abstract：:The photocatalytic oxidation of the organic pollutants with the TiO2 as photocatalyst has been widely studied in the world, and many achievements have been got. The degradation of pollutants is highly related with the photocatalytic activity of TiO2. It is demonstrated that doping ions or oxides to TiO2 is one way to ...

journal_title：Chemosphere

authors： Liu GG,Zhang XZ,Xu YJ,Niu XS,Zheng LQ,Ding XJ

更新日期：2004-06-01 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：:The aerobic visible-light-photosensitised irradiation of methanolic solutions of either of the phenolic-type contaminants model compounds (ArOH) p-phenylphenol (PP), p-nitrophenol (NP) and phenol (Ph), and for two additional phenolic derivatives, namely p-chlorophenol (ClP) and p-methoxyphenol (MeOP), used in some exp...

journal_title：Chemosphere

authors： Haggi E,Bertolotti S,García NA

更新日期：2004-06-01 00:00:00

abstract：:In this study, (1) the change in the concentration of bisphenol A (BPA) leached from polycarbonate plastic (PCP) tube to water samples containing phosphate, sodium barbital, glycine, methionine or albumin at 37 degrees C as a function of time, and (2) the degradation rate of BPA leached from PCP tube to amino acid sol...

journal_title：Chemosphere

authors： Sajiki J,Yonekubo J

更新日期：2004-05-01 00:00:00

abstract：:In 1997 a Pollutant Release and Transfer Register (PRTR) pilot project was initiated in Japan. In 1998 the project was expanded and in 1999 a law concerning the establishment of a national PRTR was adopted. Data on the emissions of chemical substances are therefore now being reported on a continuous base. In relation ...

journal_title：Chemosphere

authors： Lerche D,Matsuzaki SY,Sørensen PB,Carlsen L,Nielsen OJ

更新日期：2004-05-01 00:00:00

abstract：:In this study, we examined the influence of the long-range transport of dust particles and air pollutants on the photochemistry of OH and NO3 on Jeju Island, Korea (33.17 degrees N, 126.10 degrees E) during the Asian-dust-storm (ADS) period of April 2001. Three ADS events were observed during the periods of April 10-1...

journal_title：Chemosphere

authors： Shon ZH,Kim KH,Bower KN,Lee G,Kim J

更新日期：2004-05-01 00:00:00

abstract：:The study provides novel attempt to use an aerobic biofiltration system containing entrapped mixed microbial cells (EMMC) for removal of (CH3)3N-dominant waste gases. In the study, heterotrophic microflora-immobilized cellulose was packed into an EMMC reactor to degrade (CH3)3N. Effects of (CH3)3N inlet concentrations...

journal_title：Chemosphere

authors： Chang CT,Chen BY,Shiu IS,Jeng FT

更新日期：2004-05-01 00:00:00

abstract：:Cyclodiene pesticides: aldrin, isodrin, dieldrin and endrin were dechlorinated by methanogenic granular sludge in spiked batch tests. Initial pesticides concentration was 7 or 9 mgl(-1). Two monodechlorinated analogues were formed during the conversions of aldrin and isodrin. Dieldrin was transformed into two monodech...

journal_title：Chemosphere

authors： Baczynski TP,Grotenhuis T,Knipscheer P

更新日期：2004-05-01 00:00:00

abstract：:Water and sediment samples collected from 18 wetland ponds within and outside industrial areas were examined for cadmium concentration and water quality parameters during the period of January to July 1996. The Cd contents in gill, liver, mantle and shell of freshwater mussel (Lamellidens marginalis) as well as leaves...

journal_title：Chemosphere

authors： Das S,Jana BB

更新日期：2004-04-01 00:00:00

abstract：:A pilot-scale treatability study was performed to evaluate the fate of lindane (gamma-hexachlorocyclohexane) in wastewater treatment plants operating in the conventional activated sludge mode. Different types of wastewater (industrial and municipal) spiked with variable lindane concentrations were used at different do...

