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    Comparative metagenomics reveals different hydrocarbon degradative abilities from enriched oil-drilling waste.
    Chemosphere 2018 Jun 11;209:7-16. Epub 2018 Jun 11.
    Centro de Biotecnologia, Universidade Federal do Rio Grande do Sul, Porto Alegre, RS 91501-070, Brazil. Electronic address:
    The oil drilling process generates large volumes of waste with inadequate treatments. Here, oil drilling waste (ODW) microbial communities demonstrate different hydrocarbon degradative abilities when exposed to distinct nutrient enrichments as revealed by comparative metagenomics. The ODW was enriched in Luria Broth (LBE) and Potato Dextrose (PDE) media to examine the structure and functional variations of microbial consortia. Read More

    Clastogenecity evaluation of water of Lake Sevan (Armenia) using Tradescantia micronucleus assay.
    Chemosphere 2018 May 24;209:1-6. Epub 2018 May 24.
    UNESCO UNITWIN/WiCop, Physical Chemistry Department, Faculty of Marine and Environmental Sciences, University of Cadiz, Polígono Río San Pedro S/n, Puerto Real 11510, Cádiz, Spain. Electronic address:
    The clastogenic effects of water samples in seven locations of Lake Sevan (Armenia) with the application of Trad-MCN (micronuclei) bioassay using Tradescantia (clone 02) were investigated. A significant increase in the frequency of micronuclei in tetrads of pollen microspores and tetrads with micronuclei exposed to the test samples compared to the control has been revealed. A multivariate analysis indicated linkage between the frequencies of occurrence of micronuclei in the cells and Ni and Co ions. Read More

    Transport of oxaliplatin species in water-saturated natural soil.
    Chemosphere 2018 Jun 5;208:829-837. Epub 2018 Jun 5.
    Department of Earth and Planetary Sciences, Weizmann Institute of Science, 7610001, Rehovot, Israel.
    This study reports the transport characteristics of the organometallic anticancer compound oxaliplatin and its derivatives in natural soil-water environments. Although pharmaceuticals and their derivatives have for many years been detected in water resources, and linked to toxicological impacts on ecological systems, their transport in soil and groundwater is not fully understood. Specifically, studies that describe transport of organometallic pharmaceuticals in porous media are rare, and the transport characteristics of platinum complexes have received little attention. Read More

    Green synthesis of FeO nanoparticles loaded sawdust carbon for cadmium (II) removal from water: Regeneration and mechanism.
    Chemosphere 2018 Jun 4;208:818-828. Epub 2018 Jun 4.
    Department of Environmental Science and Engineering, Guru Jambheshwar University of Science and Technology Hisar, 125001, India; Department of Environmental Sciences and Technology, Central University of Punjab, Bathinda 151001, Punjab, India. Electronic address:
    This study focused on the synthesis and characterization of novel magnetic iron oxide nanoparticles loaded sawdust carbon (FeO/SC) and EDTA modified FeO/SC (EDTA@FeO/SC) nanocomposites (ncs) by low cost biogenic green synthesis approach and their application for Cd (II) removal from aqueous medium in batch mode. In isotherm studies, Langmuir and Freundlich models are best fitted to Cd (II) removal data. Langmuir maximum adsorption capacity of EDTA@FeO/SC ncs was found to be 63. Read More

    Removing volatile organic compounds in cooking fume by nano-sized TiO photocatalytic reaction combined with ozone oxidation technique.
    Chemosphere 2018 Jun 5;208:808-817. Epub 2018 Jun 5.
    Department of Safety, Health and Environmental Engineering, National Kaohsiung University of Science and Technology, Kaohsiung, Taiwan, ROC.
    Chinese cooking fume is one of the sources of volatile organic compounds (VOCs) in the air. An innovative control technology combining photocatalytic degradation and ozone oxidation (UV/TiO+O) was developed to decompose VOCs in the cooking fume. Fiberglass filter (FGF) coated with TiO was prepared by an impregnation procedure. Read More

    High adsorption performance for As(III) and As(V) onto novel aluminum-enriched biochar derived from abandoned Tetra Paks.
    Chemosphere 2018 Jun 12;208:800-807. Epub 2018 Jun 12.
    School of Environmental Science & Engineering, Nanjing Tech University, 30 Puzhu Southern Road, Nanjing, 211816, PR China.
    In order to develop promising sorbents for value-added application of solid wastes, low-cost aluminum-enriched biochar was prepared from abandoned Tetra Pak used to hold milks, a paper-polyethylence-Al foil laminated package box, after acid pretreatment and subsequent slow pyrolysis under an oxygen-limited environment at 600 °C. The basic physicochemical properties of the resultant biochar were characterized and the sorption performance of aqueous As(III) and As(V) was investigated via batch and column sorption experiments. Carbon (49. Read More

