ABSTRACT For the purpose of the nondestructive measurements of hazardous heavy-element-containing substances in soil samples, the emerging technique, triple-exposure X-ray computed tomography (CT), is proposed. The use of triple exposure (i.e. three different acceleration voltages for the X-ray tube) improves the accuracy of the identification of the atomic number of a heavy element. With lead as the

ABSTRACT Bioremediation is among the most basic and reliable way to eliminate pollutants by transforming the toxic petroleum components into less toxic metabolites. In order to compare the change of bacterial community during oil-biodegradation process, two oil-polluted sediments sampled from Tunisia were analyzed using 16S rDNA clone libraries. During the experimental period, measurements of microbial

ABSTRACT This study evaluated the occurrence characteristics to trace the origin and associated risks of organochlorine pesticides (OCPs) in soils from urban, suburban, and rural stormwater reservoirs. Samples were collected from the topsoil (0–15 cm) and subsoil (15-30 cm), and quantified for Ʃ20OCPs using a gas chromatography-mass spectrometry (GC-MS) after extraction with n-hexane and dichloromethane

ABSTRACT Polycyclic aromatic hydrocarbons (PAHs) may drive remediation at impacted soil or sediment sites. Current equations for calculating the PAH concentrations in soil that are protective of underlying groundwater (i.e., soil screening levels, or SSLs) generally assume a three-phase partitioning model, wherein PAHs partition among the soil matrix, porewater, and pore air. This simplified model

ABSTRACT The agricultural area adjacent to highways experienced high threat ofpersistent organic pollutants (POPs), which are fromvehicle exhaust, asphalt, and tyre wear.To analyze the presence, distribution patterns, ecological risk and sources of polycyclic aromatic hydrocarbons (PAHs), soil samples were collected in farmland along a highway in Jilin province, China and analyzed for 16 PAHs. The

ABSTRACT Cadmium (Cd) contamination of agricultural soils is a global concern, as it can cause the accumulation of Cd in food. In this study, an incubation experiment was carried out to investigate the effect on Cd availability in paddy soil amended four kinds of silkworm excrements organic fertilizer (SEs). And the soil amended with chicken manure organic fertilizer (CM) and no organic fertilizer

ABSTRACT The effect of lowered groundwater surface tension using alcohols and surfactants, and increased viscosity using a thickener on the performance of the air sparging (AS) process was investigated, and the mechanism of facilitated air intrusion into the saturated zone during surfactant-enhanced air sparging (SEAS) was proposed.When aqueous solutions of alcohols (e.g., ethyl alcohol) displaced

ABSTRACT Wheat is the main staple crop in Iran and thus of critical importance in human nutrition. This study was conducted to investigate the effect of individual and co-inoculation of azotobacter chroococcum bacteria (A. chroococcum) and a species (Rhizophagus irregularis) of arbuscular mycorrhizal fungi (AMF) on improving the nutritional quality of bread wheat grain. We performed a pot experiment

ABSTRACT Environmental pollution by petroleum hydrocarbon is one of the significant concerns of the contemporary world. This paper deals with the relevant environmental issues concerning the oil pollution of the petroleum industry. There is a need for further development of sustainable remediation technologies. Nineteen petroleum-degrading bacteria were isolated from an oil-polluted soil in the Suez

ABSTRACT Accumulation of microplastic in the marine environment is of great concern and has been considered to be a growing problem in the coastal sediments of Bangladesh. This research represents the large-scale abundance, characterization of microplastic contamination, and its type of polymer in the beach sediment of Cox’s Bazar. To understand the potential impacts associated with microplastic pollution

ABSTRACT Metal contamination of the aquatic environment is a serious concern, insofar as public health and environmental protection are considered. Owing to their persistent and toxic characteristics, spatial analyses of metal concentrations in sediment with comparisons with natural backgrounds are essential. This study aimed to determine the metal concentrations of Cd, Cr, Co, Cu, Ni, Pb, and Zn and

ABSTRACT The environmental contaminations occurred by exploration, drilling, extraction, transportation and storage of different substances for using in industries have serious effects on soils and their properties. This research examined the effects of phytoremediation on the removal of total petroleum hydrocarbons (TPHs) and geotechnical properties of a silty clayey sand contaminated by 3%, 5%, and