journal_title：Chemosphere

authors： Kipopoulou AM,Zouboulis A,Samara C,Kouimtzis T

更新日期：2004-04-01 00:00:00

abstract：:Basic yellow 28 (SLY) and Reactive black 5 (CBWB), which are respectively methine and sulfoazo textile dyes were individually exposed to electrochemical treatment using diamond-, aluminium-, copper- and iron-zinc alloy electrodes. The generated current was registered with time during electrolysis of the dye solutions ...

journal_title：Chemosphere

authors： Cerón-Rivera M,Dávila-Jiménez MM,Elizalde-González MP

更新日期：2004-04-01 00:00:00

abstract：:Water chlorination results in formation of a variety of organic compounds, known as chlorination by-products (CBPs), mainly trihalomethanes (THMs) and haloacetic acids (HAAs). Factors affecting their concentrations have been found to be organic matter content of water, pH, temperature, chlorine dose, contact time and ...

journal_title：Chemosphere

authors： Nikolaou AD,Golfinopoulos SK,Arhonditsis GB,Kolovoyiannis V,Lekkas TD

更新日期：2004-04-01 00:00:00

abstract：:Dissolved organic matter (DOM) interacts very strongly with mercury, affecting its speciation, solubility, mobility, and toxicity in the aquatic environment. Strong binding of mercury by DOM is attributed to coordination of mercury at reduced sulfur sites within the organic matter, which are present at concentrations ...

journal_title：Chemosphere

authors： Ravichandran M

更新日期：2004-04-01 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：:A study was conducted using two pilot-scale land-treatment units (LTUs) to evaluate the efficacy of different cultivation and maintenance schedules during bioremediation of contaminated soil from a wood treatment facility using landfarming technology. The soil contained high concentrations of polycyclic aromatic hydro...

journal_title：Chemosphere

authors： Hansen LD,Nestler C,Ringelberg D,Bajpai R

更新日期：2004-03-01 00:00:00

abstract：:Intake fractions (iFs) for emissions to air, water, and soil for 17 PCDDs/DFs and 12 Co-PCBs were calculated with a level III multimedia model and a food-chain exposure model in succession. The two integrated models were tested by comparing the predicted and measured concentrations in the environment and by comparing ...

journal_title：Chemosphere

authors： Hirai Y,Sakai S,Watanabe N,Takatsuki H

更新日期：2004-03-01 00:00:00

abstract：:Levels of polychlorinated dibenzo-p-dioxins (PCDD) and polychlorinated dibenzofurans (PCDF) in both air and soil samples were measured at three different sites in Italy, in proximity to three municipal solid waste incinerators (MSWIs) to determine baseline contamination and the contributory role of incinerator emissio...

journal_title：Chemosphere

authors： Caserini S,Cernuschi S,Giugliano M,Grosso M,Lonati G,Mattaini P

更新日期：2004-03-01 00:00:00

abstract：:The activity of fish monooxygenases has been extensively used as a monitoring tool to detect contamination of water bodies by cytochrome P450-inducing agents. In this study we evaluated the activities of ethoxy- (EROD), methoxy- (MROD) and pentoxy- (PROD) resorufin-O-dealkylases in the liver of Nile tilapias (Oreochro...

journal_title：Chemosphere

authors： Parente TE,De-Oliveira AC,Silva IB,Araujo FG,Paumgartten FJ

更新日期：2004-03-01 00:00:00

abstract：:The control of disinfection by-products during water treatment is primarily undertaken by reducing the levels of precursor species prior to chlorination. As many waters contain natural organic matter at levels of up to 15 mgl(-1) there is a need for a range of control methods to support conventional coagulation. Two s...

journal_title：Chemosphere

authors： Murray CA,Parsons SA

更新日期：2004-02-01 00:00:00

abstract：:The adsorption experiment of nickel ion [Ni(II)] on gamma-type alumina by a differential bed reactor in aqueous solutions was investigated to determine the adsorption characteristics and overall adsorption rate. The adsorbed amount increased rapidly with pH from pH 2 to 6 and kept constant over pH 6. The adsorbed amou...

