Effluent using Micro-Organisms: Biotechnological Potential." INTERNATIONAL JOURNAL OF PLANT AND ENVIRONMENT 4, no. 01 (2018): 41–48. http://dx.doi.org/10.18811/ijpen.v4i01.11612.

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Increased industrialization and human activities have impacted on the environment through disposal waste containing heavy metals. Heavy metals pollution of agricultural soil has been mainly due to the disposal of industrial wastewater, sewage and sewage sludge to agricultural land. Conventional methods for the removal of heavy metals from aqueous solutions are not economically and environmental friendly because it has produced massive quantity of toxic chemical compounds. Naturally fungi have a large variety of extracellular proteins, organic acids and other metabolites. Fungi can adapt in any

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Kramareva, T., N. Gorbunova, E. Tikhonova, A. Gromovik, and E. Kulikova. "Features of the migration of heavy metals in the forest landscapes of the ’Kamennaya Steppe’." IOP Conference Series: Earth and Environmental Science 875, no. 1 (2021): 012021. http://dx.doi.org/10.1088/1755-1315/875/1/012021.

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Abstract The article examines the influence of woody vegetation on the change in some soil properties. Numerous studies have confirmed the change in the water regime under forest belts. Such dynamics entails the transformation of morphological characteristics and the following basic soil properties: pH of the soil solution, carbon of organic compounds. The evolution of properties causes changes in the total content of heavy metals: nickel (Ni), lead (Pb), cadmium (Cd) and their exchange compounds. The features of the profile distribution of Ni, Pb and Cd in the chernozems of the forest belt ha

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Kramareva, Tat'yana, Nadezhda Gorbunova, and Elena Kulikova. "MIGRATION FEATURES OF HEAVY METALS IN FOREST LANDSCAPES." Forestry Engineering Journal 11, no. 4 (2022): 68–78. http://dx.doi.org/10.34220/issn.2222-7962/2021.4/6.

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The use of field-protective forest plantations in the forest-steppe and steppe zones of the Central Black Earth region is an effective reclamation technique. Forest belts reduce wind speed, reduce the harmful effects of dry winds. An important feature of forest belts is the accumulation and uniform distribution of snow in the fields. This leads to an improvement in the water balance, and at the same time to the transformation of soils. According to the data obtained, a significant reliable change in chernozems under the influence of forest belts in the conditions of the Kamennaya Steppe was re

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Havryliuk, О. A., V. M. Hovorukha, A. V. Sachko, G. V. Gladka, I. O. Bida, and O. B. Tashyrev. "Bioremoval of hazardous cobalt, nickel, chromium, copper and cadmium compounds from contaminated soil by Nicotiana tabacum plants and associated microbiome." Biosystems Diversity 29, no. 2 (2021): 88–93. http://dx.doi.org/10.15421/012112.

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Contamination of soils with heavy metals leads to reduction of soil fertility, destruction of natural ecosystems and detrimental effects on the health of society by increasing content of metals in the food chains from microorganisms to plants, animals and humans. Bioremediation is one of the most promising and cost-effective methods of cleaning soils polluted with toxic metals. According to current researchers, microorganisms and plants have the genetic potential to remove toxic metals from contaminated sites. The method of thermodynamic prediction was used to theoretically substantiate the me

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Sorokin, Andrey, Sergey Belopukhov, Vladimir Gukalov, Vitaly Savich, Ravil Baibekov, and Nikolay Tyutrin. "Properties, processes and modes characterizing the state of heavy metals in soils." E3S Web of Conferences 285 (2021): 06007. http://dx.doi.org/10.1051/e3sconf/202128506007.

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The study proves the expediency of assessing the state of heavy metals in soils by the fractional composition of soil compounds, processes and modes. An informational and energy analysis of the state of heavy metals in soils was carried out. The need for an assessment of the kinetics of their desorption from soils was substantiated. The CH3 COONH4 solution displaced 0.3 mg/l Mn from the sod-podzolic soil within 10 minutes, 0.8 mg/l Mn – within 1 hour, 3.3 mg/l Mn – within 1 day, and 12.9 mg/l – within one week; 0.18 mg/L Pb was desorbed within 10 minutes, up to 0.59 mg/l Pb was desorbed within

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Wang, Yegui, Weifang Chen, Yifan Chen, Shuyue Zhang, and Baoqing Deng. "Volatilization and Retention of Metallic and Non-Metallic Elements During Thermal Treatment of Fly Ash." Materials 18, no. 6 (2025): 1319. https://doi.org/10.3390/ma18061319.

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This research investigated the volatilization and enrichment of metallic and non-metallic elements in municipal solid waste incineration fly ash during thermal treatment. The high-temperature treatment resulted in both the volatilization and stabilization of heavy metals in fly ash. The split of volatilization and stabilization depended highly on the original speciation. The results showed that loosely bound heavy metals were the main contributors to the leaching toxicity of the raw fly ash. These metals were also easily volatilized. The volatilization of heavy metals was accompanied by de-chl

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Wierzbicka, Małgorzata, Agnieszka Abratowska, Olga Bemowska-Kałabun, et al. "Micro-Evolutionary Processes in Armeria maritima at Metalliferous Sites." International Journal of Molecular Sciences 24, no. 5 (2023): 4650. http://dx.doi.org/10.3390/ijms24054650.