ABSTRACT This study compared polycyclic aromatic hydrocarbon (PAH) extractable fractions determined using six in-vitro methods, typically used for bioaccessibility/bioavailability predictions, for manufactured gas plant (MGP) historically contaminated soils, and evaluated the influence of soil properties. Methods used included depletive approaches for the bioaccessible fraction including butanol extraction

ABSTRACT In the present work, the arsenate [As(V)] adsorption by loam and sandy loam soil was carried out as a function of initial As(V) concentration, pH, contact time, and adsorbent dose to ensure As adsorption and its mobilization in the soil of arsenic-affected areas. The As(V) adsorption with varying time and initial As(V) concentrations were analyzed using the linear and nonlinear forms of the

ABSTRACT The relevance of the article is that preserving the fertility of lands and improving their quality is one of the pressing problems of today. The purpose of the paper is to build a model for the motorization of fertilization of agricultural soils. Practical and theoretical approaches were used in the study, namely, comparison of the theoretical base with practical results, as well as analysis

ABSTRACT Fungicide Isopyrazam having pyrazole genesis has been studied for its ecological fate inside heterogeneous pedospheric matrices from varied climatic zones for the first time. Fate-determinative studies included examination of Isopyrazam’s behavior in terms of transformation via adsorption and desorption, and degradation via hydrolysis, photolysis, and biological degradation. Sorption conducted

ABSTRACT For studying the level of pollution by polycyclic aromatic hydrocarbons (PAHs) in the Xinjiang Urumqi petrochemical wastewater irrigation area of farmland soil profiles, 60 soil samples were collected from the wastewater irrigation area and 3 different land-use types (cultivated land, wasteland, and forest land) were included. To investigate the distributions of PAHs in soil, the source analysis

ABSTRACT A consortium of already isolated strains has been applied to degrade endosulfan. These were identified by 16S rRNA technique as Stenotrophomonas maltophilia EN-1, Pseudomonas sp. TAH and Enterobacter sp EN-2. Batch experiments were conducted to access the endosulfan degradation efficiency of consortium while using various concentrations of endosulfan (5, 25, 50, 75, 100 mg/L). Maximum degradation

ABSTRACT The growth in world energy demand for oil has provided an increase in its exploration, production, and transportation in onshore or offshore operations. However, during these activities, oil spills can occur due to leaks, corrosion of pipes, blow-outs, among others. Oil spills contaminate the environment, affecting soil, surface water, and even beaches sands. The remediation of contaminated

ABSTRACT E-waste dismantling activities have caused serious heavy metals pollution in some parts of China. In this study, the contents of 15 metals (Ag, As, Cd, Co, Cr, Cu, Li, Mn, Ni, Pb, Rb, Sb, Sn, Tl, and Zn) in soil, sediment, and water hyacinth derived from the e-waste dismantling activities were investigated. Based on these data, the Geo-accumulation index (Igeo) and the potential ecological

ABSTRACT Studies involving oil-contaminated lateritic fine-grained soils are still scarce in literature, especially regarding treatments for improving soils mechanical properties. In this study, geotechnical properties and microstructure of a diesel-contaminated lateritic soil treated with lime are investigated and compared to tests conducted on lime-treated soil (2% to 8% lime) and diesel-contaminated

ABSTRACT The long mining activities in Ouarsenis region can be the soil pollution source around the mine. For this reason, for the first one, seven heavy metals collected from the mine and its surroundings are calculated to know the source of these heavy metals and evaluate their contamination in the study area. The means concentration of studied heavy metals vicinity to Boucaid mine range between

ABSTRACT Stream sediments from heavily industrialized areas, including urban areas (SS), industrial complexes (US), petrochemical industries (PS), and the Onsan industrial complex (OS) in Korea, were studied to identify 19 heavy metals pollution status and the metal sources. The concentration of heavy metals, except for Li, Be, and Cs in the stream sediments from the Onsan industrial complex near the

ABSTRACT Organic pollutants (PAHs, PCBs, and organochlorine pesticides (OCPs) from sediments and Asian green mussels (Perna viridis) in Jakarta Bay were studied using GC-MS/MS. The PAHs concentration in the sediments ranged from 186.64 to 915.71 µg.kg−1 per sediment dry weight (dw), while the PCBs and the OCPs concentration ranged from 3 to 117 µg.kg−1 and 3 to 17.99 µg.kg−1 per sediment dw, respectively

