Application of aluminum-supported Pd, Rh, and Rh-Pd nanoparticles in supercritical carbon dioxide system for hydrodebromination of polybrominated diphenyl ethers.

abstract：:This study investigated the removal of Orange II by an electro-Fenton process using a novel recirculation flow-through reactor. The hydrogen peroxide was generated in-situ on the activated carbon fiber (ACF) modified with carbon black and polytetrafluoroethylene (PTFE). The modified ACF cathode was characterized by sc...

journal_title：Chemosphere

authors： Jiao Y,Ma L,Tian Y,Zhou M

更新日期：2020-08-01 00:00:00

abstract：:The purpose of this study was to quantify the influences of tubificid worms on the biogeochemical functioning of an infiltration system impacted by a stormwater sediment deposit. Effects of worms with stormwater sediment deposit were compared with effects of worms with two other natural sediment deposits (one low and ...

journal_title：Chemosphere

authors： Nogaro G,Mermillod-Blondin F,Montuelle B,Boisson JC,Lafont M,Volat B,Gibert J

更新日期：2007-12-01 00:00:00

abstract：:We developed a useful analytical method for the determination of polycyclic aromatic hydrocarbons (PAH) concentrations in the aerosol of China. We used an accelerated solvent extraction (ASE) method for the extraction of PAHs from the aerosol samples, in order to reduce the extraction time and the solvent volume used....

journal_title：Chemosphere

authors： Okuda T,Naoi D,Tenmoku M,Tanaka S,He K,Ma Y,Yang F,Lei Y,Jia Y,Zhang D

更新日期：2006-10-01 00:00:00

abstract：:Organochlorine pesticides are persistent lipophilic organic pollutants and tend to accumulate in growing plants. During growth, cork is in contact with the open air for long periods (9-12 years). Owing to the previous widespread use of organochlorine pesticides and their high persistence in the environment, there is a...

journal_title：Chemosphere

authors： Olivella MÀ,Caixach J,Planas C,Oliveras A,Jové P

更新日期：2012-02-01 00:00:00

abstract：:Pentabromocyclododecanols (PBCDOHs) are potential environmental transformation products of hexabromocyclododecanes (HBCDs). They are also potential stage one metabolites of biological HBCD transformations. Herein, we present analytical evidence that PBCDOHs are also constituents of technical HBCDs and flame-proofed po...

journal_title：Chemosphere

authors： Heeb NV,Zindel D,Schweizer WB,Lienemann P

更新日期：2012-07-01 00:00:00

abstract：:The main metabolites formed from Iprodione and Procymidone during the composting process have been isolated and identified by HPLC-DAD-MSD. After addition of the fungicides to the composting pile, we monitored the reaction of the two analytes and the formation of their degradation products for eight months. We verifie...

journal_title：Chemosphere

authors： Vanni A,Gamberini R,Calabria A,Nappi P

更新日期：2000-11-01 00:00:00

abstract：:The combined use of electrokinetic remediation and phytoremediation to decontaminate soil polluted with heavy metals has been demonstrated in a laboratory-scale experiment. The plants species selected were rapeseed and tobacco. Three kinds of soil were used: un-contaminated soil from forest area (S1), artificially con...

journal_title：Chemosphere

authors： Bi R,Schlaak M,Siefert E,Lord R,Connolly H

更新日期：2011-04-01 00:00:00

abstract：:Pyridine and organics containing pyridine rings are widely used but persist in the environment and cause toxic pollution. Due to the attraction of the nitrogen atoms to the electrons in the pi bond, the pyridine ring is difficult to oxidize by oxidant. Here, we propose that ultraviolet (UV) irradiation activates the e...

journal_title：Chemosphere

authors： Liu T,Ding Y,Liu C,Han J,Wang A

更新日期：2020-11-01 00:00:00

abstract：:Boron nitride Nanosheets (BNNSs) was fabricated with a method of heating the mixture of boric acid and urea in N2 atmosphere and used to remove estrone (E1) from water. The obtained BNNSs exhibited a higher surface area of 896 m2/g, a large pore volume of 0.76 cm3/g, and only few layers (0.398 nm) with the boric acid ...

journal_title：Chemosphere

authors： Liu G,Zhang Z,Yan C,Wang Y,Ma X,Gao P,Feng Y

更新日期：2018-09-01 00:00:00

abstract：:Electron donor limitations likely reduce microbial enhanced trichloroethene (TCE) dense non-aqueous phase liquid (DNAPL) dissolution. This study quantitatively examined the relation between the DNAPL dissolution enhancement and the electron donor supply rate. An experiment used diffusion-cells with a 5.5 cm central sa...