    A feasibility study on biological nitrogen removal (BNR) via integrated thiosulfate-driven denitratation with anammox.
    Chemosphere 2018 Jun 12;208:793-799. Epub 2018 Jun 12.
    State Key Laboratory of Geohazard Prevention and Geoenvironment Protection, Chengdu University of Technology, China; School of Environment, Chengdu University of Technology, China. Electronic address:
    To exploit the advantages of less electron donor consumptions in partial-denitrification (denitratation, NO → NO) as well as less sludge production in autotrophic denitrification (AD) and anammox, a novel biological nitrogen removal (BNR) process through combined anammox and thiosulfate-driven denitratation was proposed here. In this study, the ratio of SO-S/NO-N and pH are confirmed to be two key factors affecting the thiosulfate-driven denitratation activity and nitrite accumulation. Simultaneous high denitratation activity and substantial nitrite accumulation were observed at initial SO-S/NO-N ratio of 1. Read More

    Heavy metal pollution and spatial distribution in surface sediments of Mustafakemalpaşa stream located in the world's largest borate basin (Turkey).
    Chemosphere 2018 Jun 7;208:782-792. Epub 2018 Jun 7.
    Department of Environmental Engineering, Gebze Technical University, Turkey. Electronic address:
    Mining activities in addition to the geology of Mustafakemalpaşa catchment have for long been linked to its deteriorating water and sediment quality. This study assessed contamination levels of heavy metals and other major elements (Pb, As, B, Cd, Zn, Cr, Mo, Co, Ni, Cu, and Ag) in surface sediments of the area, and identified possible pollution sources. Sediment quality indicators, such as contamination factor (CF), enrichment factor (EF), geo-accumulation index (I) and sediment quality guidelines were used, in addition to multivariate statistical technics; Pearson Correlation Matrix (PCM), Principal Component Analysis (PCA) and Hierarchical Cluster Analysis (HCA). Read More

    Organic carbon sources and controlling processes on aquifer arsenic cycling in the Jianghan Plain, central China.
    Chemosphere 2018 May 30;208:773-781. Epub 2018 May 30.
    School of Environmental Studies, China University of Geosciences, Wuhan, Hubei 430074, China.
    Groundwater arsenic contamination is a common environmental problem that threatens the health of over 100 million people globally. Apparent seasonal fluctuations in groundwater arsenic concentrations have been reported in various locations worldwide, including the Jianghan Plain, central China. This phenomenon has been attributed to shifts in redox conditions induced by seasonal incursions of surface water. Read More

    Cellular responses of Pacific oyster (Crassostrea gigas) gametes exposed in vitro to polystyrene nanoparticles.
    Chemosphere 2018 Jun 6;208:764-772. Epub 2018 Jun 6.
    Laboratoire des Sciences de l'Environnement Marin (LEMAR), UMR 6539 CNRS/UBO/IRD/IFREMER, Institut Universitaire Européen de la Mer (IUEM), Rue Dumont d'Urville, 29280 Plouzané, France.
    While the detection and quantification of nano-sized plastic in the environment remains a challenge, the growing number of polymer applications mean that we can expect an increase in the release of nanoplastics into the environment by indirect outputs. Today, very little is known about the impact of nano-sized plastics on marine organisms. Thus, the objective of this study was to investigate the toxicity of polystyrene nanoplastics (NPs) on oyster (Crassostrea gigas) gametes. Read More

    Perfluorooctane sulfonate in surface soils: Effects on reproduction in the collembolan, Folsomia candida, and the oribatid mite, Oppia nitens.
    Chemosphere 2018 Jun 4;208:757-763. Epub 2018 Jun 4.
    Biological Assessment and Standardization Section, Environment and Climate Change Canada, Ottawa, Ontario, Canada, K1A 0H3.
    Perfluorooctane sulfonate (PFOS) is a persistent organic pollutant, which has been detected at significant concentrations in soils at sites used for fire-fighting training operations. Recent ecotoxicological research has mainly focused on earthworms to assess the toxicity of PFOS in soil. However, the inclusion of other soil taxonomic groups allow for a more holistic estimate of contaminant risk, including the derivation of more comprehensive soil quality guidelines. Read More

    Response of phase I and II detoxification enzymes, glutathione, metallothionein and acetylcholine esterase to mercury and dimethoate in signal crayfish (Pacifastacus leniusculus).
    Chemosphere 2018 May 30;208:749-756. Epub 2018 May 30.
    The College of Idaho, Department of Biology, 2112 Cleveland Blvd., Caldwell, ID 83605, USA.
    Metals and pesticides are common pollutants and the modulation of biomarkers can indicate sub-lethal influences on the physiology of organisms inhabiting impacted aquatic systems. We examined the effects of mercury and the organophosphate pesticide dimethoate on EROD, MROD, glutathione S-transferase (GST), acetylcholine esterase (AChE), metallothionein (MT) and glutathione (GSH) in the signal crayfish (Pacifastacus leniusculus). Crayfish were injected with mercury chloride or dimethoate (0. Read More

