Bacterial regrowth in water reclamation and distribution systems revealed by viable bacterial detection assays.

abstract：:The key stocks and flows of phosphorus (P) through food consumption in Beijing and Tianjin, two megacities in northern China, were explored using a material flow analysis (MFA) approach to construct a static model of P metabolism. A total of 4498 t P has accumulated with 72% of P flow imported through food consumption...

journal_title：Chemosphere

authors： Qiao M,Zheng YM,Zhu YG

更新日期：2011-08-01 00:00:00

abstract：:The present work investigated the direct and indirect photolysis of pesticide residues (atrazine, imazaquin, iprodione), in aqueous solutions and under UV-visible radiation (280-480nm). Different kinds of humic substances (HS) were added to samples in order to evaluate their behaviour as possible photocatalysts and th...

journal_title：Chemosphere

authors： Garbin JR,Milori DM,Simões ML,da Silva WT,Neto LM

更新日期：2007-01-01 00:00:00

abstract：:Aerobic sludge granulation is an attractive new technology for biological wastewater treatment. However, the instability of aerobic granules caused by fungal growth is still one of the main problems encountered in granular bioreactors. In this study, laboratory experiments were conducted to investigate the fate and tr...

journal_title：Chemosphere

authors： Li AJ,Zhang T,Li XY

更新日期：2010-01-01 00:00:00

abstract：:A field study was performed which compared predicted and measured concentrations of chemicals in receiving water organisms from three sampling locations on Five Mile Creek, Birmingham, Al. Two point source discharges, both from coke manufacturing facilities, were included in the field site and five chemicals were stud...

journal_title：Chemosphere

authors： Burkhard LP,Sheedy BR,McCauley DJ

更新日期：1994-07-01 00:00:00

abstract：:Taihu Basin is the most developed area in China, which economic development has resulted in pollutants being produced and discharged into rivers and the lake. Lake Taihu is located in the center of the basin, which is characterized by a complex network of rivers and channels. To assess the sources and fate of dissolve...

journal_title：Chemosphere

authors： Yao X,Zhang Y,Zhu G,Qin B,Feng L,Cai L,Gao G

更新日期：2011-01-01 00:00:00

abstract：:The results are presented of a survey planned to assess the presence of high concern chemicals in sediments collected in a northern sector of the Adriatic sea neighboring the Venice lagoon. For the assessment, persistent marker chemicals were selected from the families of polycyclic aromatic hydrocarbons, polychlorobi...

journal_title：Chemosphere

authors： Miniero R,Ingelido AM,Iamiceli AL,Ferri F,Iacovella N,Fulgenzi AR,De Felip E,di Domenico A

更新日期：2007-08-01 00:00:00

abstract：:Both organic and inorganic precursors play important roles in the formation and speciation of disinfection by-products (DBPs). This study aimed to investigate the efficacy of three different anion exchange resins for removing both organic and inorganic DBP precursors simultaneously in a single treatment system. Resins...

journal_title：Chemosphere

authors： Kanan A,Soyluoglu M,Karanfil T

更新日期：2021-01-01 00:00:00

abstract：:The term persistence has been used to confusion since it is used as a conceptual parameter without a uniform definition. Work is therefore being done in order to unite ideas and describe persistence based on the chemical reactivity and chemico-physical properties of compounds via investigation of the main degradation ...

journal_title：Chemosphere

authors： Bastos PM,Eriksson J,Green N,Bergman A

更新日期：2008-01-01 00:00:00

abstract：:Glyphosate-based herbicides (e.g. Roundup) are extensively used in the aquatic environment, but there is a paucity of data on the toxicity of the formulated products and the influences by environmental factors. In this study, the acute toxicity of technical-grade glyphosate acid, isopropylamine (IPA) salt of glyphosat...

journal_title：Chemosphere

authors： Tsui MT,Chu LM

更新日期：2003-08-01 00:00:00

abstract：:The secondary metallurgy industry is considered as one source of polychlorinated dibenzo-p-dioxin and dibenzofurans (PCDD/Fs). This study investigated the emission factors and total emissions amounts of PCDD/Fs and dioxin-like polychlorinated biphenyls (dioxin-like PCBs) released from secondary aluminum and copper met...

