Abundance of total and metabolically active Candidatus Microthrix and fungal populations in three full-scale wastewater treatment plants.

abstract：:We studied the influence of hydroxypropylcyclodextrins (HPCDs) on the toxicity of some mixtures. Using the Photobacterium phosphoreum toxicity test, the joint toxicological effect for Mixture I (containing p-nitrobenzaldehyde and 1-nitronaphthalene) and Mixture II (containing p-nitrobenzaldehyde and malononitrile) wer...

journal_title：Chemosphere

authors： Lin Z,Kong D,Zhong P,Yin K,Dong L

更新日期：2005-03-01 00:00:00

abstract：:The ecological risks of antibiotics in aquatic environments have raised great concerns worldwide, but the chronic effect of antibiotic contaminants on cyanotoxin production and release remains unclear. This study investigated the long-term combined effects of spiramycin (SP) and ampicillin (AMP) on microcystin (MC) pr...

journal_title：Chemosphere

authors： Wang Z,Chen Q,Zhang J,Dong J,Ao Y,Wang M,Wang X

更新日期：2019-11-01 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：:Microbial granules with excellent settle-ability were successfully developed at different ammonium-N loadings in four sequencing batch reactors run under alternating aerobic-anaerobic conditions. Results showed that heterotrophic, nitrifying and denitrifying populations could co-exist in the microbial granules. The ac...

journal_title：Chemosphere

authors： Qin L,Liu Y

更新日期：2006-05-01 00:00:00

abstract：:In recent years, many studies have been devoted to investigate the application of biochar for pollutants removal from aqueous solutions. Biochar exhibits a great potential to efficiently tackle water contaminants considering the wide availability of feedstock, low-cost and favorable physical/chemical surface character...

journal_title：Chemosphere

authors： Tan X,Liu Y,Zeng G,Wang X,Hu X,Gu Y,Yang Z

更新日期：2015-04-01 00:00:00

abstract：:Antilipidemic drugs are routinely detected in effluent and surface waters downstream of wastewater treatment plants. A mixture exposure study with nine environmentally relevant antilipidemic drugs was performed with zebrafish (Danio rerio, ZF) and fathead minnow (Pimephales promelas, FHM) embryos to investigate the ef...

journal_title：Chemosphere

authors： Kingcade A,Ahuja N,Jefferson A,Schaffer PA,Ryschon H,Cadmus P,Garrity D,Ramsdell H

更新日期：2021-01-01 00:00:00

abstract：:This study utilized the freshwater amphipod (Hyalella azteca) for the indication of contamination risk levels of sediment-associated contaminants in the Erren (ER1∼ER10) and Sanye Rivers (SY1∼SY5) which were contaminated by metal scrap and smelting industries for decades. Toxicity identification evaluations involving ...

journal_title：Chemosphere

authors： Wang BR,Dahms HU,Wu MC,Jhuo NJ,Hsieh CY

更新日期：2021-01-01 00:00:00

abstract：:Infectious diseases have been implicated as a cause of high rates of adult mortality in southern sea otters. Exposure to environmental contaminants can compromise the immuno-competence of animals, predisposing them to infectious diseases. In addition to organic pollutants, certain trace elements can modulate the immun...

journal_title：Chemosphere

authors： Kannan K,Agusa T,Perrotta E,Thomas NJ,Tanabe S

更新日期：2006-12-01 00:00:00

abstract：:An approximately four months long glasshouse experiment was conducted to examine the effects of elevated carbon dioxide (CO(2)) concentration (1,000 +/- 50 micromol mol(-1)) in the atmosphere on biomass accumulation and allocation pattern, clonal growth and nitrogen (N), phosphorus (P) accumulation by the submerged pl...

journal_title：Chemosphere

authors： Yan X,Yu D,Li YK

更新日期：2006-01-01 00:00:00

abstract：:The logarithmic n-octanol/water partition coefficient (logK(ow)) is a very important property which concerns water-solubility, bioconcentration factor, toxicity and soil absorption coefficient of organic compounds. Quantitative structure-property relationship (QSPR) model for logK(ow) of 133 polychlorinated biphenyls ...

journal_title：Chemosphere

authors： Lü W,Chen Y,Liu M,Chen X,Hu Z

更新日期：2007-09-01 00:00:00

abstract：:A decline in the availability of fossil fuel resources coupled with deleterious environmental concerns has prompted further research into biofuels. Conventional bioethanol production via a first-generation approach may soon become superseded through integration with lignocellulosic feedstocks. However, the underlying ...

