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1. Adsorption of selected endocrine disrupting compounds and pharmaceuticals on activated biochars

Author:
Jung, Chanil; Park, Junyeong; Lim, Kwang Hun; Park, Sunkyu; Heo, Jiyong; Her, Namguk; Oh, Jeill; Yun, Soyoung; Yoon, Yeomin
Source:
Journal of hazardous materials 2013 v.263 pp. 702-710
ISSN:
0304-3894
Subject:
Pinus taeda; activated carbon; adsorbents; adsorption; atrazine; biochar; bisphenol A; endocrine-disrupting chemicals; hydrophobicity; ibuprofen; nuclear magnetic resonance spectroscopy; pH; sulfamethoxazole; surface area
Abstract:
... Chemically activated biochar produced under oxygenated (O-biochar) and oxygen-free (N-biochar) conditions were characterized and the adsorption of endocrine disrupting compounds (EDCs): bisphenol A (BPA), atrazine (ATR), 17 α-ethinylestradiol (EE2), and pharmaceutical active compounds (PhACs); sulfamethoxazole (SMX), carbamazepine (CBM), diclofenac (DCF), ibuprofen (IBP) on both biochars and comme ...
DOI:
10.1016/j.jhazmat.2013.10.033

2. Advanced oxidation of a commercially important nonionic surfactant: Investigation of degradation products and toxicity

Author:
Karci, Akin; Arslan-Alaton, Idil; Bekbolet, Miray
Source:
Journal of hazardous materials 2013 v.263 pp. 275-282
ISSN:
0304-3894
Subject:
Vibrio fischeri; acute toxicity; aldehydes; carbon; carboxylic acids; nonionic surfactants; oxidation; polyethylene glycol; toxicity testing
Abstract:
... The evolution of degradation products and changes in acute toxicity during advanced oxidation of the nonionic surfactant nonylphenol decaethoxylate (NP-10) with the H2O2/UV-C and photo-Fenton processes were investigated. H2O2/UV-C and photo-Fenton processes ensured complete removal of NP-10, which was accompanied by the generation of polyethylene glycols with 3–8 ethoxy units. Formation of aldehyd ...
DOI:
10.1016/j.jhazmat.2013.03.052

3. A facile approach to fabricate porous nanocomposite gels based on partially hydrolyzed polyacrylamide and cellulose nanocrystals for adsorbing methylene blue at low concentrations

Author:
Zhou, Chengjun; Lee, Sunyoung; Dooley, Kerry; Wu, Qinglin
Source:
Journal of hazardous materials 2013 v.263 pp. 334-341
ISSN:
0304-3894
Subject:
adsorption; aqueous solutions; cellulose; crosslinking; esterification; gels; heat treatment; methylene blue; molecular weight; nanocomposites; nanocrystals; polyacrylamide; porosity; solvents
Abstract:
... Porous nanocomposite gels were fabricated by a facile method consisting of the electrospinning and subsequent heat treatment based on partially hydrolyzed polyacrylamide (HPAM) of ultra-high molecular weight, with cellulose nanocrystals (CNCs) as crosslinker. The effects of three electrospinning parameters (i.e., solution concentration, composition of solvent mixture, and CNC loading level) on mor ...
DOI:
10.1016/j.jhazmat.2013.07.047

4. A multiple stressor approach to study the toxicity and sub-lethal effects of pharmaceutical compounds on the larval development of a marine invertebrate

Author:
González-Ortegón, E.; Blasco, J.; Le Vay, L.; Giménez, L.
Source:
Journal of hazardous materials 2013 v.263 pp. 233-238
ISSN:
0304-3894
Subject:
Palaemon serratus; analgesics; anti-inflammatory activity; clofibric acid; clotrimazole; coastal water; fungicides; instars; larvae; larval development; rearing; salinity; seawater; shrimp; sublethal effects; temperature
Abstract:
... We studied the effects of three common pharmaceutical compounds on growth, development and body mass of larval stages of the marine shrimp Palaemon serratus at different temperatures and salinities. The pharmaceuticals compounds tested were the anti-inflammatory and analgesic diclofenac sodium, the lipid regulator clofibric acid and the fungicide clotrimazole. Neither diclofenac nor clofibric acid ...
DOI:
10.1016/j.jhazmat.2013.09.041

5. An environmental forensic procedure to analyse anthropogenic pressures of urban origin on surface water of protected coastal agro-environmental wetlands (L’Albufera de Valencia Natural Park, Spain)