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Tolerance to heavy metals in plants is a model process used to study adaptations to extremely unfavorable environments. One species capable of colonizing areas with high contents of heavy metals is Armeria maritima (Mill.) Wild. A. maritima plants growing in metalliferous areas differ in their morphological features and tolerance levels to heavy metals compared to individuals of the same species growing in non-metalliferous areas. The A. maritima adaptations to heavy metals occur at the organismal, tissue, and cellular levels (e.g., the retention of metals in roots, enrichment of the oldest le

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Rogel-Castillo, Cristian, Monica Latorre-Castañeda, Camila Muñoz-Muñoz, and Cristian Agurto-Muñoz. "Seaweeds in Food: Current Trends." Plants 12, no. 12 (2023): 2287. http://dx.doi.org/10.3390/plants12122287.

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Edible seaweeds are an excellent source of macronutrients, micronutrients, and bioactive compounds, and they can be consumed raw or used as ingredients in food products. However, seaweeds may also bioaccumulate potentially hazardous compounds for human health and animals, namely, heavy metals. Hence, the purpose of this review is to analyze the recent trends of edible seaweeds research: (i) nutritional composition and bioactive compounds, (ii) the use and acceptability of seaweeds in foodstuffs, (iii) the bioaccumulation of heavy metals and microbial pathogens, and (iv) current trends in Chile

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Ma'rifah, Amriyah Ummi, Yustinus Ulung Anggraito, and Ning Setiati. "LITERATURE REVIEW: METALLOTHIONEIN SEBAGAI PROTEIN PENGIKAT LOGAM UNTUK BIOREMEDIASI LOGAM BERAT." BIOPENDIX: Jurnal Biologi, Pendidikan dan Terapan 10, no. 2 (2024): 186–93. http://dx.doi.org/10.30598/biopendixvol10issue2page186-193.

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Background: The purpose of bioremediation is to remove or reduce dangerous compounds to improve environmental quality, one of which is heavy metals. Metal-binding proteins can minimize the impact of heavy metal pollution from the environment. This metal binding protein can accumulate metals by microorganisms. One of the known metal-binding proteins is metallothioneins (MTs). This protein can minimize the effects of heavy metals in the environment by creating protein-metal ion complex bonds. This review article provides a comprehensive insight into the role of metallothionein as a metal-binding

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Jacobsen, B. N., and T. Guildal. "Novel aspects for management of xenobiotic compounds in wastewater treatment plants – linking theory, field studies, regulation, engineering, and experience." Water Science and Technology 42, no. 7-8 (2000): 315–22. http://dx.doi.org/10.2166/wst.2000.0584.

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Management aspects for control of environmental contaminants has widened from being focussed on heavy metals to a broader approach including specific organic compounds, inhibition of sensitive bacteria or algae, and newly identified environmental issues, e.g., endocrine disruption and antibiotic resistance. Studies conducted at the Avedøre WWTP confirm the relevance of such newly discovered environmental problems, however, the order of magnitude of the effects do not seem alarming. It is recommended in future research to establish links between occurrence of specific organic compounds and heav

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Huang, Ying, YongXia Li, Jian Yang, et al. "Harmful Chemicals in Soil and Risk Assessment of an Abandoned Open Dumpsite in Eastern China." Journal of Chemistry 2015 (2015): 1–10. http://dx.doi.org/10.1155/2015/297686.

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The concentrations of pollutants in soil samples collected in and around a dumpsite in Heze, Shandong, China, were investigated, and the potential ecological and health risks of these pollutants were assessed. Seventeen soil samples from five different locations were analysed for pollution characteristics, and the target pollutants included inorganic pollutants and heavy metals as well as volatile organic compounds/semivolatile organic compounds (VOCs/SVOCs). Results showed that the mean concentration level of each pollutant from the interior area was relatively higher than that from the bound

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Ivashchenko, A., A. Ivashchenko, and V. Andreev. "Problem of soil Pollution by heavy metals." Interdepartmental Thematic Scientific Collection of Plant Protection and Quarantine, no. 63 (November 20, 2017): 69–76. http://dx.doi.org/10.36495/1606-9773.2017.63.69-76.

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An important environmental problem of the present is the accumulation of toxic metals in soils. Based on the analyzed literary sources, it is shown that the most contaminated territories of our country are urbanized areas of the central and south-eastern regions. Among the pollutants of metals, the most common and toxic are lead, zinc, copper, cadmium, nickel and aluminum. Mobility and bioavailability of heavy metals and aluminum is directly proportional to the acidity of the soil. Taking into account the potential hazard of toxic metals for living organisms, the urgent task of scientists is t

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Evdokimov, Alexander. "Heavy metals in the organic soil horizon of the Northern taiga forests resulting from industrial air pollution." E3S Web of Conferences 169 (2020): 01011. http://dx.doi.org/10.1051/e3sconf/202016901011.

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This study focuses on heavy metals contained in organic soil horizons resulting from the industrial air pollution caused by local enterprises. Polymetallic dust containing heavy metals is one of the main by-products in the smelting of non-ferrous metals. We evaluated the contents of Ni, Cu, and Co in the upper soil horizons containing the maximum amount of these pollutants (due to the formation of stable compounds with organic components of these horizons). Sampling was carried out at various distances from the source of pollution at previously established test sites. The study found acid-solu

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