journal_title：Chemosphere

authors： Cooper J,Kavanagh J,Razmjou A,Chen V,Leslie G

更新日期：2020-02-01 00:00:00

abstract：:In this study, a series of layered double hydroxide (ZxAy LDH) material was synthesized with different molar ratios and calcination temperatures to remove phosphate and sulfate ions from synthetic solution. ZxAy LDH was characterized by XRD, FTIR, BET and SEM analysis. The highest removal was obtained by Z3A200 LDH th...

journal_title：Chemosphere

authors： Iftekhar S,Küçük ME,Srivastava V,Repo E,Sillanpää M

更新日期：2018-10-01 00:00:00

abstract：:Till now, the Sahara desert sands have scarcely characterized for their organic contents, despite they are known to heavily affect Europe and America when transported by winds. In this study, the composition of sands collected in ten oasis lying in two regions of the Algerian Sahara during 2011 was investigated with r...

journal_title：Chemosphere

authors： Balducci C,Ladji R,Muto V,Romagnoli P,Yassaa N,Cecinato A

更新日期：2014-07-01 00:00:00

abstract：:Aerosol samples were collected with a high-volume cascade impactor with a 10 day sampling frequency at the Gruvebadet observatory, close to Ny-Ålesund (Svalbard Islands). A total of 42 filters were analyzed for free and combined amino acids, as they are key components of bio-aerosol. This article provides the first in...

journal_title：Chemosphere

authors： Feltracco M,Barbaro E,Kirchgeorg T,Spolaor A,Turetta C,Zangrando R,Barbante C,Gambaro A

更新日期：2019-04-01 00:00:00

abstract：:Concentrations of Ti, Ga, As, Sc, Zr, Sn, Hf, Th, U and Y have been determined for 70 paddy soils from 14 villages, selected throughout Sri Lanka by means of ICP-MS. The mean elemental contents of all paddy soil samples were 6120 Ti, 14.1 Ga, 0.84 As, 7.26 Sc, 129 Zr, 2.27 Sn, 3.64 Hf, 12.71 Th, 1.53 U, and 13.35 Y (a...

journal_title：Chemosphere

authors： Chandrajith R,Dissanayake CB,Tobschall HJ

更新日期：2005-03-01 00:00:00

abstract：:Chlorinated aromatics undergo surface-mediated reactions with metal oxides to form Environmentally Persistent Free Radicals (EPFRs) which can further react to produce polychlorinated dibenzo-p-dioxins and dibenzofurans (PCDD/Fs). Previous work using laboratory-made fly ash surrogates composed of transition metal oxide...

journal_title：Chemosphere

authors： Potter PM,Dellinger B,Lomnicki SM

更新日期：2016-02-01 00:00:00

abstract：:The objectives of this work were to study the effect of urea addition to the fuel before the combustion on the suppression of PCDD/F emissions, to examine the influence of urea to PCDD/F isomer patterns by employing statistical analysis techniques and to determine the most effective method of urea addition. Urea in th...

journal_title：Chemosphere

authors： Samaras P,Blumenstock M,Lenoir D,Schramm KW,Kettrup A

更新日期：2001-02-01 00:00:00

abstract：:The poor mobility of organic pollutants in contaminated sites frequently results in slow remediation processes. Organics, especially hydrophobic compounds, are generally retained strongly in soil matrix as a result of sorption, sequestration, or even formation into non-aqueous-phase liquids and their mobility is thus ...

journal_title：Chemosphere

authors： Luo Q,Zhang X,Wang H,Qian Y

更新日期：2005-06-01 00:00:00

abstract：:Chemical kinetics of trichloroethene (TCE) degradation by pyrite was investigated at different experimental conditions. The TCE was transformed into C2H2, 1,1-dichloroethene (DCE) and C2H4 by a slow process (240 h required to convert TCE by 80%). Thereafter, the degradation rate showed a monotonous increase with the p...

journal_title：Chemosphere

authors： Weerasooriya R,Dharmasena B

更新日期：2001-02-01 00:00:00

abstract：:Total atmospheric deposition, i.e. both wet and dry ones, was sampled during three different sampling periods between 1994 and 2002. The aim of this study is to determine the temporal variation of the atmospheric deposition fluxes of four heavy metals (Cd, Cu, Pb and Zn) in an urban area (Paris region, France). The gl...

