Extended filaments of bulking sludge sink in the floc layer with particulate substrate.

abstract：:In vivo studies of the interactions of polybrominated diphenyl ethers (PBDEs) in plants have generally focused on uptake, translocation, metabolism and accumulation, but there were limited reports about the phytotoxicity and translocation of PBDEs in contaminated soil with the effects of nanoparticles. In this study, ...

journal_title：Chemosphere

authors： Wu J,Xie Y,Fang Z,Cheng W,Tsang PE

更新日期：2016-11-01 00:00:00

abstract：:Dispersed swine wastewater has increasingly aggravated water pollution in China. Anaerobically digested dispersed swine wastewater was targeted and treated by a pilot-scale zoning tidal flow constructed wetland (TFCW) with a bottom wastewater saturation layer. The long-term application of in-situ biological regenerati...

journal_title：Chemosphere

authors： Han Z,Dong J,Shen Z,Mou R,Zhou Y,Chen X,Fu X,Yang C

更新日期：2019-02-01 00:00:00

abstract：:The complexation of Fe(II) with organic ligand results in the decrease of redox potential, and enhances the reduction ability of Fe(II). An important example is the use of Fe(II)-organic complexes to accelerate Cr(VI) reduction. Dissolved O(2) and light can potentially affect Cr(VI) reduction; however, these two facto...

journal_title：Chemosphere

authors： Tzou YM,Wang MK,Loeppert RH

更新日期：2003-06-01 00:00:00

abstract：:In the present study, the macroscopic sorption behaviors and microscopic immobilization mechanisms of Ni(II) at cryptomelane/water interfaces were explored using the combination of batch sorption technique, desorption procedure, theoretical simulation, X-ray diffraction (XRD), Fourier transform infrared spectroscopy (...

journal_title：Chemosphere

authors： Wu C,Chen L,Yang S,Cai Y,Xu L,Wu X,Qin H,Liu Z,Chen L,Wang S

更新日期：2018-11-01 00:00:00

abstract：:Ozonation as final wastewater (WW) polishing step, following conventional activated sludge treatment is increasingly implemented in sewage treatment for contaminant degradation to prevent surface water pollution. While the oxidative degradation of chemicals has been extensively investigated, the in vivo toxicological ...

journal_title：Chemosphere

authors： Magdeburg A,Stalter D,Oehlmann J

更新日期：2012-08-01 00:00:00

abstract：:Foraging aggregations of east Pacific green sea turtles (Chelonia mydas) inhabit the Seal Beach National Wildlife Refuge (SBNWR) and San Diego Bay (SDB), two habitats in southern California, USA, located near urbanized areas. Both juvenile and adult green turtles forage in these areas and exhibit high site fidelity, w...

journal_title：Chemosphere

authors： Barraza AD,Komoroske LM,Allen C,Eguchi T,Gossett R,Holland E,Lawson DD,LeRoux RA,Long A,Seminoff JA,Lowe CG

更新日期：2019-05-01 00:00:00

abstract：:In the treatment of a polluted soil, the pH has a strong impact on the development of different physicochemical processes as precipitation/dissolution, adsorption/desorption or ionic exchange. In addition, the pH determines the chemical speciation of the compounds present in the system and, consequently, it conditions...

journal_title：Chemosphere

authors： López Vizcaíno R,Yustres A,Asensio L,Saez C,Cañizares P,Rodrigo MA,Navarro V

更新日期：2018-05-01 00:00:00

abstract：:In continuation of investigation for environmentally benign protocol for new solvents termed deep eutectic solvents (DESs), it is herein reported results concerning the toxicity and cytotoxicity of choline chloride (ChCl) based DESs with four hydrogen bond donors including glycerine, ethylene glycol, triethylene glyco...

journal_title：Chemosphere

authors： Hayyan M,Hashim MA,Hayyan A,Al-Saadi MA,AlNashef IM,Mirghani ME,Saheed OK

更新日期：2013-02-01 00:00:00

abstract：:Pesticide mixtures are common in the streams of agricultural or urban catchments. Individual and cartel toxicity of four different pesticides, namely Endosulfan, Carbofuran, Methyl parathion and Cypermethrin were studied. Sub acute exposure (1/10th of LC50) for 1, 7, 15, 30 and 60 days in Clarias batrachus active tiss...

journal_title：Chemosphere

authors： Narra MR

更新日期：2016-02-01 00:00:00

abstract：:The levels of 14 micropollutants including nine pharmaceuticals, two pesticides, and three endocrine disruptors were measured in a water treatment plant (WTP) in Seoul, Korea. Among the measured micropollutants, 12 (excluding atrazine and triclocarban) were found in the influent and effluent from the WTP, at levels ra...