    Characterization of phosphorus availability in response to radial oxygen losses in the rhizosphere of Vallisneria spiralis.
    Chemosphere 2018 Jun 1;208:740-748. Epub 2018 Jun 1.
    State Key Laboratory of Pollution Control and Resource Reuse, School of the Environment, Nanjing University, Nanjing, 210093, China. Electronic address:
    The viewpoint that radial oxygen loss (ROL) of submerged macrophytes induces changes in redox conditions and the associated phosphorus (P) availability has been indirectly confirmed at larger spatial scales using conventional, destructive techniques. However, critical information about microniches has largely been overlooked due to the lack of satisfactory in situ mapping technologies. In this study, we deployed a recently developed hybrid sensor in the rhizosphere of Vallisneria spiralis (V. Read More

    Corrigendum to "Removal of 30 active pharmaceutical ingredients in surface water under long-term artificial UV irradiation" [Chemosphere 176 (2017)175-182].
    Chemosphere 2018 Jun 9. Epub 2018 Jun 9.
    Department of Chemistry, Umeå University, 901 87 Umeå, Sweden; Department of Public Health and Clinical Medicine, Occupational and Environmental Medicine, Umeå University, 901 87 Umeå, Sweden. Electronic address:

    Distribution of heavy metals, stable isotope ratios (δC and δN) and risk assessment of fish from the Yellow River Estuary, China.
    Chemosphere 2018 Jun 5;208:731-739. Epub 2018 Jun 5.
    CAS Key Laboratory of Crust-Mantle Materials and Environment, School of Earth and Space Sciences, University of Science and Technology of China, Hefei, Anhui 230026, PR China.
    This study measured the concentrations of eight heavy metals, including copper (Cu), zinc (Zn), lead (Pb), chromium (Cr), cadmium (Cd), iron (Fe), manganese (Mn) and nickel (Ni), and the stable isotope ratios of δC and δN in 129 fish samples collected from the Yellow River Estuary (YRE) of China. Accumulation characteristics and possible sources of these heavy metals (HMs) were analyzed. The levels of HMs presented high variations among sampling sites, higher concentrations of ∑HMs were observed at the sites closest to the estuary. Read More

    Acute and subchronic effects of three herbicides on biomarkers and reproduction in earthworm Dendrobaena veneta.
    Chemosphere 2018 Jun 6;208:722-730. Epub 2018 Jun 6.
    J. J. Strossmayer University, Department of Biology, Cara Hadrijana 8A, HR-31000 Osijek, Croatia. Electronic address:
    Earthworms are exposed to herbicides both through their skin and digestive system. Herbicides can influence earthworms' survival, physiology and reproduction. However, there is a lack of data on herbicide effects on earthworms as they are often regarded as low or non-toxic. Read More

    Simultaneous functionalization and magnetization of biochar via NH ambiance pyrolysis for efficient removal of Cr (VI).
    Chemosphere 2018 Jun 6;208:712-721. Epub 2018 Jun 6.
    CAS Key Laboratory of Crust-Mantle Materials and the Environments, School of Earth and Space Sciences, University of Science and Technology of China, Hefei, 230026, China.
    Enhancing biochar adsorption capabilities and recollection ability is essential for efficient biochar application. In this study, Nitrogen-doped magnetic biochar was prepared via one-step heating of FeCl-laden agar biomass under NH environment. Synthesized magnetic biochar ABF-N shows a maximum Cr (VI) adsorption capacity up to 142. Read More

    Stability of mercury concentration measurements in archived soil and peat samples.
    Chemosphere 2018 Jun 5;208:707-711. Epub 2018 Jun 5.
    Institute of Geochemistry, Mineralogy and Mineral Resources, Faculty of Science, Charles University, Albertov 6, Praha 2, 128 43, Czech Republic.
    Archived soil samples can provide important information on the history of environmental contamination and by comparison with recently collected samples, temporal trends can be inferred. Little previous work has addressed whether mercury (Hg) concentrations in soil samples are stable with long-term storage under standard laboratory conditions. In this study, we have re-analyzed using cold vapor atomic absorption spectroscopy a set of archived soil samples that ranged from relatively pristine mountainous sites to a polluted site near a non-ferrous metal smelter with a wide range of Hg concentrations (6. Read More