journal_title：Chemosphere

authors： Philips J,Van Muylder R,Springael D,Smolders E

更新日期：2013-03-01 00:00:00

abstract：:Mine tailing from the El Teniente-Codelco copper mine situated in VI Region of Chile was analysed in order to evaluate the mobility and speciation of copper in the solid material. Mine tailing was sampled after the rougher flotation circuits, and the copper content was measured to 1150 mg kg (-1) dry matter. This tail...

journal_title：Chemosphere

authors： Hansen HK,Yianatos JB,Ottosen LM

更新日期：2005-09-01 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：:Oxidative degradation of Alizarin Red S (ARS) in aqueous solutions by using electro-Fenton was studied. At first, effect of operating parameters such as current density, aeration rate and initial pH on the degradation of ARS were studied by using UV-vis spectrum, respectively. Then, under the optimal operating conditi...

journal_title：Chemosphere

authors： Lai B,Zhou Y,Wang J,Yang Z,Chen Z

更新日期：2013-11-01 00:00:00

abstract：:The fate assessment of nanomaterials in municipal sewage treatment plants (STP) is a crucial step for their environmental risk assessment and may be assessed by monitoring full scale STP, dosage to medium scale pilot STP or by laboratory testing. For regulatory purposes preferably standardised test protocols such as t...

journal_title：Chemosphere

authors： Gartiser S,Flach F,Nickel C,Stintz M,Damme S,Schaeffer A,Erdinger L,Kuhlbusch TA

更新日期：2014-06-01 00:00:00

abstract：:Aluminum-salt inactivating agents are extensively applied to the restoration of lakes polluted by internal phosphorus (hereinafter referred to as "P"). However, there is a lack of micromechanism information regarding the sediment P cycle and its interactions with aluminum salts, which has restricted the engineering ap...

journal_title：Chemosphere

authors： Wang J,Chen J,Chen Q,Yang H,Zeng Y,Yu P,Jin Z

更新日期：2019-01-01 00:00:00

abstract：:In 2007, a program was initiated to monitor air levels of volatile organic compounds (VOCs) and bioaerosols in the vicinity of a municipal solid waste incinerator (MSWI) (Tarragona, Catalonia, Spain). To investigate the temporal trends of chemical and microbiological pollutants, four 6-monthly campaigns were performed...

journal_title：Chemosphere

authors： Vilavert L,Nadal M,Figueras MJ,Kumar V,Domingo JL

更新日期：2011-09-01 00:00:00

abstract：:This study aims to investigate the performance of anaerobic membrane bioreactor (AnMBR) for removing five polycyclic musks (PCMs), which are common active ingredients of personal care and household cleaning products. A laboratory scale AnMBR system was used in this investigation. Concentrations of the PCMs in both the...

journal_title：Chemosphere

authors： Wang L,Wijekoon KC,Nghiem LD,Khan SJ

更新日期：2014-12-01 00:00:00

abstract：:Microcystinase (MlrA) catalyzes the first and most important biodegradation step of hepatotoxic microcystin-LR (MC-LR) produced and released from cyanobacterial cells, and the underlying catalytic mechanism is not completely understood yet. MlrA was postulated previously to be a metalloprotease with an active site of ...

journal_title：Chemosphere

authors： Xu Q,Fan J,Yan H,Ahmad S,Zhao Z,Yin C,Liu X,Liu Y,Zhang H

更新日期：2019-12-01 00:00:00

abstract：:Paper receipt has been documented as one major source of bisphenol A (BPA) for human exposure but little has been done by researchers to elaborate the potential health risk caused by handling paper receipt up to date. In the present study, BPA was analyzed in 42 supermarket receipts collected from Shenzhen, China. BPA...

journal_title：Chemosphere

authors： Lu SY,Chang WJ,Sojinu SO,Ni HG

更新日期：2013-08-01 00:00:00

abstract：:In the Ag(II)/Ag(I) based mediated electrochemical oxidation (MEO) process, the spent waste from the electrochemical cell, which is integrated with the scrubber columns, contains high concentrations of precious silver as dissolved ions in both the anolyte and the catholyte. This work presents an electrochemical develo...

journal_title：Chemosphere

authors： Chandrasekara Pillai K,Chung SJ,Moon IS

更新日期：2008-11-01 00:00:00

abstract：:Bioavailability of metals in soil is a major factor influencing estimates of risk associated with exposure of ecological receptors. Metal concentrations in soil are often compared to ecological screening benchmarks, which are based on total concentrations in soil. Often, the total concentration is not correlated with ...