journal_title：Chemosphere

authors： Ba T,Zheng M,Zhang B,Liu W,Xiao K,Zhang L

更新日期：2009-05-01 00:00:00

abstract：:This paper expands upon our original work on nitroanthracenes in (Alparone, A., Librando, V., 2012. Spectrochim. Acta A 89, 129-136) on the series of nitrophenanthrene isomers. Geometries, electric properties, IR and Raman spectra of 1-, 2-, 3-, 4- and 9-nitrophenanthrene (1-NP, 2-NP, 3-NP, 4-NP and 9-NP) were obtaine...

journal_title：Chemosphere

authors： Alparone A,Librando V

更新日期：2013-01-01 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：:Antibiotics, an important type of environmental contamination, have attracted many researchers to the study of their removal from aqueous solutions. Adsorption technology is a fast, efficient, and economical physicochemical method that is extensively used in wastewater treatment. From original activated carbon and car...

journal_title：Chemosphere

authors： Yu F,Li Y,Han S,Ma J

更新日期：2016-06-01 00:00:00

abstract：:The bioremediation efficiency of petroleum hydrocarbons in natural soil-water systems is regulated by active microbial populations and other system parameters. Relevant factors include the transfer rate of petroleum contaminants from a medium into microorganisms, the partitioning behavior of contaminants from water in...

journal_title：Chemosphere

authors： Chen CH,Liu PG,Whang LM

更新日期：2019-10-01 00:00:00

abstract：:Recent studies indicated that the algal decomposition produces particulate and dissolved organic carbon (DOC), and can enhance denitrification in eutrophic lakes. However, the effects of the living cyanobacteria on nitrogen cycling in eutrophic lakes were still an unknown question. This study explores a new underlying...

journal_title：Chemosphere

authors： Chen X,Huang Y,Chen G,Li P,Shen Y,Davis TW

更新日期：2018-04-01 00:00:00

abstract：:The concentrations of total gaseous mercury (TGM) and its relevant environmental parameters were measured at a highly industrialized area in the Ban Wall industrial complex (BWIC) in An San city, Korea from March to May 2005. The mean concentrations of Hg measured during the entire study period were computed to be 6.3...

journal_title：Chemosphere

authors： Nguyen HT,Kim KH,Kim MY,Kang CH,Shim SG

更新日期：2008-05-01 00:00:00

abstract：:This research was aimed at evaluating the performance UV only and sulfite-mediated photoreduction process (an advanced reduction process) in the degradation, dechlorination and mineralization of 2, 4, 6-trichlorophenol (TCP). Firstly efficiency of sulfite-mediated photoreduction (SMP) process in the degradation of TCP...

journal_title：Chemosphere

authors： Yazdanbakhsh A,Eslami A,Moussavi G,Rafiee M,Sheikhmohammadi A

更新日期：2018-01-01 00:00:00

abstract：:Inorganic binder-based stabilization/solidification (S/S) of Pb-contaminated soil is a commonly used remediation approach. This paper investigates the influences of soluble Pb species on the hydration process of two types of inorganic binders: ordinary Portland cement (OPC) and magnesium potassium phosphate cement (MK...

journal_title：Chemosphere

authors： Wang YS,Dai JG,Wang L,Tsang DCW,Poon CS

更新日期：2018-01-01 00:00:00

abstract：:Degradation of 14C-DDT was studied in a marine ecosystem for 60 days and in marine sediments under moist and flooded conditions using a continuous flow system for a period of 130 days. 14C-DDT residues were recovered in sediments of the marine ecosystem at uniform level of 60-65% of the applied 14C-activity throughout...

journal_title：Chemosphere

authors： Kale SP,Murthy NB,Raghu K,Sherkhane PD,Carvalho FP

更新日期：1999-09-01 00:00:00

abstract：:Manipulative field studies are useful for investigating cause-effect relationships between contamination and benthic community health. However, there are many challenges for creating environmentally relevant exposures and determining what measurements are necessary to correctly interpret the results. This study descri...

journal_title：Chemosphere

authors： Hill NA,Johnston EL,King CK,Simpson SL

更新日期：2011-04-01 00:00:00

abstract：:The effect of chlorine on the fuel-rich oxidation of hydrocarbons and on the molecular weight growth of aromatics is analyzed by simulating experiments featuring a model chlorinated additive CH3Cl in a jet-stirred/plug-flow reactor and premixed flames. The kinetic model used in this work emphasizes the role of resonan...