    The potential phototoxicity of nano-scale ZnO induced by visible light on freshwater ecosystems.
    Chemosphere 2018 Jun 6;208:698-706. Epub 2018 Jun 6.
    School of Materials and Chemical Engineering, Zhengzhou University of Light Industry, Zhengzhou, China; Henan Collaborative Innovation Center of Environmental Pollution Control and Ecological Restoration, Zhengzhou University of Light Industry, Zhengzhou, China.
    With the development of nanotechnology, nanomaterials have been widely applied in anti-bacterial coating, electronic device, and personal care products. NanoZnO is one of the most used materials and its ecotoxicity has been extensively studied. To explore the potential phototoxicity of nanoZnO induced by visible light, we conducted a long-term experiment on litter decomposition of Typha angustifolia leaves with assessment of fungal multifaceted natures. Read More

    Grey monazite (rare earths) mining in centre of Spain: Characterization and pre-operational radiological evaluation.
    Chemosphere 2018 Jun 5;208:691-697. Epub 2018 Jun 5.
    Applied Nuclear Physics Group, Universidad de Sevilla, Sevilla, Spain.
    A radiological evaluation associated to the future mining of grey monazite nodules enriched in light rare-earths, from a modest superficial deposit located in the centre of Spain, has been performed at pre-operational level, and the main results are shown in this paper. Although the monazite nodules in the deposit are clearly enriched in radionuclides from the uranium and thorium series with activity concentrations higher than 1 Bq/g, the size of these nodules (in the 0.5 mm-2 mm grain size interval), its refractory behaviour that prevents the leaching or dissemination of natural radionuclides to waters or other ecosystem compartments and consequently the impact in the food chain, and its presence quite diluted in the deposit at concentrations of 2. Read More

    Trace elements in wild edible Aplysia species: Relationship with the desaturation-elongation indexes of fatty acids.
    Chemosphere 2018 Jun 5;208:682-690. Epub 2018 Jun 5.
    REQUIMTE/LAQV, Laboratório de Farmacognosia, Departamento de Química, Faculdade de Farmácia, Universidade do Porto, R. Jorge Viterbo Ferreira, nº 228, 4050-313, Porto, Portugal. Electronic address:
    The profile of essential and non-essential elements was traced in the edible sea hares Aplysia depilans Gmelin, Aplysia fasciata Poiret and Aplysia punctata Cuvier. Manganese (Mn), iron (Fe), zinc (Zn), copper (Cu) and selenium (Se) were identified as the major essential elements. Risk assessment evidenced that the levels of cadmium (Cd) and lead (Pb) did not exceed the maximum limit value established by the European Regulation, the contents of chromium (Cr), nickel (Ni) and arsenic (As) being also below the levels established by the FDA guide. Read More

    Biofiltration using C. fluminea for E.coli removal from water: Comparison with ozonation and photocatalytic oxidation.
    Chemosphere 2018 Jun 6;208:674-681. Epub 2018 Jun 6.
    CIEPQPF - Chemical Engineering Processes and Forest Products Research Center, Microbiology Laboratory, Faculty of Pharmacy, University of Coimbra, Pólo das Ciências da Saúde, 3000-548 Coimbra, Portugal.
    Corbicula fluminea, an Asian clam, is one of the worst invasive species in Europe that can survive in very adverse environmental conditions. Despite its negative impacts, the species also has the capacity to bioaccumulate heavy metals, contaminants and can be exploited for wastewater treatment purposes. The capacity of the Asian clam to remove Escherichia coli, used as fecal contamination indicator, was analyzed. Read More

    Zn-CNTs-FeO catalytic in situ generation of HO for heterogeneous Fenton degradation of 4-chlorophenol.
    Chemosphere 2018 Jun 4;208:665-673. Epub 2018 Jun 4.
    College of Chemistry and Materials Science, Sichuan Normal University, Chengdu 610066, China; Key Laboratory of Treatment for Special Wastewater of Sichuan Province Higher Education System, Chengdu 610066, China. Electronic address:
    A novel Zn-CNTs-FeO composite was synthesized by the chemical co-precipitation combined with high sintering process at nitrogen atmosphere. The as-prepared composite was characterized by SEM, EDS, XRD, XPS, VSM and N adsorption/desorption experiments. A novel heterogeneous Fenton-like system, composed of Zn-CNTs-FeO composite and dissolved oxygen (O) in solution, which can in situ generate HO and OH, was used for the degradation of 4-chlorophenol (4-CP). Read More

    The effect of several activated biochars on Cd immobilization and microbial community composition during in-situ remediation of heavy metal contaminated sediment.
    Chemosphere 2018 Jun 4;208:655-664. Epub 2018 Jun 4.
    College of Agriculture, Guangxi University, Nanning, 530005, PR China.
    Chemical activation and microwave assisted activation were adopted to modify biochar. Activated biochars were characterized by SEM, BET, FTIR, XRD and XPS. Raw biochar, activated biochars and commercial activated carbon were compared as remediation strategies for sediment from the Xiangjiang River containing 14. Read More

