hydrocarbon concentration in aquatic plants
Estimation of total hydrocarbon concentrations in
2019.6.24 Concentrations of total petroleum hydrocarbons in water was ranged between 1.05 µg/l in the first station during summer and 6.78 µg/l in the first station during spring ,while in sediments they...
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Analytical Aspects of the Determination of the Total Concentration
2018.12.21 Problems of determining the total concentration of anthropogenic and biogenic hydrocarbons in aquatic ecosystems are discussed. Hydrocarbons
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Polycyclic Aromatic Hydrocarbons (PAHs) in inland
2018.10.1 Rajesh Ramanathan b , Vipul Bansal b Add to Mendeley doi/10.1016/j.envpol.2018.05.016 Get rights and content Highlights • A holistic
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Aquatic plants and ecotoxicological assessment in
2020.11.26 The most widely tested toxicants on plants were heavy metals (74%), followed by pharmaceutical products and hydrocarbons (7%), while the most commonly
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Large-scale remediation of oil-contaminated water using
2019.1.10 Crude oil consists of various proportions of different hydrocarbons, such as alkanes, aromatics, and polycyclic aromatic
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Plant-assisted remediation of hydrocarbons in water and
2020.5.1 Phytoremediation is a promising method to degrade petroleum hydrocarbons in contaminated soil, with many advantages over other relevant
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Petroleum hydrocarbons in aquatic ecosystems — behavior and
2009.1.9 This review collates and evaluates the results of research concerned with the effects of sublethal concentrations of petroleum hydrocarbons on aquatic organisms
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Petroleum hydrocarbon (PHC) uptake in plants: A literature review
2018.11.1 Aquatic plants have many applications in the treatment of contamination with hydrocarbons and heavy elements, due to much lower cost and higher efficiency.
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Distribution and accumulation of polycyclic aromatic
2015.3.12 The concentrations of total PAHs were 27.54–55.04 ng L–1 in water, 80.31–639.23 ng g−1 dry weight (dw) in sediments, 20.92–192.78 ng g−1 dw in aquatic
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Total Hydrocarbon Contents: Spatial Variations in Aquatic
The total hydrocarbon content obtained from the various locations in surface water were Umuagbai (8.529±1.208 mg/L), Komkom (9.212±1.009 mg/L), Izuoma (6.701±1.670
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Heavy hydrocarbon fate and transport in the environment
2017.6.15 The vast majority of heavy hydrocarbon constituents have log K ow values considerably greater than 6.0, which is the approximate cut-off for toxicity of hydrocarbons to aquatic, sediment and terrestrial dwelling organisms (Redman et al. 2012, 2014) Thus, significant changes in overall polarity, through increased heteroatom (N, S,
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Level of Petroleum Hydrocarbons in Water and Sediments of
2019.7.10 Objective This study investigated the level Petroleum hydrocarbon in Ikoli creek, Bayelsa state Nigeria with focus on water and sediments. Methods Water and sediments were assessed using standard analytical procedures. Water from surface levels and sediment samples were collected from five locations in the creek. Soxhlet extraction
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A review on polycyclic aromatic hydrocarbons ... - ScienceDirect
2022.5.10 Following Incardona et al. (2006), the underlying mechanisms of toxic action in the aquatic biota are various and can be grouped as: (1) “dioxin-like” toxicity, mediated by activation of the aryl hydrocarbon receptor (AHR), which controls a group of genes involved in PAHs metabolism, and (2) “nonpolar narcosis”, mediated by
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Petroleum hydrocarbon (PHC) uptake in plants: A literature review
2019.2.1 Between the time the plant is initially exposed to PHC and the time PHC is measured in plant tissue, the concentration of PHC in the plant may be reduced by degradation within the plant. Once inside a plant, hydrocarbons, especially n-alkanes (C 10–22 ) are initially oxidized to the corresponding alcohol, then to fatty acids and
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Ecological Impacts of Total Petroleum Hydrocarbons
2019.8.14 Contamination of soil and aquatic ecosystems by petroleum hydrocarbons (PHs) is a serious global issue. The total petroleum hydrocarbons (TPHs) that originate from the distillates of crude oil in the form of diesel, gasoline, lubricating oil, and other typical PHs received much attention globally as contaminants since they are highly toxic ...
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Total Hydrocarbon Contents: Spatial Variations in Aquatic
3.1. Levels of Total Hydrocarbon Contents in Water The result of the Total hydrocarbon contents in surface water from the study area is shown in Tables 1. Table 1. Total hydrocarbon contents in surface water (mg/L) from the study area. S/No Location Station I Staion II Mean WHO 1 Umugbai 7.321 9.737 8.529±1.208 10
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Effect of petroleum hydrocarbon pollution levels on the soil ...
