Competition between phenanthrene, chrysene, and 2,5-dichlorobiphenyl for high-energy adsorption sites in a sediment.

abstract：:Supercritical water oxidation (SCWO) of 2-, 3- and 4-nitroaniline (NA) was investigated under residence time of 1-6 min, pressure of 18-26 MPa, temperature of 350-500 °C, with initial concentration of 1 mM and 300% excess oxygen. Among these operating conditions, temperature and residence time played a more significan...

journal_title：Chemosphere

authors： Yang B,Cheng Z,Fan M,Jia J,Yuan T,Shen Z

更新日期：2018-08-01 00:00:00

abstract：:TiO2-encapsulated H-ZSM photocatalysts were prepared by physical mixing of TiO2 and zeolites. Pt was immobilized on the surface of the TiO2-encapsulated zeolite (H-ZSM) catalysts by a simple photochemical reduction method. Different weight ratios of both TiO2 and Pt were hybridized with H-ZSM and the catalytic perform...

journal_title：Chemosphere

authors： Neppolian B,Mine S,Horiuchi Y,Bianchi CL,Matsuoka M,Dionysiou DD,Anpo M

更新日期：2016-06-01 00:00:00

abstract：:Recently, several studies showed that microcystin-LR (MCLR) can accumulate and induce toxicity in kidney. However, the exact mechanism is unknown. The aim of this study was to explore the mechanism of MCLR-induced nephrotoxicity. To this end, adult zebrafish were exposed to MCLR (0, 1, 5 and 25 μg/L) for 60 days. Expo...

journal_title：Chemosphere

authors： Wang Z,Li G,Wu Q,Liu C,Shen J,Yan W

更新日期：2019-01-01 00:00:00

abstract：:DFT-B3LYP method with 6-31G(**) basis set was employed to fully optimize the electronic structures of 135 polychlorinated dibenzofurans and parent compound, namely dibenzofuran. It was demonstrated that polarizability anisotropy and mean polarizability could change sensitively and systematically with chlorine number a...

journal_title：Chemosphere

authors： Gu C,Jiang X,Ju X,Yu G,Bian Y

更新日期：2007-04-01 00:00:00

abstract：:Biofilm, fish, oyster, mussel, clam, surface seawater, suspended particulate matter (SPM), and sediment samples were collected from marine and/or estuarine waters of the west coast of India. These samples were analysed for butyltin derivatives such as dibutyltin (DBT) and tributyltin (TBT). The concentrations DBT plus...

journal_title：Chemosphere

authors： Bhosle NB,Garg A,Jadhav S,Harjee R,Sawant SS,Venkat K,Anil AC

更新日期：2004-11-01 00:00:00

abstract：:Spent catalyst bioleaching with Acidithiobacillus ferrooxidans has been widely studied and low Mo leaching has often been reported. This work describes an enhanced extraction of Mo via a two stage sequential process for the bioleaching of hydrodesulphurization spent catalyst containing Molybdenum, Nickel and, Aluminiu...

journal_title：Chemosphere

authors： Vyas S,Ting YP

更新日期：2016-10-01 00:00:00

abstract：:With the main objective of improving the removal of nitrogen from domestic wastewater and more sustainably, a moving bed and constructed wetland (MBCW) integrated bioreactor was fabricated and evaluated with continuous and intermittent aeration operations. The hybrid system achieves average removal efficiencies up to ...

journal_title：Chemosphere

authors： Lai C,Guo Y,Cai Q,Yang P

更新日期：2020-12-01 00:00:00

abstract：:Propylbenzenes (PBZs) and trimethylbenzenes (TMBs) are aromatic hydrocarbon compounds widely used in many industries with potential release to different environments. The fate and aquatic effects of these compounds in the environment were evaluated. Evidence suggests that PBZs and TMBs will rapidly volatilise from wat...

journal_title：Chemosphere

authors： Peng L,Lin Y,Meng F,Wu J,Zheng Y,Sun T,Wang G

更新日期：2021-02-01 00:00:00

abstract：:Estrogenic effects of 17β-estradiol (E2) and 17α-ethinylestradiol (EE2) on animals have been widely reported. The high sensitivity of fish in the early-life stages to xenobiotics can be exploited to evaluate the developmental effects of environmentally relevant levels of E2 and EE2. In this work, clearhead icefish (Pr...

journal_title：Chemosphere

authors： Hu S,Zhang H,Shen G,Yuan Z,Xu T,Ji R

更新日期：2017-06-01 00:00:00

abstract：:For many species, social learning is crucial for fitness-related activities, but human-induced environmental changes can impair such learning processes. For instance, mining can release the element, selenium (Se), that is vital for physiological functions but also has toxicological properties at elevated concentration...