ABSTRACT In this study, 28 strains of filamentous fungi were isolated from soil that were historically contaminated with polychlorinated dibenzo-p-dioxins and dibenzofurans (PCDD/Fs; northern France). These fungal isolates were selected for their ability to use hexadecane as the sole carbon source and for hydrophobic molecule behavior. Six strains produced significant dry biomass (> 25 mg) on hexadecane:

ABSTRACT The present research aims to investigate the adsorption of a commonly used, quinalphos organophosphate pesticide on to four different agricultural soils of Punjab, India. The results revealed that the highest adsorption of quinalphos was observed on soil D (Loamy Sand). The data obtained after analyzing adsorption isotherms were subjected to classical Linear and Non-Linear (Langmuir, Freundlich

ABSTRACT Bioenergy plants that are better adapted to metal-contaminated lands can be used for phytoremediation purposes and also can be additionally used to produce biofuels such as bioethanol, biodiesel, and biogas. These plants offer the dual advantages of phytoremediation and bioenergy production and majority of them are heavy metal accumulators sequestering exceptionally high amount of the absorbed

ABSTRACT Microplastics (MPs) have become a worldwide concern due to their potential impacts on ecological systems. This study investigated the MPs in sediments of Yushan River, an urban river tributary of the Yangtze River, China. MPs were observed to be present in the sediments with 3.5–53 mg·kg−1 or 30–70 items·kg−1. The average abundance of 44 items kg−1 found in this study was relatively lower

ABSTRACT The extensive use of diesel as fuel has contributed to the current problem of soil contamination, and the aged diesel is a highly toxic pollutant for the soil microbial flora. The objective of the present work was to determine the ability of mono-rhamnolipid surfactants to solubilize weathered diesel absorbed for decades in a loamy sand soil. The mono-rhamnolipids were produced by P. aeruginosa

ABSTRACT The present study investigated the effect of arbuscular mycorrhizal fungus (AMF) Rhizophagus intraradices on plant growth and phosphorus (P) uptake of soybean (Glycine max L.) in soils contaminated with different concentrations of heavy metals [copper (100 and 300 mg kg−1), lead (100 and 300 mg kg−1) and zinc (300 and 600 mg kg−1)] and combination (Cu100 + Pb100 + Zn300) in a pot experiment

ABSTRACT Bioremediation is a proven technology for treatment of contaminated soils. Soil physico-chemical properties and microbial composition are key factors for the successful implementation of this technology. In this study, we evaluated the bacterial diversity during bioremediation of gasoil-contaminated soils with different salinities. The results of TPH analysis indicated an inverse relationship

ABSTRACT In this study, the effects of fulvic acid (FA) were investigated on the concentrations of photosynthetic pigments, malondialdehyde (MDA) and root and stem anatomy in Triticum aestivum L. under chromium stress. Plants were grown under-controlled growth chamber conditions and then exposed to 0.10, 0.20, 0.30 or 0.50 mM chromium solution (Cr6+) and 1.5 mg/L of FA solution alone or in combination

ABSTRACT A disturbance in the normal physiology of soil macroinvertebrates can cause toxic impacts and/or disruption in mechanisms and rates of respiration. In this work, respiration rates of earthworms exposed to phenanthrene and its nitrogen heterocyclic analogs was investigated over a 30 and 90-d soil-contact-time. The study involved measurement and calculation of CO2 production by earthworms exposed

ABSTRACT Vermiremediation is considered as an evolving environmental friendly and sustainable technology. It serves as an additional parallel factor in increasing overall efficiency of bio-methods. Vermiremediation treat soils contaminated with inorganic and organic chemicals through different direct actions like bioaccumulation of chemical contaminants and indirect action like using vermicast of earthworm

ABSTRACT Acid mine drainage (AMD) has continued to be a major threat leading to the destruction of the ecosystem and contamination of soil and waterbodies. The high sulfate concentration of AMD lowers the soil pH, making the soil more acidic and less productive which contributes to a reduction in the availability of arable land for agricultural purposes. Biological treatment has offered a cost-effective

ABSTRACT Phytoremediation has emerged as promising technology for reclamation of metal-polluted sites. The present study was conducted with an aim to assess the hyperaccumulation potential of Ricinus communis for cadmium, with the application of exogenous substances, [nitrogen (N), phosphorus (P) and potassium (K)] and phytohormones [Gibberellic acid (GA3) and Indole acetic acid (IAA)]. These were