Author:
Pascual-Aguilar, Juan; Andreu, Vicente; Picó, Yolanda
Source:
Journal of hazardous materials 2013 v.263 pp. 214-223
ISSN:
0304-3894
Subject:
acetaminophen; cocaine; codeine; forensic sciences; geographic information systems; georeferencing; ibuprofen; illicit drugs; irrigation; irrigation canals; liquid chromatography; metabolites; population density; solid phase extraction; surface water; tandem mass spectrometry; wastewater; water treatment; wetlands; Spain
Abstract:
... Detection and spatial distribution of 14 drugs of abuse and 17 pharmaceuticals in surface waters was investigated to determine transport hydrological connectivity between urban, agriculture and natural environments. Solid-phase extraction and liquid chromatography tandem mass spectrometry was applied to all samples. To determine spatial incidence of contaminants, analytical results of target compo ...
DOI:
10.1016/j.jhazmat.2013.07.052

6. An evaluation of tannery industry wastewater treatment sludge gasification by artificial neural network modeling

Author:
Ongen, Atakan; Kurtulus Ozcan, H.; Arayıcı, Semiha
Source:
Journal of hazardous materials 2013 v.263 pp. 361-366
ISSN:
0304-3894
Subject:
chemical structure; correlation; feedstocks; gasification; neural networks; prediction; sludge; synthesis gas; tanneries; temporal variation; wastewater; wastewater treatment
Abstract:
... This paper reports on the calorific value of synthetic gas (syngas) produced by gasification of dewatered sludge derived from treatment of tannery wastewater. Proximate and ultimate analyses of samples were performed. Thermochemical conversion alters the chemical structure of the waste. Dried air was used as a gasification agent at varying flow rates, which allowed the feedstock to be quickly conv ...
DOI:
10.1016/j.jhazmat.2013.03.043

7. A new insight on the core–shell structure of zerovalent iron nanoparticles and its application for Pb(II) sequestration

Author:
Zhang, Yalei; Su, Yiming; Zhou, Xuefei; Dai, Chaomeng; Keller, Arturo A.
Source:
Journal of hazardous materials 2013 v.263 pp. 685-693
ISSN:
0304-3894
Subject:
X-ray photoelectron spectroscopy; adsorption; coprecipitation; heavy metals; iron; lead; nanoparticles; pH; temperature; transmission electron microscopy
Abstract:
... Nanoscale zerovalent iron (nZVI) has shown a high efficacy for removing heavy metals from liquid solution. However, its removal capacity has not been fully explored due to its common shell composition (FeOOH). In this study, a much higher removal capacity of Pb(II) is observed (1667mgPb(II)/gFe), which is over 100% higher than the highest removal capacity of nZVI reported before. High-resolution X ...
DOI:
10.1016/j.jhazmat.2013.10.031

8. Application of a new adsorbent for fluoride removal from aqueous solutions

Author:
Srivastav, Arun Lal; Singh, Prabhat K.; Srivastava, Varsha; Sharma, Yogesh C.
Source:
Journal of hazardous materials 2013 v.263 pp. 342-352
ISSN:
0304-3894
Subject:
Fourier transform infrared spectroscopy; X-ray diffraction; adsorbents; anions; aqueous solutions; bicarbonates; bismuth; chemical composition; crystal structure; oxides; scanning electron microscopy
Abstract:
... Hydrous bismuth oxides (HBOs) have been investigated as a possible adsorbent for fluoride removal from water. Apart from bismuth trioxide (Bi2O3) compound, three additional HBOs, named as HBO1, HBO2, and HBO3 were synthesized in the laboratory and examined for their relative potentials for fluoride removal from aqueous solutions. HBO1 was observed to have highest fluoride removal at 10mg/L initial ...
DOI:
10.1016/j.jhazmat.2013.04.017

9. Bisphenol A treatment by the hot persulfate process: Oxidation products and acute toxicity

Author:
Olmez-Hanci, Tugba; Arslan-Alaton, Idil; Genc, Bora
Source:
Journal of hazardous materials 2013 v.263 pp. 283-290
ISSN:
0304-3894
Subject:
Vibrio fischeri; activation energy; acute toxicity; benzaldehyde; benzoic acid; bisphenol A; gas chromatography; mass spectrometry; oxidation; pH; phenol; succinic acid; temperature; toxicity testing
Abstract:
... In this study, a thermally activated persulfate oxidation process was investigated to treat aqueous Bisphenol A (BPA) solution. The effect of temperature (40–50–60–70°C), initial pH (pH=3.0, 6.5, 9.0 and 11.0) and persulfate concentration (0–20mM) on bisphenol A (BPA) and TOC removals was examined. The activation energy for hot persulfate oxidation of BPA was calculated as 184±12kJ/mol. Acidic and ...
DOI:
10.1016/j.jhazmat.2013.01.032

10. Cationic polymer-immobilized polysulfone-based fibers as high performance sorbents for Pt(IV) recovery from acidic solutions