    The electro-peroxone process for the abatement of emerging contaminants: Mechanisms, recent advances, and prospects.
    Chemosphere 2018 May 22;208:640-654. Epub 2018 May 22.
    School of Environment, State Key Joint Laboratory of Environmental Simulation and Pollution Control, Beijing Key Laboratory for Emerging Organic Contaminants Control, Tsinghua University, Beijing 100084, China.
    The electro-peroxone (E-peroxone) process is an emerging electrochemical advanced oxidation process (EAOP) that combines ozonation with in situ cathodic hydrogen peroxide (HO) production to drive the peroxone reaction for water and wastewater treatment. Over the past several years, the E-peroxone process has quickly emerged as a promising EAOP for the abatement of emerging contaminants (ECs) in water. Because of the enhanced ozone (O) transformation to hydroxyl radicals (OH) by electro-generated HO, the E-peroxone process can considerably increase the efficiency and decrease the energy demand for the abatement of ozone-resistant ECs compared with conventional ozonation. Read More

    Impact of pyrometallurgical slags on sunflower growth, metal accumulation and rhizosphere microbial communities.
    Chemosphere 2018 Jun 5;208:626-639. Epub 2018 Jun 5.
    CSIR-National Botanical Research Institute, Rana Pratap Marg, Lucknow, U.P. 226001, India. Electronic address:
    Metallurgical exploitation originates metal-rich by-products termed slags, which are often disposed in the environment being a source of heavy metal pollution. Despite the environmental risk that this may pose for living organisms, little is known about the impact of slags on biotic components of the ecosystem like plants and rhizosphere microbial communities. In this study, metal-rich (Cu, Pb, Zn) granulated slags (GS) derived from Cu production process, were used for a leaching test in the presence of the soil pore solution, showing that soil solution enhanced the release of Cu from GS. Read More

    Element distribution in fruiting bodies of Lactarius pubescens with focus on rare earth elements.
    Chemosphere 2018 May 24;208:614-625. Epub 2018 May 24.
    Institute of Microbiology, Friedrich Schiller University of Jena, Neugasse 25, 07743 Jena, Germany; Soil Science of Temperate Ecosystems, Georg-August-Universität Göttingen, Büsgenweg 2, 37077 Göttingen, Germany. Electronic address:
    During growth and senescence, fungal fruiting bodies accumulate essential and non-essential elements to different extent in their compartments. This study bases on a dataset of 32 basidiocarps of the ectomycorrhizal Lactarius pubescens sampled in a former U mining area. Statistical analyses were combined with rare earth element (REE, La-Lu) patterns to study the element distribution within sporocarp compartments and between three different age classes. Read More

    Assessment of reaction intermediates of gamma radiation-induced degradation of ofloxacin in aqueous solution.
    Chemosphere 2018 Jun 1;208:606-613. Epub 2018 Jun 1.
    School of Energy and Environment, Thapar Institute of Engineering and Technology, Patiala 147004, India. Electronic address:
    Gamma radiolytic degradation of an antibiotic, ofloxacin (OFX) was investigated under different experimental conditions. The parameters such as initial OFX concentration, solution pH, absorbed dose and the concentrations of inorganic (CO) and organic (t-BuOH) additives were optimized to achieve the efficient degradation of OFX. The degradation dose constant values of OFX were calculated as 2. Read More

    Synthesis of nanostructured titanium dioxide layer onto kaolin hollow fibre membrane via hydrothermal method for decolourisation of reactive black 5.
    Chemosphere 2018 May 28;208:595-605. Epub 2018 May 28.
    Advanced Membrane Technology Research Centre (AMTEC), Universiti Teknologi Malaysia, 81310 Skudai, Johor, Malaysia.
    Hydrothermal method has been proven to be an effective method to synthesise the nanostructured titanium dioxide (TiO) with good morphology and uniform distribution at low temperature. Despite of employing a well-known and commonly used glass substrate as the support to hydrothermally synthesise the nanostructured TiO, this study emphasised on the application of kaolin hollow fibre membrane as the support for the fabrication of kaolin/TiO nanorods (TNR) membrane. By varying the hydrothermal reaction times (2 h, 6 h, and 10 h), the different morphology, distribution, and properties of TiO nanorods on kaolin support were observed by field emission scanning electron microscopy (FESEM), energy-dispersive X-ray spectroscopy (EDX), atomic force microscope (AFM), X-ray diffraction (XRD) and Fourier transform infrared spectroscopy (FTIR). Read More

    Investigation of the mechanisms of membrane fouling by intracellular organic matter under different iron treatments during ultrafiltration.
    Chemosphere 2018 May 30;208:586-594. Epub 2018 May 30.
    Eco-Environmental Protection Research Institute, Shanghai Academy of Agricultural Sciences, Shanghai 201403, China; Shanghai Engineering Research Centre of Low-carbon Agriculture, Shanghai 201403, China.
    Iron is an important trace element in algal growth and water eutrophication. This study focused on the ultrafiltration (UF) membrane fouling mechanism by the intracellular organic matter (IOM) of Microcystis aeruginosa under different iron treatments. The results indicated that the membranes experienced faster flux decline and worse fouling reversibility when the IOM formed under low iron concentrations. Read More