ABSTRACT The presence of different kinds of potentially toxic elements (PTEs) in trace levels is a natural phenomenon, but their enhanced level is a cursor of contamination load in that particular area. In this context a study was undertaken in Raichur industrial development area (IDA), Karnataka, India an area of traditional agricultural-based economy, majorly rice processing industries. The main

ABSTRACT We investigated the behavioural and oxidative stress responses in the earthworm, Nsukkadrilus mbae on exposure to lead (Pb) and cadmium (Cd) contaminated soils. This was because the response of this species to heavy metals ecotoxicity had not been reported. Two concentrations of Pb (20 and 500 µg/g of soil) and Cd (2 and 10 µg/g of soil) and a control (uncontaminated with Pb or Cd) were used

ABSTRACT Finding an efficient method, which may decrease the pollution of soil by heavy metals, is of significance. It has been rarely determined that nano-iron particles (Fe), can contribute to the efficient removal of heavy metals from the soil under different temperature and moisture conditions. Accordingly, the objective of the present research was to investigate the effects of Fe including zero-valent

ABSTRACT The determination of heavy metals fractionation in the environment is necessary to predict their mobility and bioavailability. This study was carried out to evaluate the effects of rice husk ash (RHA) and iron-coated rice husk ash (Fe-RHA) on As, Cd, Cr, Cu, Mn, Pb and Zn fractionation in gold mine tailings. The tailings were amended with either 0%, 5%, 10%, and 20% (w/w) of RHA or Fe-RHA

ABSTRACT Environmental degradation in estuaries may lead to a serious threat to marine life and may trigger human health risk with the help of the food web. This study was conducted to evaluate the concentration, distribution, sources, pollution status, and potential risk of contamination of five trace metals (Cd, Cu, Pb, Zn, and Fe) in estuarine surface sediment of ten different estuaries with their

ABSTRACT The occurrence of 16 perfluorinated compounds (PFCs) in soil and sediment from the surroundings of a metal plating industrial park was investigated. The PFCs were quantified using isotope dilution ultra-high-performance liquid chromatography coupled with triple quadrupole mass spectrometry (UPLC-MS/MS). The ranges of the most commonly detected nine PFCs were 1.71–16.3 ng g−1 dry weight (dw)

ABSTRACT Environmental degradation in estuaries may lead to a serious threat to marine life and may trigger human health risk with the help of the food web. This study was conducted to evaluate the concentration, distribution, sources, pollution status, and potential risk of contamination of five trace metals (Cd, Cu, Pb, Zn, and Fe) in estuarine surface sediment of ten different estuaries with their

ABSTRACT The occurrence of 16 perfluorinated compounds (PFCs) in soil and sediment from the surroundings of a metal plating industrial park was investigated. The PFCs were quantified using isotope dilution ultra-high-performance liquid chromatography coupled with triple quadrupole mass spectrometry (UPLC-MS/MS). The ranges of the most commonly detected nine PFCs were 1.71–16.3 ng g−1 dry weight (dw)

ABSTRACT Selective accumulation of heavy metals in mangrove plant parts have been reported earlier; however, varying heavy metal accumulation in the sediments adjacent to different mangrove plant species is rarely reported. We hypothesized that the pattern of heavy metal accumulation could vary in the adjacent sediments of different mangrove plant species. We compared the heavy metal accumulation (As

ABSTRACT Fluopyram, flupyradifurone, and indaziflam are novel systemic pesticides developed by Bayer. Based on available data, these pesticides appears to have a favorable safety profile in the case of pesticide residue problems. Herein, we report an effective analytical method for the determination of novel pesticides were developed using ultra-high performance liquid chromatography with tandem mass

ABSTRACT This study investigated the removal of polycyclic aromatic hydrocarbons (PAHs) from soils around a cement factory in Bursa-Turkey. UVA and UVA-H2O2 applications were carried out with the particular apparatus. The evaporated PAHs were collected with the polyurethane foam (PUF) column in this apparatus. UVA applications were carried out simultaneously at two temperatures (18°C and 35°C) to determine

ABSTRACT Rapid industrialization at Kuala Langat, Selangor have raised environmental and health concerns among the public. Surface sediments from a total of 10 stations, covering the upstream and downstream sites near to plastic recycling factories along Langat River were collected and analyzed for its physicochemical properties, bioavailable heavy metals concentration and pollution degree. Ecological