journal_title：Chemosphere

authors： Attaran A,Salahinejad A,Naderi M,Crane AL,Niyogi S,Chivers DP

更新日期：2020-05-01 00:00:00

abstract：:The anaerobic biotransformation of trichloroethylene (TCE) can be affected by competing electron acceptors such as Fe (III). This study assessed the role of Fe (III) reduction on the bioenhanced dissolution of TCE dense non-aqueous phase liquid (DNAPL). Columns were set up as 1-D diffusion cells consisting of a lower ...

journal_title：Chemosphere

authors： Paul L,Smolders E

更新日期：2015-01-01 00:00:00

abstract：:The potential of compound-specific stable isotope analysis (CSIA) to characterize biotransformation of brominated organic compounds (BOCs) was assessed and compared to chlorinated analogues. Sulfurospirillum multivorans and Desulfitobacterium hafniense PCE-S catalyzed the dehalogenation of tribromoethene (TBE) to eith...

journal_title：Chemosphere

authors： Woods A,Kuntze K,Gelman F,Halicz L,Nijenhuis I

更新日期：2018-01-01 00:00:00

abstract：:In this paper, a general kinetic model for degradation processes of surfactants is proposed. The model equation is v = K2S2 + K1S + K0, where v is the substrate consumption rate in the biodegradation process, S is the surfactant concentration in the medium and K2, K1, and K0 are kinetic constants. From this general ex...

journal_title：Chemosphere

authors： Quiroga JM,Perales JA,Romero LI,Sales D

更新日期：1999-11-01 00:00:00

abstract：:In this work we present an assessment of mercury (Hg) and methyl mercury (MeHg) bioaccumulation in different species of marine sponges collected off the Northwestern Mediterranean and Northeastern Atlantic coasts. Overall the results showed significant accumulation of Hg in sponges, with the Mediterranean sponge Chond...

journal_title：Chemosphere

authors： Orani AM,Vassileva E,Azemard S,Thomas OP

更新日期：2020-12-01 00:00:00

abstract：:Electrochemical degradation of pentachlorophenol (PCP) in aqueous solution was investigated over Ti/SnO2-Sb electrodes prepared by sol-gel method. X-ray diffraction (XRD), scanning electron microscopy (SEM) and electrochemical measurements were used to characterize the physicochemical properties of the electrodes. The...

journal_title：Chemosphere

authors： Niu J,Bao Y,Li Y,Chai Z

更新日期：2013-09-01 00:00:00

abstract：:Neonicotinoids are widely used insecticides that have frequently been found in freshwater with concentrations ranging from ng to μg/L. It is known that these compounds impact non-target invertebrates, such as bees and gammaridae, in terms of toxicity and behavior, but impacts and species differences on vertebrates suc...

journal_title：Chemosphere

authors： Vignet C,Cappello T,Fu Q,Lajoie K,De Marco G,Clérandeau C,Mottaz H,Maisano M,Hollender J,Schirmer K,Cachot J

更新日期：2019-06-01 00:00:00

abstract：:In this study we report on a three-stage design of algal assisted constructed wetland -microbial fuel cell incorporated sand filter for efficient treatment of wastewater and bioelectricity generation, simulating a core of it. It aims for the complete removal of organic matter and other inorganic pollutants such as NO3...

journal_title：Chemosphere

authors： Gupta S,Nayak A,Roy C,Yadav AK

更新日期：2021-01-01 00:00:00

abstract：:The influence of antimicrobial agents approved as veterinary drugs in Japan on the growth of green algae, Selenastrum capricornutum and Chlorella vulgaris, was studied in accordance with the OECD guidelines for testing chemicals. Among the agents tested, growth inhibitory activity was very varied, i.e. erythromycin sh...

journal_title：Chemosphere

authors： Eguchi K,Nagase H,Ozawa M,Endoh YS,Goto K,Hirata K,Miyamoto K,Yoshimura H

更新日期：2004-12-01 00:00:00

abstract：:Microbial remediation of heavy metal-polluted soil is a commonly used method. Burkholderia sp. Y4, isolated from cadmium (Cd)-contaminated rice rhizosphere soil, was investigated for its direct and indirect effects on Cd accumulation in rice by SEM-EDS, FITR and sequencing analysis of the soil bacterial community. Bur...

journal_title：Chemosphere

authors： Wang C,Huang Y,Yang X,Xue W,Zhang X,Zhang Y,Pang J,Liu Y,Liu Z

更新日期：2020-08-01 00:00:00

abstract：:A practical and efficient disposal method for hydrodechlorination of polychlorinated biphenyls (PCBs) in transformer oil is reported. Transformer oil containing PCBs was treated by nanometric sodium hydride (nano-NaH) and transition metal catalysts. High destruction and removal efficiency (89.8%) can be attained by na...