    Hematite enhances the removal of Cr(VI) by Bacillus subtilis BSn5 from aquatic environment.
    Chemosphere 2018 Jun 5;208:579-585. Epub 2018 Jun 5.
    School of Energy & Environmental Engineering, And Beijing Key Laboratory of Resource-oriented Treatment of Industrial Pollutants, University of Science and Technology Beijing, 30 Xueyuan Road, 100083 Beijing, China.
    In the present study, we investigated the removal of Cr(VI) and the associated bacterial activity in the systems containing Bacillus subtilis BSn5 (B. subtilis BSn5) and hematite. The microcalorimetry was used to study the effect of hematite on the normal physiological functions of B. Read More

    Environmental risk assessment and consequences of municipal solid waste disposal.
    Chemosphere 2018 Jun 4;208:569-578. Epub 2018 Jun 4.
    Mendel University in Brno, Faculty of Forestry and Wood Technology, Department of Geology and Pedology, Zemědělská 3, 613 00 Brno, Czech Republic.
    Effective and efficient assessments of the site conditions are required for the sustainable management of landfills. In this study we propose an evaluation method to determine the degree of environmental contamination by the contest of heavy metals (HM) concentrations in soil and plants (Tanacetum vulgare L., Carduus L. Read More

    Effect of iodide on transformation of phenolic compounds by nonradical activation of peroxydisulfate in the presence of carbon nanotube: Kinetics, impacting factors, and formation of iodinated aromatic products.
    Chemosphere 2018 Jun 4;208:559-568. Epub 2018 Jun 4.
    State Key Laboratory of Urban Water Resource and Environment, Harbin Institute of Technology, Harbin, 150090, China.
    Our recent study has demonstrated that iodide (I) can be easily and almost entirely oxidized to hypoiodous acid (HOI) but not to iodate by nonradical activation of peroxydisulfate (PDS) in the presence of a commercial carbon nanotube (CNT). In this work, the oxidation kinetics of phenolic compounds by the PDS/CNT system in the presence of I were examined and potential formation of iodinated aromatic products was explored. Experimental results suggested that I enhanced the transformation of six selected substituted phenols, primarily attributed to the generation of HOI that was considerably reactive toward these phenolic compounds. Read More

    Catalytic oxidation of VOCs over Mn/TiO/activated carbon under 185 nm VUV irradiation.
    Chemosphere 2018 Jun 4;208:550-558. Epub 2018 Jun 4.
    Department of Mechanical Engineering, University of Hong Kong, Hong Kong.
    Volatile organic compounds (VOCs) are regarded as the major contributors to air pollution, and should be strictly regulated. Photocatalytic oxidation (PCO) is of great interest for the removal of VOCs owing to its strong oxidation capability. However, its application is greatly limited by catalytic deactivation. Read More

    Application of a hydroxyl-radical-based disinfection system for ballast water.
    Chemosphere 2018 Jun 2;208:541-549. Epub 2018 Jun 2.
    Fujian Collaborative Innovation Center for Exploitation and Utilization of Marine Biological Resources, Key Laboratory of Education Ministry for Coastal and Wetland Ecosystems, College of Environment and Ecology, Xiamen University, Xiamen, Fujian 361005, China. Electronic address:
    A hydroxyl radical (OH) ballast water treatment system (BWTS) was developed and applied to inactivate entrained organisms in a 10,000-ton oceanic ship, where OH was produced by a strong ionization discharge combined with a water jet cavitation effect. The calculated OH generation rate was 1373.4 μM min in ballast water, which is much higher than that in other advanced oxidative processes such as photocatalysis. Read More

    Application of membrane distillation for the treatment of anaerobic membrane bioreactor effluent: An especial attention to the operating conditions.
    Chemosphere 2018 Jun 4;208:530-540. Epub 2018 Jun 4.
    Key Laboratory of Integrated Regulation and Resources Development of Shallow Lakes, Hohai University, Nanjing 210098, China; College of Environment, Hohai University, Nanjing 210098, China. Electronic address:
    This study was carried out by applying the direct contact membrane distillation (DCMD) into the treatment of effluent from anaerobic membrane bioreactor. The treatment efficiency of DCMD was highly emphasized, which was expected to be improved through the optimization of operating conditions. Three operating conditions, including temperature difference, cross-flow velocity and membrane pore size, were considered. Read More