ABSTRACT The objective of this study was to determine the occurrence, origin, and risk of Cadmium (Cd), lead (Pb), chromium (Cr), nickel (Ni), copper (Cu), manganese (Mn), zinc (Zn), and iron (Fe) in soil profiles from petroleum tank-farms in Western Delta, Nigeria. The soil samples were digested with aqua-regia, and the concentrations of the metals were determined using an atomic absorption spectrophotometry

ABSTRACT Coimbatore is one of the industrial cities in Tamil Nadu, India, which has been experiencing rapid urbanization and population growth. Coimbatore is also known for its unique freshwater lakes environment and serves as a rich ecosystem. However, the assessment of heavy metal levels in aquatic environments is limited. This study was aimed to investigate physicochemical parameters, heavy metals

ABSTRACT Phytoremediation is an effective and affordable technological solution to extract or remove metal pollutants from contaminated soil. In this study, the ability of Hedera colchica plant for the removal of Pb and Ni metals with different concentrations from soil and also metal efficacy on morphological parameters of the plant were investigated. The morphological results showed that as the concentration

ABSTRACT The work investigated the concentration of perfluorinated compounds (PFCs) in surface water, sediments and aquatic plants of Nansi Lake, China. The total concentration of 12 PFCs was in the range of 34.07–153.39 ng/L in surface water. The short-chain PFCs were dominant PFC homologs, and the concentration of PFOA was higher than that of PFOS in water samples. The total concentration of 12 PFCs

ABSTRACT Coastal lagoons are highly sensitive ecosystems from the ecological point of view. Water samples to assess physicochemical parameters, as well as sediments to measure trace metals (Cd, Cr, Cu, Ni, Pb, Zn and Hg) were collected in seven coastal lagoons of the Sabana-Camagüey Archipelago. Los Caimanes, Tortuguilla and La Salina lagoons showed high salinity levels (>100.0 PSU). High concentrations

ABSTRACT Coastal lagoons are highly sensitive ecosystems from the ecological point of view. Water samples to assess physicochemical parameters, as well as sediments to measure trace metals (Cd, Cr, Cu, Ni, Pb, Zn and Hg) were collected in seven coastal lagoons of the Sabana-Camagüey Archipelago. Los Caimanes, Tortuguilla and La Salina lagoons showed high salinity levels (>100.0 PSU). High concentrations

ABSTRACT In this study, a new approach to predicting the ability of a hydrometallurgical process to simultaneously remove metal(loid)s, pentachlorophenol (PCP), and polychlorodibenzodioxins and furans (PCDD/F) from contaminated soil is developed. The remediation process consisted of attrition and alkaline leaching steps applied for the coarse (> 0.250 mm) and fine (< 0.250 mm) fractions, respectively

ABSTRACT This study determined the total concentrations, chemical speciations and their potential ecological risks of 11 metals from soil samples collected from 13 different locations in the Göksu Delta, a special environmental protection site in Turkey. In accordance with the total metal concentration results the contamination levels caused by the 11 heavy metals decreased in the following order:

ABSTRACT The concentrations of selected heavy metals including cadmium (Cd), lead (Pb), zinc (Zn), copper (Cu), nickel (Ni) and iron (Fe) in stems and leaves of Artemisia herba-alba medicinal plant and soil samples were evaluated. Results showed that there in heavy metal concentrations of washed and unwashed parts of A. herba-alba from northern site (Irbid), Middle site (Al-Mafraq), and Souhern site

ABSTRACT In this paper, laccase is immobilized by the cross-linking method, using organic fertilizer as a carrier and glutaraldehyde as a cross-linking agent. Here, the optimal conditions of laccase immobilization were explored and the optimal operating conditions and stabilities of free laccase and immobilized laccase were also studied. Then, free laccase and immobilized laccase were applied to the

ABSTRACT A safe use of herbicide in the environment can be assessed by it’s adsorption – desorption behavior in soil. In the present work laboratory studies were performed to examine adsorption-desorption behavior of penoxsulam herbicide on six soils having widely different properties. Adsorption kinetics of penoxsulam was best accounted by pseudo-first order model. Among acidic soils, soil having

ABSTRACT Nanomaterials (Nms) applications and environmental deposition are continuously increasing. Aluminum (Al) and nickel (Ni) fate in soil, both from gamma alumina-based Nms and as chloride salts were evaluted through lysimeters. After 85 days of treatment, which included irrigation and collection of eluates, the soil of each lysimeter was divided into four sections. The metal concentration was