journal_title：Chemosphere

authors： Violi A,D'Anna A,D'Alessio A

更新日期：2001-02-01 00:00:00

abstract：:A passive sampling device, a polar organic chemical integrative sampler (POCIS), was used to monitor 13 pharmaceuticals and 8 transformation products in upstream and downstream wastewater treatment plant effluent. A POCIS laboratory calibration study was performed to determine uptake behavior and the effect of water f...

journal_title：Chemosphere

authors： Li Y,Yao C,Zha D,Yang W,Lu G

更新日期：2018-11-01 00:00:00

abstract：:The adverse impacts of AFB1 on gut-microbiota dependent metabolism in F344 rats were assessed via ultra-high performance liquid chromatography (UHPLC)-profiling and UHPLC-mass spectrometry (MS) metabolomic analyses. UHPLC-profiling analysis found 1100 raw peaks from the fecal samples collected at week 4, of which 335 ...

journal_title：Chemosphere

authors： Zhou J,Tang L,Wang JS

更新日期：2019-02-01 00:00:00

abstract：:The objective of the study was to assess the applicability of the mycelium obtained from the in vitro cultures of nontoxic bracket fungus, Pleurotus eryngii, to sulfonamides mycodegradation. Samples containing one of the six selected sulfonamides, sulfanilamide derivatives, were incubated with the mycelium of P. eryng...

journal_title：Chemosphere

authors： Baran W,Adamek E,Włodarczyk A,Lazur J,Opoka W,Muszyńska B

更新日期：2021-01-01 00:00:00

abstract：:Waste sulfuric acid is a byproduct generated from numerous industrial chemical processes. It is essential to remove the impurities and recover the sulfuric acid from the waste acid. In this study the rectification method was introduced to recover high purity sulfuric acid from the waste acid generated in toluene nitra...

journal_title：Chemosphere

authors： Song K,Meng Q,Shu F,Ye Z

更新日期：2013-01-01 00:00:00

abstract：:MnCe oxides were supported on TiO(2) and Al(2)O(3) by an ultrasonic impregnation method and used for selective catalytic reduction (SCR) of NO with NH(3) at low-temperature (80-220 degrees C). MnCe/TiO(2) showed a relatively higher SCR activity than MnCe/Al(2)O(3) at the temperature range of 80-150 degrees C. When the...

journal_title：Chemosphere

authors： Jin R,Liu Y,Wu Z,Wang H,Gu T

更新日期：2010-02-01 00:00:00

abstract：:More than 300 samples of human milk were collected from individuals residing in various regions across Canada in the years 1992 to 2005. The milks were taken from the main populated areas east to west in southern Canada as well as from the region of Nunavik in northern Quebec and analysed for polychlorinated dibenzo-p...

journal_title：Chemosphere

authors： Ryan JJ,Rawn DF

更新日期：2014-05-01 00:00:00

abstract：:This work presents a continuous set-up for SCWO, which was operated at mild conditions (380 °C, 25 MPa, oxidant equivalence ratio of 2.0 and residence time of 26 s) to oxidize cellulose, lignin, and acetic acid as model compounds. The aim was to oxidize different organics consecutively to near completion in the same m...

journal_title：Chemosphere

authors： Zhang D,Ghysels S,Ronsse F

更新日期：2020-07-01 00:00:00

abstract：:Considerable lacunae exists in As and F(-) co-contamination investigation in the Brahmaputra and Gangetic floodplains. Therefore we selected Diphu a township in the Karbi Plateau rising from the Brahmaputra floodplains for evaluation of As and F co-occurrence, correlation with coexisting ions of the aquifer system and...

journal_title：Chemosphere

authors： Kumar M,Das A,Das N,Goswami R,Singh UK

更新日期：2016-05-01 00:00:00

abstract：:This paper reports on the effect of aqueous and nano-particulated Pb on oxidative stress (lipid peroxidation), cytoxicity, and cell mortality. As determined by the Thiobarbituric Acid Reactive Substances (TBARS) method, only 6h after incubation aqueous suspensions bearing nano-sized PbO(2), soluble Pb(II), and brain-h...

journal_title：Chemosphere

authors： Cornejo-Garrido H,Kibanova D,Nieto-Camacho A,Guzmán J,Ramírez-Apan T,Fernández-Lomelín P,Garduño ML,Cervini-Silva J

更新日期：2011-09-01 00:00:00