    Screening study of four environmentally relevant microplastic pollutants: Uptake and effects on Daphnia magna and Artemia franciscana.
    Chemosphere 2018 Jun 8;208:522-529. Epub 2018 Jun 8.
    Faculty of Chemistry and Chemical Technology, Chair of Materials and Polymer Science, Večna pot 113, 1000, Ljubljana, Slovenia.
    This study investigated four different environmentally relevant microplastic (MP) pollutants which were derived from two facial cleansers, a plastic bag and polyethylene textile fleece. The mean size range of the particles (according to number distribution) was 20-250 μm when measured as a powder and 0.02-200 μm in suspension. Read More

    Optimizing disinfection by-product monitoring points in a distribution system using cluster analysis.
    Chemosphere 2018 Jun 4;208:512-521. Epub 2018 Jun 4.
    École supérieure d'aménagement du territoire et de développement régional (ESAD), Université Laval, Pavillon F-A. Savard, 2325, rue des Bibliothèques, local 1612 Québec, QC, G1V 0A6, Canada.
    Trihalomethanes (THMs) and Haloacetic Acids (HAAs) are the main groups detected in drinking water and are consequently strictly regulated. However, the increasing quantity of data for disinfection byproducts (DBPs) produced from research projects and regulatory programs remains largely unexploited, despite a great potential for its use in optimizing drinking water quality monitoring to meet specific objectives. In this work, we developed a procedure to optimize locations and periods for DBPs monitoring based on a set of monitoring scenarios using the cluster analysis technique. Read More

    Cobalt ferrite nanoparticles supported on electrospun carbon fiber as a magnetic heterogeneous catalyst for activating peroxymonosulfate.
    Chemosphere 2018 May 23;208:502-511. Epub 2018 May 23.
    Department of Chemistry, Harbin Institute of Technology, Harbin, 150001, China. Electronic address:
    Cobalt ferrite (CF) nanoparticle (NP) represents a promising alternative to Co3O4 NP for peroxymonosulfate (PMS) activation in view of its strong magnetism for easy recovery. As CF NPs in water are prone to agglomerate, a few attempts have been made to immobilize CF NPs on substrates. While carbonaceous supports are more favorable owing to their earth abundancy, the study of carbon-supported CF for PMS activation is limited to graphene-based CF, which, however, requires complicated protocols to prepare. Read More

    Quantification of nitrate sources and fates in rivers in an irrigated agricultural area using environmental isotopes and a Bayesian isotope mixing model.
    Chemosphere 2018 May 28;208:493-501. Epub 2018 May 28.
    Shaanxi Key Laboratory of Earth Surface System and Environmental Carrying Capacity, College of Urban and Environmental Sciences, Northwest University, Xi'an, 710127, China.
    Nitrate (NO) pollution in rivers caused by intensive human activities is becoming a serious problem in irrigated agricultural areas. To identify NO sources and reveal the impact of irrigation projects on NO pollution in rivers, the hydrochemistry and isotopes of irrigation water from the Yellow River (IW) and river water (RW), and potential source samples were analyzed. The mean NO concentrations in the IW and RW were 24. Read More

    Extractive recovery and valorisation of arsenic from contaminated soil through phytoremediation using Pteris cretica.
    Chemosphere 2018 Jun 5;208:484-492. Epub 2018 Jun 5.
    School of Engineering, Newcastle University, Newcastle upon Tyne, NE1 7RU, UK.
    Contamination of ground water and soil by arsenic poses serious environmental challenges globally. A possible solution to this problem is through phytoremediation using hyper-accumulating plants. This study investigates phytoremediation of soil containing 200 ± 3 mg kg of arsenic using Pteris cretica ferns, and the strategies for arsenic extraction from the ferns biomass and subsequent conversions to valuable arsenic products. Read More

    Enhanced adsorption of anionic toxic contaminant Congo Red by activated carbon with electropositive amine modification.
    Chemosphere 2018 Jun 1;208:476-483. Epub 2018 Jun 1.
    The Key Laboratory of Water and Sediment Sciences, Ministry of Education, School of Environment, Beijing Normal University, Beijing 100875, PR China.
    Anionic ionizable toxic organic contaminants, such as pesticides, herbicides, pharmaceuticals and dyestuffs, are widely detected in aqueous and can exert specific toxicity in organisms. They are hard removed by traditional adsorbents with negative surface charges and hydrophilic property. To solve that bottleneck problem, this study synthesized a carbon-based electropositive absorbent via surface activation and radical impregnation. Read More

    Decreased retention of olfactory predator recognition in juvenile surgeon fish exposed to pesticide.
    Chemosphere 2018 Jun 4;208:469-475. Epub 2018 Jun 4.
    PSL University Paris, EPHE-UPVD-CNRS, USR3278 CRIOBE, 98729 Papetoai, Moorea, French Polynesia; Laboratoire d'Excellence "CORAIL", Moorea, French Polynesia.
    Dory, the animated surgeonfish created by the Pixar Animation studios, famously suffered from short-term memory loss leading to many adventures. In reality, many fishes have excellent cognitive abilities and are able to learn and retain important information such as the identity of predators. However, if and how cognition can be affected by anthropogenically altered oceanic conditions is poorly understood. Read More