journal_title：Chemosphere

authors： Hong KM,Kim MS,Chung JG

更新日期：2004-02-01 00:00:00

abstract：:Roadway runoff derived polynuclear aromatic hydrocarbons (PAHs) impact the quality of surface and ground water. Inexpensive aspen wood fibers have been investigated as a means to remove dissolved PAH under laboratory conditions. Our isotherm experiments demonstrated that the uptake of naphthalene, fluorene, anthracene...

journal_title：Chemosphere

authors： Boving TB,Zhang W

更新日期：2004-02-01 00:00:00

abstract：:Fuzzy regression methodology has been employed in this study to develop a relationship for logKoc for persistent organic pollutants (POPs) using other property and molecular descriptors. Fuzzy regression is distinct from statistical regression and is used to characterize the imprecision arising from limited data and/o...

journal_title：Chemosphere

authors： Uddameri V,Kuchanur M

更新日期：2004-02-01 00:00:00

abstract：:To examine the relationship between the nitro group orientation and photochemical degradation, a series of NPAHs, including 6-nitrochrysene, 9-nitroanthracene and 6-nitrobenzo(a)pyrene were irradiated both dissolved in CH3CN and adsorbed onto a surface (alumina, silica, carbon and cellulose). In solution, not all NPAH...

journal_title：Chemosphere

authors： Warner SD,Farant JP,Butler IS

更新日期：2004-02-01 00:00:00

abstract：:Time of flight secondary ion mass spectroscopy has been used to study the metal distribution at the soil/root interface of tree roots extracted from smelter-impacted soils. The results, augmented by scanning electron microscopy, show that the technique is capable of resolving metal distributions at the cellular level....

journal_title：Chemosphere

authors： Martin RR,Naftel SJ,Macfie S,Skinner W,Courchesne F,Séguin V

更新日期：2004-02-01 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：: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：:Representative PM2.5 and PM10 source emissions were sampled in Texas during the Big Bend Regional Aerosol Visibility and Observa (BRAVO) study. Chemical source profiles for elements, ions, and carbon fractions of 145 samples are reported for paved and unpaved road dust, soil dust, motor vehicle exhaust, vegetative bur...

journal_title：Chemosphere

authors： Chow JC,Watson JG,Kuhns H,Etyemezian V,Lowenthal DH,Crow D,Kohl SD,Engelbrecht JP,Green MC

更新日期：2004-01-01 00:00:00

abstract：:The removal of hydrogen sulfide by oxidation-adsorption on two type carbon fibers, Actitex FC1201 and RS1301, was studied. Two kinetic steps where identified. During the first step, the degradation appears to be limited by the oxidation reaction. In the second kinetic step, the by-products inhibit the hydrogen sulfide...

journal_title：Chemosphere

authors： Bouzaza A,Laplanche A,Marsteau S

更新日期：2004-01-01 00:00:00

abstract：:We have determined the congener compositions of nine commercial Aroclor products of polychlorinated biphenyls (PCBs) to the sub-part-per-million level using high-resolution gas chromatography combined with high-resolution mass spectrometry according to US Environmental Protection Agency (EPA) Method 1668A. These Arocl...

journal_title：Chemosphere

authors： Rushneck DR,Beliveau A,Fowler B,Hamilton C,Hoover D,Kaye K,Berg M,Smith T,Telliard WA,Roman H,Ruder E,Ryan L

更新日期：2004-01-01 00:00:00

abstract：:Contamination of soil with hydrocarbons occurs frequently when petroleum ducts are damaged. Restoration of those contaminated soils might be achieved by applying readily available organic material. An uncontaminated clayey soil sampled in the vicinity of a duct carrying diesel which ruptured recently, was contaminated...

journal_title：Chemosphere

authors： Rivera-Espinoza Y,Dendooven L

更新日期：2004-01-01 00:00:00

abstract：:A technologically and economically feasible process called bioleaching was used for the removal of heavy metals from livestock sludge with indigenous sulfur-oxidizing bacteria in this study. The effects of sludge solids concentration on the bioleaching process were examined in a batch bioreactor. Due to the buffering ...