journal_title：Chemosphere

authors： Azimi S,Rocher V,Garnaud S,Varrault G,Thevenot DR

更新日期：2005-11-01 00:00:00

abstract：:A comparative study on denitrifying sludge granulation with different electron donors (sulfide, thiosulfate and organics) was carried out. Longer time was spent on sulfide-denitrifying granular sludge (DGS) cultivation (88 days) than thiosulfate- and organics-DGS cultivations (57 days). All the three DGS were characte...

journal_title：Chemosphere

authors： Qian J,Wei L,Wu Y,Wang Q,Fu X,Zhang X,Chang X,Wang L,Pei X

更新日期：2017-11-01 00:00:00

abstract：:Chemically prepared activated carbon material derived from palm flower was used as adsorbent for removal of Amido Black dye in aqueous solution. Batch adsorption studies were performed for the removal of Amido Black 10B (AB10B), a di-azo acid dye from aqueous solutions by varying the parameters like initial solution p...

journal_title：Chemosphere

authors： Nethaji S,Sivasamy A

更新日期：2011-03-01 00:00:00

abstract：:To better understand the transformation and photochemical fate of PAHs in aquatic environments, a custom-designed closed-circuit recirculation photodegradation system, combined with inline semi-continuous fluorescence and absorbance measurements, as well as modelling of excitation-emission (EEM) measurements with para...

journal_title：Chemosphere

authors： Seopela MP,Powers LC,Clark C,Heyes A,Gonsior M

更新日期：2020-12-21 00:00:00

abstract：:Four upflow 0.018 m3 biofilters (3 beds), B-ME, B-200, B-500 and B-700, all packed with inorganic materials, were operated at a constant air flow rate of 0.18 m3 h-1 to eliminate methane (CH4), a harmful greenhouse gas (GHG), and styrene (C8H8), a carcinogenic volatile organic compound (VOC). The biofilters were irrig...

journal_title：Chemosphere

authors： Khabiri B,Ferdowsi M,Buelna G,Jones JP,Heitz M

更新日期：2020-08-01 00:00:00

abstract：:Neurotransmitters pathways in fish and mammals are phylogenetically conserved. Therefore, the environmental presence of psychopharmaceuticals, such as fluoxetine (FLU), are likely to interact with fish serotonergic, dopaminergic and adrenergic systems, affecting their response and associated biological functions. Henc...

journal_title：Chemosphere

authors： Cunha V,Rodrigues P,Santos MM,Moradas-Ferreira P,Ferreira M

更新日期：2018-01-01 00:00:00

abstract：:Antibiotics and antibacterials are present in water bodies worldwide but little is known about their effects on the biological processes often used to treat water. In this research, the effect of antibiotics on bacterial activity and community structure was investigated by growing biofilms in the presence and absence ...

journal_title：Chemosphere

authors： Wunder DB,Tan DT,LaPara TM,Hozalski RM

更新日期：2013-02-01 00:00:00

abstract：:During an earlier study, polybrominated diphenyl ethers were detected at high concentrations in fish and sediments downstream of a manufacturing site in NE England. We have now undertaken analysis of 14 tri- to heptabromodiphenyl ether congeners in tissues of two species of marine top predators exposed to these compou...

journal_title：Chemosphere

authors： Law RJ,Allchin CR,Bennett ME,Morris S,Rogan E

更新日期：2002-02-01 00:00:00

abstract：:The Southern Yellow Sea (SYS) is an important reservoir of anthropogenic organic contaminants, such as polybrominated diphenyl ethers (PBDEs). To reconstruct the historical records of PBDEs and examine their relationships with the human activities and organic matters, a210Pb-dated sediment core was collected from the ...

journal_title：Chemosphere

authors： Wang G,Feng L,Qi J,Li X

更新日期：2017-12-01 00:00:00

abstract：:This paper presents a comparison between two different materials used as carriers: inert polyurethane (PU) foam and biodegradable polymer polycaprolactone (PCL) particles for the removal of organics and nitrogen from wastewater with a low C/N ratio using moving bed biofilm reactors. The results, during a monitoring pe...

journal_title：Chemosphere

authors： Chu L,Wang J

更新日期：2011-03-01 00:00:00

abstract：:The cigarette smoke in public area could be harmful to the non-smokers. In this paper, laser-induced breakdown spectroscopy (LIBS) is applied to the in situ detection of the cigarette smoke in public area, and the single particles aerosol mass spectrometer (SPAMS) is utilized to aid the elemental analysis as well as r...

journal_title：Chemosphere

authors： Zhang Q,Liu Y,Yin W,Yan Y,Li L,Xing G

更新日期：2020-03-01 00:00:00