journal_title：Chemosphere

authors： Nam SW,Jo BI,Yoon Y,Zoh KD

更新日期：2014-01-01 00:00:00

abstract：:The activities of heterogeneous Fenton and Photo-Fenton processes using pyrite (FeS2) prepared via a solvethermal method were evaluated by oxidation of p-nitrophenol (PNP). PNP could be completely ultrarapidly oxidized by Pyrite-Photo-Fenton (Pyrite-PF) system within 4 min, versus 10 min in Pyrite-Fenton (Pyrite-F) sy...

journal_title：Chemosphere

authors： Zeng L,Gong J,Dan J,Li S,Zhang J,Pu W,Yang C

更新日期：2019-08-01 00:00:00

abstract：:In this study, activated petroleum coke (APC) and commercial activated carbon (CAC) were used in a continuous adsorption column for removal of model naphthenic acids and organics from real oil sands process-affected water (OSPW). Diphenylacetic acid and 2-naphthoic acid, two model naphthenic acid (NA) compounds, were ...

journal_title：Chemosphere

authors： Niasar HS,Das S,Xu CC,Ray MB

更新日期：2019-01-01 00:00:00

abstract：:An investigation was conducted for 20 different types of sludge in order to identify the key organic compounds in extracellular polymeric substances (EPS) that are important in assessing variations of sludge filterability. The different types of sludge varied in initial total solids (TS) content, organic composition a...

journal_title：Chemosphere

authors： Xiao K,Chen Y,Jiang X,Zhou Y

更新日期：2017-03-01 00:00:00

abstract：:In several countries such as the Netherlands, consumption of eel from polluted waters is not allowed because the concentrations of polychlorinated biphenyls (PCBs) exceed official tolerance limits. Few experiments have been carried out to assess if pre-treatment, such as cooking and frying would alter the PCB concentr...

journal_title：Chemosphere

authors： de Boer J,Lammertse N,Koekkoek J,van Hattum B

更新日期：2013-01-01 00:00:00

abstract：:Compound-specific isotope analysis (CSIA) is a promising tool to study the environmental fate of a wide range of contaminants including pesticides. In this study, a novel CSIA method was developed to analyse the stable carbon isotope signatures of widely used chloroacetanilide herbicides. The developed method was appl...

journal_title：Chemosphere

authors： Elsayed OF,Maillard E,Vuilleumier S,Nijenhuis I,Richnow HH,Imfeld G

更新日期：2014-03-01 00:00:00

abstract：:A biennial integrated survey, based on the use of vascular plants for the bioindication of the effects of tropospheric ozone together with the use of automatic analysers of ozone, as well as the mapping of lichen biodiversity was performed in the area of Castelfiorentino (Tuscany, central Italy). Photochemically produ...

journal_title：Chemosphere

authors： Nali C,Balducci E,Frati L,Paoli L,Loppi S,Lorenzini G

更新日期：2007-05-01 00:00:00

abstract：:Environmental pollutants suspected of disrupting the endocrine system are considered etiologic factors in the epidemic of metabolic disorders. As regulation of energy metabolism relies on the integrated action of a large number of hormones, we hypothesized that certain chemicals could trigger changes in glucocorticoid...

journal_title：Chemosphere

authors： Vega N,Pinteur C,Buffelan G,Loizon E,Vidal H,Naville D,Le Magueresse-Battistoni B

更新日期：2021-01-01 00:00:00

abstract：:The present study was to isolate and identify a potent algicidal compound from extract of Salvia miltiorrhiza and study the potential inhibition mechanism on Microcystis aeruginosa. Column chromatography and bioassay-guided fractionation methods were carried out to yield neo-przewaquinone A, which was identified by sp...

journal_title：Chemosphere

authors： Zhang C,Yi YL,Hao K,Liu GL,Wang GX

更新日期：2013-10-01 00:00:00

abstract：:Rice grains are a methylmercury (MeHg) intake route for humans, especially in certain mercury (Hg)-contaminated areas. For rice plant growth, animal manure is commonly used as an organic fertilizer; however, its role in the formation of MeHg in paddy soils remains poorly understood. The aims of this study were thus to...

journal_title：Chemosphere

authors： Li Y,He X,Wang Y,Guan J,Guo J,Xu B,Chen YH,Wang G

更新日期：2020-06-01 00:00:00

abstract：:A method has been developed and validated in order to assess the occurrence of the alkylphenols tert-octylphenol and the isomers of technical nonylphenol as well as bisphenol A in gasphase and aerosol samples of a remote area. Gasphase samples were adsorbed to XAD2 resin, aerosol samples were taken on glass fiber filt...

journal_title：Chemosphere

authors： Berkner S,Streck G,Herrmann R

更新日期：2004-01-01 00:00:00

abstract：:In this research, mechanochemical reduction was carried out to remediate Cr(VI) contaminated soil, and the reduction effectiveness was evaluated by analyzing the corresponding leachable fraction obtained through the toxicity characteristic leaching procedure (TCLP) proposed by the EPA. The results indicated that mecha...