    Impacts of different morphologies of anammox bacteria on nitrogen removal performance of a hybrid bioreactor: Suspended sludge, biofilm and gel beads.
    Chemosphere 2018 Jun 7;208:460-468. Epub 2018 Jun 7.
    College of Engineering and Technology, Tianjin Agricultural University, Tianjin 300384, China.
    The difficulties in the anaerobic ammonium oxidation (anammox) process mainly consist of low microbial growth rates and long start-up times of bioreactors. The morphologies of anammox bacteria might affect nitrogen removal performance and microbial community. In this study, three morphologies of anammox bacteria, namely, suspended sludge, biofilm and suspended sludge embedded in gel beads, were compared in a hybrid bioreactor under anoxic conditions (DO concentration < 0. Read More

    Fate and wetting potential of bio-refractory organics in membrane distillation for coke wastewater treatment.
    Chemosphere 2018 Jun 2;208:450-459. Epub 2018 Jun 2.
    Institute of Resources and Environmental Engineering, Shanxi Collaborative Innovation Center of High Value-added Utilization of Coal-related Wastes, Shanxi University, Taiyuan, 030006, China. Electronic address:
    Membrane distillation (MD) has been hindered in industrial applications due to the potential wetting or fouling caused by complicated organic compositions. This study investigated the correlations between the fate and wetting potential of bio-refractory organics in the MD process, where three coke wastewater samples pre-treated with bio-degradation and coagulation served as feed solutions. Results showed that although most of the bio-refractory organics in coke wastewater were rejected by the hydrophobic membrane, some volatile aromatic organics including benzenes, phenols, quinolines and naphthalenes passed through the membrane during the MD process. Read More

    Degradation mechanism of cyanide in water using a UV-LED/HO/Cu system.
    Chemosphere 2018 Jun 1;208:441-449. Epub 2018 Jun 1.
    Department of Environmental Health Sciences, School of Public Health, Seoul National University, 1Gwanak-ro, Gwanak-gu, Seoul, South Korea. Electronic address:
    In this study, we developed a UV-LED/HO/Cu system to remove cyanide, which is typically present in metal electroplating wastewater. The results showed the synergistic effects of UV-LED, HO, and Cu ions on cyanide removal in comparison with UV-LED photolysis, HO oxidation, UV-LED/HO, and HO/Cu systems. Cyanide was removed completely in 30 min in the UV-LED/HO/Cu system, and its loss followed pseudo-first order kinetics. Read More

    Effect of magnetic ion exchange (MIEX) on removal of emerging organic contaminants.
    Chemosphere 2018 Jun 1;208:433-440. Epub 2018 Jun 1.
    University Institute of Water and Environmental Sciences, University of Alicante, 03690, San Vicente del Raspeig, Alicante, Spain.
    In this study, the removal of nine emerging organic contaminants was investigated by using anion exchange resins. The selected compounds were carbamazepine, atrazine, simazine, estrone, bisphenol A, methylparaben, ethylparaben, propylparaben and butylparaben. Two different magnetic anionic exchanger resins were tested: MIEX DOC and MIEX GOLD. Read More

    CBF/DREB transcription factor genes play role in cadmium tolerance and phytoaccumulation in Ricinus communis under molybdenum treatments.
    Chemosphere 2018 May 30;208:425-432. Epub 2018 May 30.
    Department of Biotechnology, University of Malakand, Chakdara, 18800, Dir Lower, Khyber Pakhtunkhwa, Pakistan.
    The C-repeat binding factor/dehydration responsive element binding proteins (CBF/DREB) constitute a large group of transcriptional factors. Their role in abiotic stresses such as drought, salinity and low temperature tolerance in plants have been well established, while little information about their role in metals stress tolerance is available. Transcriptomic analyses of four genes (DREB-1A, DREB-1B, DREB-1F and CBF) were carried out in industrially important plant Ricinus communis under cadmium (Cd) and molybdenum (Mo) treatments. Read More

    Green reduction of graphene oxide using eucalyptus leaf extract and its application to remove dye.
    Chemosphere 2018 Jun 1;208:417-424. Epub 2018 Jun 1.
    Fujian Key Laboratory of Pollution Control and Resource Reuse, School of Environmental Science and Engineering, Fujian Normal University, Fuzhou 350007, Fujian Province, China. Electronic address:
    Reduction of graphene oxide (RGO) utilizing green methods such as plants has attracted much attention due to its efficiency, eco-friendly features and low cost. However, the key components in plant extracts and their bioreduction functions concerning GO are still not well understood. In this study, the GO was reduced by Eucalyptus leaf (EL) extract. Read More

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