journal_title：Chemosphere

authors： Wu W,Xu J,Zhao H,Zhang Q,Liao S

更新日期：2005-08-01 00:00:00

abstract：:Alternative disinfection technologies may overcome some of the limitations of conventional treatment applied in swimming pools: chlorine-resistant pathogens (e.g. Cryptosporidium oocysts and Giardia cysts) and the formation of chlorinated disinfection byproducts. In this paper, results of full scale validation of an a...

journal_title：Chemosphere

authors： Ekowati Y,Ferrero G,Farré MJ,Kennedy MD,Buttiglieri G

更新日期：2019-04-01 00:00:00

abstract：:The ecotoxicity of heavy metals depends much on their speciation, which is influenced by other co-existing substances having chelating capacity. In the present study, the toxic effects of Cd(2+) and Cu(2+) on a green algae Scenedesmus obliquus were examined in the presence of two artificial sweeteners (ASs), acesulfam...

journal_title：Chemosphere

authors： Hu H,Deng Y,Fan Y,Zhang P,Sun H,Gan Z,Zhu H,Yao Y

更新日期：2016-05-01 00:00:00

abstract：:Polybrominated diphenyl ethers are a class of brominated flame retardants that are potential endocrine disruptors. 4-Bromodiphenyl ether (BDE-3) is the most abundant photodegradation product of higher polybrominated diphenyl ethers. However, whether BDE-3 affects Leydig cell development during puberty is still unknown...

journal_title：Chemosphere

authors： Chen X,Dong Y,Tian E,Xie L,Wang G,Li X,Chen X,Chen Y,Lv Y,Ni C,Fang Y,Zhong Y,Ge RS

更新日期：2018-11-01 00:00:00

abstract：:The metal emissions from three incinerators burning different feedstock in Taiwan were characterized in this study. It was found that the Incinerators A and B, treating pig carcasses and animal (including pigs) carcasses, respectively, had much higher metal concentrations in stack flue gases than Incinerator C that co...

journal_title：Chemosphere

authors： Chen SJ,Hung MC,Huang KL,Hwang WI

更新日期：2004-06-01 00:00:00

abstract：:Dissipation of alachlor in soil and plant in field condition (cotton cropping system), and in soil, water and fish in simulated model ecosystem was investigated. The acetanilide herbicide, alachlor (50% w/w EC) was applied as pre-emergence at 2.5 and 5.0 kg a.i.ha(-1) three days after sowing the cotton seeds in the fi...

journal_title：Chemosphere

authors： Ramesh A,Maheswari ST

更新日期：2004-02-01 00:00:00

abstract：:We report results of a multigenerational experiment with Chironomus riparius. Two strains with a high and a low level of genetic variability were exposed to a low, environmentally relevant TBT concentration of 80 μg Sn kg(-1)sedimentdw nominally (time weighted mean, based on measured concentrations: 4.5 μg Sn kg(-1)se...

journal_title：Chemosphere

authors： Nowak C,Vogt C,Oehlmann J,Pfenninger M,Schwenk K,Streit B,Oetken M

更新日期：2012-08-01 00:00:00

abstract：:Some of the major factors influencing ammonia volatilisation in a rice wheat rotation system were studied. A continuous airflow enclosure method was used to measure NH3 volatilisation in a field experiment at an agricultural college in Jiangsu Province. The five treatments comprised application rates of 0, 100, 200 or...

journal_title：Chemosphere

authors： Tian G,Cai Z,Cao J,Li X

更新日期：2001-01-01 00:00:00

abstract：:As a broad-spectrum preservative, toxic o-phenylphenol (OPP) was frequently detected in aquatic environments. In this study, N-doped mesoporous carbon was prepared by a hard template method using different nitrogen precursors and carbonization temperatures (i.e., 700, 850 and 1000 °C), and was used to activate peroxym...

journal_title：Chemosphere

authors： Hou J,Yang S,Wan H,Fu H,Qu X,Xu Z,Zheng S

更新日期：2018-04-01 00:00:00

abstract：:The removal efficiency of endocrine disrupting compounds from effluents using pilot scale sewage treatment processes, including various treatment technologies, such as membrane bioreactors (MBR), nanofiltration (NF) and reverse osmosis (RO) for the purpose of water reuse, were estimated and compared. The calculated es...

journal_title：Chemosphere

authors： Lee J,Lee BC,Ra JS,Cho J,Kim IS,Chang NI,Kim HK,Kim SD

更新日期：2008-04-01 00:00:00

abstract：:Iron(III)-tetraamidomacrocyclic ligand (Fe(III)-TAML) activators can activate hydrogen peroxide to oxidize many kinds of organic pollutants. In this study, we investigated the degradation of triclosan, a widely used broad-spectrum bactericide, under the treatment of Fe(III)-TAML/H2O2 system at different pH conditions....

journal_title：Chemosphere

authors： Liang S,Xian Z,Yang H,Wang Z,Wang C,Shi X,Tian H

更新日期：2020-12-01 00:00:00