journal_title：Chemosphere

authors： Yuan W,Xu W,Wu Z,Zhang Z,Wang L,Bai J,Wang X,Zhang Q,Zhu X,Zhang C,Wang J

更新日期：2018-12-01 00:00:00

abstract：:The toxicities of Cr (III) and Cr (VI) in water were evaluated using sulfur-oxidizing bacterial (SOB) bioassays both in batch and fed-batch conditions. Two days were enough for a quick buildup of SOB consortium in the master culture reactor (MCR). At concentrations up to 100 mg L(-1), Cr (III) was found to be nontoxic...

journal_title：Chemosphere

authors： Qambrani NA,Hwang JH,Oh SE

更新日期：2016-10-01 00:00:00

abstract：:The effects of chloridazon exposure at concentrations of 2.7 μg/L (maximal real environmental concentration in the Czech Republic), 27 μg/L, 135 μg/L and 270 μg/L on early life stages of marbled crayfish (Procambarus virginalis) were evaluated. Significantly higher glutathione S-transferase activity and reduced glutat...

journal_title：Chemosphere

authors： Velisek J,Stara A,Zuskova E,Chabera J,Kubec J,Buric M,Kouba A

更新日期：2020-10-01 00:00:00

abstract：:Hydrothermal carbonization (HTC) has become an esteemed method to convert sewage sludge into biochar. Besides dewatering and disinfection the process is suggested to reduce the micropollutant load, which would be beneficial for the use of biochar as fertilizer. This study was designed to examine reduction of micropoll...

journal_title：Chemosphere

authors： vom Eyser C,Schmidt TC,Tuerk J

更新日期：2016-06-01 00:00:00

abstract：:Ultrafine and nanometric sediment inputs into river systems can be a major source of nutrients and hazardous elements and have a strong impact on water quality and ecosystem functions of rivers and lakes regions. However, little is known to date about the spatial distribution of sediment sources in most large scale ri...

journal_title：Chemosphere

authors： Civeira MS,Ramos CG,Oliveira ML,Kautzmann RM,Taffarel SR,Teixeira EC,Silva LF

更新日期：2016-02-01 00:00:00

abstract：:Electrostatic and complexation effects have been considered as the primary adsorption mechanisms for defluorination using aluminum based materials, while the effect of ion exchange between anions and fluorine ion has been mostly ignored, although synthesized alumina materials usually contain a large amount of anions, ...

journal_title：Chemosphere

authors： He Y,Huang L,Song B,Wu B,Yan L,Deng H,Yang Z,Yang W,Wang H,Liang Z,Luo J

更新日期：2021-01-19 00:00:00

abstract：:The toxicity of receiving waters was evaluated by means of the young tadpoles assays. The sentinel organism was Bufo arenarum, an indigenous anuran species. The assayed water samples were taken from a highly polluted urban watercourse (Reconquista River, Buenos Aires, Argentina), characterized by high concentration of...

journal_title：Chemosphere

authors： Ferrari L,de la Torre FR,Demichelis SO,García ME,Salibián A

更新日期：2005-04-01 00:00:00

abstract：:Concentrations of 23 polychlorinated biphenyls (PCBs), p,p'-DDT and two of its metabolites, p,p'-DDE and p,p'-TDE have been measured in serum samples of up to 1 ml of Egyptian Vulture (Neophron percnopterus) gathered from five populations in Spain. SigmaPCB concentrations were found to be in the range 3.2-97 ng/ml, wh...

journal_title：Chemosphere

authors： Gómara B,Ramos L,Gangoso L,Donázar JA,González MJ

更新日期：2004-04-01 00:00:00

abstract：:Alkylphenol (AP) metabolites were characterized in the bile of Atlantic cod (Gadus morhua L.) after exposure to nine individual compounds (10mg/kg fish), 2-methylphenol (2-MP), 4-methylphenol (4-MP), 3,5-dimethylphenol (3,5-DMP), 2,4,6-trimethylphenol (2,4,6-TMP), 4-tert-butylphenol (4-t-BP), 4-tert-butyl-2-methylphen...

journal_title：Chemosphere

authors： Jonsson G,Stokke TU,Cavcic A,Jørgensen KB,Beyer J

更新日期：2008-04-01 00:00:00

abstract：:An efficient and inexpensive catalyst for oxygen reduction reaction (ORR), polyaniline (PANI) and β-MnO2 nanocomposites (PANI/β-MnO2), was developed for air-cathode microbial fuel cells (MFCs). The PANI/β-MnO2, β-MnO2, PANI and β-MnO2 mixture modified graphite felt electrodes were fabricated as air-cathodes in double-...

journal_title：Chemosphere

authors： Zhou X,Xu Y,Mei X,Du N,Jv R,Hu Z,Chen S

更新日期：2018-05-01 00:00:00