2022.1.15 Petroleum hydrocarbon pollution is a global problem. However, the effects of different petroleum pollution levels on soil microbial communities and ecological functions are still not clear. In this study, we analyzed the changes in microbial community structures and carbon and nitrogen transformation functions in oil-contaminated soils at
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Aquatic plants and ecotoxicological assessment in freshwater
2020.11.26 The most common responses concern plant growth inhibition, and alteration in photosynthesis and respiration (Marwood et al. 1999; Aronsson and Ekelund 2005; Grote et al. 2005; Engel et al. 2015; Bi et al. 2016; Kottuparambil and Park 2019), such as it was also highlighted by the study of El-Dib et al. (2001), where the increase in
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Recent trends in polycyclic aromatic hydrocarbons pollution ...
2023.10.1 The performance of aquatic plants and algae, which are crucial for preserving the quality of the water and the oxygen levels in aquatic systems, can also be hampered by PAHs. Through improved pollution control strategies and the application of cleaner technologies, it is crucial to reduce the release of PAHs into the environment to
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Aquatic Toxicity - ChemSafetyPro.COM
2016.3.23 Aquatic toxicity is defined as the study of the effects of a chemical substance to aquatic species which is usually determined on organisms representing the three trophic levels, i.e. vertebrates (fish), invertebrates (crustaceans as Daphnia) and plants (algae). In this article, we will summarize how study results are given (LC50,
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Distribution and accumulation of polycyclic aromatic ... - Springer
2015.3.12 The concentrations of polycyclic aromatic hydrocarbons (PAHs) were analyzed in water, sediment, and biota (aquatic plant, shrimp, and fish) of Nansi Lake by gas chromatography–mass spectrometry (GC–MS). The concentrations of total PAHs were 27.54–55.04 ng L–1 in water, 80.31–639.23 ng g−1 dry weight (dw) in sediments,
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Assessing and Modelling the Efficacy of - Nature
2020.5.22 Previous studies have provided insights on the potentials of aquatic plants including duckweeds to accumulate, sequester and degrade organic compounds 46,48. Figure 8 TPH bioaccumulation and ...
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A biogeochemical–hydrological framework for the role of ... - Nature
2021.5.6 Redox-driven biogeochemical element cycles play a central role in converting organic matter in aquatic ecosystems. They also perform key functions such as removing nitrate, mitigating the ...
اObtener precioPolycyclic Aromatic Hydrocarbons: Sources, Toxicity, and
2020.11.5 Polycyclic aromatic hydrocarbons (PAHs) are a group of organic compounds that have various sources and toxic effects on human health and the environment. This article reviews the current knowledge on the occurrence, exposure, metabolism, and health risks of PAHs, as well as the analytical methods and remediation
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Pollution level and health risk assessment of the total petroleum ...
2022.7.8 To evaluate the pollution level and health risk of total petroleum hydrocarbon (TPH), seawater, sediments, and aquatic organisms were sampled from the southern sea area of Zhejiang Province (Yangtze River Delta, China) between 2017 and 2019. TPH was widely present in the aquatic environment and products, and its
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Reduction of hydrocarbon pollutants by hyacinth plants
2023.6.22 According to Priya and Selvan, water hyacinth can be used as a bioindicator of heavy metals in aquatic ecosystems. 16 In addition, water hyacinth as phytoremediators is cost-effective and eco-friendly and well-documented. 17, 18 Based on this circumstance, the author is interested in testing the ability of the hyacinth plant to
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Long-Term Petroleum Hydrocarbons Pollution after a Coastal Oil
2022.9.27 The long-term status of petroleum hydrocarbons in both seawater and sediment contaminated by the Dalian New Port oil spill has been investigated since 2010. Seawater recovery is relatively swift and is complete within two years, while oil contamination persists in the coastal sediments for several years. Because of the slow
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Effects of Residual Chlorine on Aquatic Life
plant effluents because chlorine is added in an amount less than the chlorine demand before discharge to a waterway.50 In cleaner waters, such as cooling plant dis charges, free available chlorine will persist longer. The toxicity to aquatic life of chlorine wastes will therefore depend not on the amount of chlorine added but on the con
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Phytotoxicity of petroleum hydrocarbons: Sources, impacts and ...
2021.6.1 Second generation biofuel crop Miscanthus x giganteus (Mxg) was studied as a candidate for petroleum hydrocarbons (PHs) contaminated soil phytomanagement. The soil was polluted by diesel in wide concentration gradient up to 50 g⋅kg −1 in an ex-situ pot experiment. The contaminated soil/plant interactions were investigated using plant
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(PDF) Evaluation of Total Petroleum Hydrocarbon (TPH) in
2018.2.1 The Total Petroleum Hydrocarbon (TPH) in the bottom sediments and aquatic macrophytes of the River Nun at AmasomaAxises was investigated in December, 2017.
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