journal_title：Chemosphere

authors： Chen SY,Lin JG

更新日期：2004-01-01 00:00:00

abstract：:Ash samples collected from medical, municipal and small-scale domestic incinerators in Japan were tested for dioxin-like activity using bioassay technique (ethoxyresorufin-O-deethylase: EROD assay) and for extractable organohalogens (EOX) using instrumental neutron activation analysis in order to estimate potential to...

journal_title：Chemosphere

authors： Matsui M,Kashima Y,Kawano M,Matsuda M,Ambe K,Wakimoto T,Doi R

更新日期：2003-12-01 00:00:00

abstract：:Static bioassays were made to evaluate efficiency of supplementation of ascorbic acid to remove stress of pyrethroid pesticide deltamethrin from freshwater catfish Clarias gariepinus. Clarias gariepinus exhibited several symptoms of stress when treated with deltamethrin (0.005 mg/l) for 24 h. Hepatosomatic index, live...

journal_title：Chemosphere

authors： Datta M,Kaviraj A

更新日期：2003-12-01 00:00:00

abstract：:The results of microbial toxicity tests are needed for the risk assessment of polluted sediments. In comparison with animals the anaerobic microorganisms are more tolerant to natural sediment conditions whereas they are more sensitive for a number of specific pollutants. Microbial toxicity tests from a literature sear...

journal_title：Chemosphere

authors： van Beelen P

更新日期：2003-12-01 00:00:00

abstract：:A novel paper-based material containing titanium dioxide (TiO(2)) photocatalyst was successfully prepared by a papermaking technique with the internal addition of inorganic fibers on which TiO(2) particles were supported. Photodegradation performance of acetaldehyde gas, an indoor pollutant, and the durability of the ...

journal_title：Chemosphere

authors： Iguchi Y,Ichiura H,Kitaoka T,Tanaka H

更新日期：2003-12-01 00:00:00

abstract：:We compared experimental and calculated logP values using a data set of 235 pesticides and experimental values from four different sources: The Pesticide Manual, Hansch Manual, ANPA and KowWin databases. LogP were calculated with four softwares: HyperChem, Pallas, KowWin and TOPKAT. Crossed comparison of the experimen...

journal_title：Chemosphere

authors： Benfenati E,Gini G,Piclin N,Roncaglioni A,Varì MR

更新日期：2003-12-01 00:00:00

abstract：:A single microwave extraction procedure was conducted to investigate the bioavailability of rare earth elements (REEs) by using different extractants of 0.05 M EDTA, 0.10 M CH3COOH, 0.10 M HCl, and 0.05 M CaCl2. The experimental conditions of heating time and microwave power were optimized. A microwave power of 60% an...

journal_title：Chemosphere

authors： Lu A,Zhang S,Shan XQ,Wang S,Wang Z

更新日期：2003-12-01 00:00:00

abstract：:Semipermeable membrane devices (SPMDs) are commonly used as a time-integrated measure of aqueous concentrations of persistent hydrophobic chemicals, including PAH, pesticides, dioxins, and PCBs. Another class of persistent hydrophobic chemicals is petroleum biomarker compounds (hopanes and steranes) that are used for ...

journal_title：Chemosphere

authors： Luellen DR,Shea D

更新日期：2003-11-01 00:00:00

abstract：:The paper presents the results of the analysis of water and bottom sediment samples from different locations along the Odra river, collected during eight campaigns in the years 1997-2000. All the basic organic pollutants were determined. Pollution of water with PCBs was negligible while with PAHs was not critical. Con...

journal_title：Chemosphere

authors： Wolska L,Zygmunt B,Namieśnik J

更新日期：2003-11-01 00:00:00

abstract：:The aim of this study was to obtain information about the degradation of t-butyl methyl ether (MTBE; (CH(3))(3)C-O-CH(3)) in atmospheric water droplets (rain, clouds, fog). These water droplets contain hydrogen peroxide and iron ions, which are a source of the powerful oxidising radical OH degrees, particularly under ...

journal_title：Chemosphere

authors： Guillard C,Charton N,Pichat P

更新日期：2003-11-01 00:00:00