journal_title：Chemosphere

authors： Smith BA,Greenberg B,Stephenson GL

更新日期：2010-10-01 00:00:00

abstract：:The present experiment was designed to monitor the morphotoxic, cytotoxic and genotoxic potential of Mancozeb (fungicide) in non-target plants using bulbs of Allium cepa. Mancozeb is classified as a contact fungicide and is registered for use on a variety of crop plants. In the present monitoring, Allium cepa bulbs we...

journal_title：Chemosphere

authors： Fatma F,Verma S,Kamal A,Srivastava A

更新日期：2018-03-01 00:00:00

abstract：:Source apportionment of fluorine pollution in the regional shallow groundwater at You'xi County, southeast China, has been analyzed by means of monitoring F(-) ion change characteristics in this area. Meanwhile, pollution sources and influencing factors of the shallow groundwater have been uncovered by studying the co...

journal_title：Chemosphere

authors： Lü J,Qiu H,Lin H,Yuan Y,Chen Z,Zhao R

更新日期：2016-09-01 00:00:00

abstract：:The present paper deals with the atenolol (ATL) degradation by advanced anodic oxidation using a boron-doped diamond anode supported on niobium (Nb/BDD). Cyclic voltammetry performed on this electrode revealed that it presents a high quality (diamond-sp3/sp2-carbon ratio), high potential for OER and that ATL can be ox...

journal_title：Chemosphere

authors： Arenhart Heberle AN,García-Gabaldón M,Ortega EM,Bernardes AM,Pérez-Herranz V

更新日期：2019-12-01 00:00:00

abstract：:In this study, we tested phenolic compounds such as bisphenol A (BPA), 4-nonylphenol (NP), 4-octylphenol (OP) and 4-propylphenol (PP) by using glucose-6-phosphate dehydrogenase (G6PD) in estrogen sensitive human breast cancer cells (MCF-7 cells) and glutathione peroxidase (GPx) in female immature Sprague-Dawley (SD) r...

journal_title：Chemosphere

authors： Kim KB,Seo KW,Kim YJ,Park M,Park CW,Kim PY,Kim JI,Lee SH

更新日期：2003-03-01 00:00:00

abstract：:Various adsorbents for a solid phase extraction (SPE) method were used to study their ability to separate PCBs from transformer oil to rapidly determine their sub-ppm concentration in the transformer oil. Approximately 90% of the transformer oil could be removed from the PCBs by using a hydrophilic-lipophilic balanced...

journal_title：Chemosphere

authors： Na YC,Kim KJ,Hong J,Seo JJ

更新日期：2008-08-01 00:00:00

abstract：:The novelty of this communication lies in the use of a Ti-RuO2 anode which has not been tested for the oxidation of free cyanide in alkaline media at concentrations similar to those found in wastewater from the Merrill Crowe process (100 mg L-1 KCN and pH 11), which is typically used for the recovery of gold and silve...

journal_title：Chemosphere

authors： Pérez T,López RL,Nava JL,Lázaro I,Velasco G,Cruz R,Rodríguez I

更新日期：2017-06-01 00:00:00

abstract：:Microalgae cultivation using open cultivation systems requires large area and it is susceptible to contamination as well as weather changes. Meanwhile, the closed systems require large capital investment, and they are susceptible to the build-up of dissolved oxygen. Air-liquid interface culture systems with low water-...

journal_title：Chemosphere

authors： Yap JX,Leo CP,Mohd Yasin NH,Derek CJC

更新日期：2021-01-18 00:00:00

abstract：:Addressing food security issues arising from phosphorus (P) scarcity is described as one of the greatest global challenges of the 21st Century. Dependence on inorganic phosphate fertilisers derived from limited geological sources of P creates an urgent need to recover P from wastes and treated waters, in safe forms th...

journal_title：Chemosphere

authors： Melia PM,Cundy AB,Sohi SP,Hooda PS,Busquets R

更新日期：2017-11-01 00:00:00

abstract：:Persulfate based advanced oxidation process is a promising technology for refractory contaminants removal. Cobalt is considered as the most efficient metal in catalyzing peroxymonosulfate decomposition. Although different cobalt based nanomaterials have been developed, easy aggregation and metal ion leaching during ca...

journal_title：Chemosphere

authors： Zhao YH,Huang BC,Jiang J,Xia WJ,Li GF,Fan NS,Jin RC

更新日期：2020-04-01 00:00:00