Author:
Won, Sung Wook; Kim, Sok; Kotte, Pratap; Lim, Areum; Yun, Yeoung-Sang
Source:
Journal of hazardous materials 2013 v.263 pp. 391-397
ISSN:
0304-3894
Subject:
Escherichia coli; Fourier transform infrared spectroscopy; acid tolerance; adsorbents; adsorption; biomass; coatings; crosslinking; glutaraldehyde; hydrochloric acid; ions; platinum; scanning electron microscopy; spinning; thiourea; wastewater
Abstract:
... This work reports a novel concept for the development of a polysulfone (PS)-based fiber as a high-performance acid-tolerant adsorbent for the recovery of platinum group metals (PGMs), particularly Pt(IV), in acidic media. Polyethylenimine (PEI)-coated PS-Escherichia coli biomass composite fiber (PEI-PSBF) was prepared by spinning biomass-PS blends in water, coating with PEI and cross-linking with ...
DOI:
10.1016/j.jhazmat.2013.09.019

11. Citric acid modifies surface properties of commercial CeO2 nanoparticles reducing their toxicity and cerium uptake in radish (Raphanus sativus) seedlings

Author:
Trujillo-Reyes, J.; Vilchis-Nestor, A.R.; Majumdar, S.; Peralta-Videa, J.R.; Gardea-Torresdey, J.L.
Source:
Journal of hazardous materials 2013 v.263 pp. 677-684
ISSN:
0304-3894
Subject:
Raphanus sativus; absorption; biomass; cerium; citric acid; coatings; image analysis; nanoparticles; nutrient uptake; radishes; seed germination; seedlings; seeds; toxicity; transmission electron microscopy; water content; zeta potential
Abstract:
... Little is known about the mobility, reactivity, and toxicity to plants of coated engineered nanoparticles (ENPs). Surface modification may change the interaction of ENPs with living organisms. This report describes surface changes in commercial CeO2 NPs coated with citric acid (CA) at molar ratios of 1:2, 1:3, 1:7, and 1:10 CeO2:CA, and their effects on radish (Raphanus sativus) seed germination, ...
DOI:
10.1016/j.jhazmat.2013.10.030
CHORUS:
10.1016/j.jhazmat.2013.10.030

12. Combination of solid phase extraction and dispersive liquid–liquid microextraction for separation/preconcentration of ultra trace amounts of uranium prior to its fiber optic-linear array spectrophotometry determination

Author:
Dadfarnia, Shayessteh; Shabani, Ali Mohammad Haji; Shakerian, Farid; Shiralian Esfahani, Golnaz
Source:
Journal of hazardous materials 2013 v.263 pp. 670-676
ISSN:
0304-3894
Subject:
absorption; aluminum oxide; cations; chloroform; detection limit; groundwater; liquid-phase microextraction; malachite green; mineral water; neutralization; nitric acid; river water; seawater; solid phase extraction; spectroscopy; uranium
Abstract:
... A simple and sensitive method for the separation and preconcentration of the ultra trace amounts of uranium and its determination by spectrophotometry was developed. The method is based on the combination of solid phase extraction and dispersive liquid–liquid microextraction. Thus, by passing the sample through the basic alumina column, the uranyl ion and some cations are separated from the sample ...
DOI:
10.1016/j.jhazmat.2013.10.028

13. Combination of two-dimensional correlation spectroscopy and parallel factor analysis to characterize the binding of heavy metals with DOM in lake sediments

Author:
Xu, Huacheng; Yu, Guanghui; Yang, Liuyan; Jiang, Helong
Source:
Journal of hazardous materials 2013 v.263 pp. 412-421
ISSN:
0304-3894
Subject:
absorption; binding properties; binding sites; dissolved organic matter; factor analysis; heavy metals; lakes; models; sediments; spectroscopy; toxicity; water pollution; zinc
Abstract:
... Enhanced knowledge on the binding of heavy metal (HM) with dissolved organic matter (DOM) is essential for understanding the toxicity and migration of HMs. In this study, two-dimensional correlation spectroscopy (2D-COS) and parallel factor (PARAFAC) analysis were combined to characterize the metal binding properties of DOMs, which were respectively extracted from macrophyte- and algal-dominant se ...
DOI:
10.1016/j.jhazmat.2013.09.042

14. Could microwave induced catalytic oxidation (MICO) process over CoFe2O4 effectively eliminate brilliant green in aqueous solution?

Author:
Ju, Yongming; Wang, Xiaoyan; Qiao, Junqin; Li, Guohua; Wu, You; Li, Yuan; Zhang, Xiuyu; Xu, Zhencheng; Qi, Jianying; Fang, Jiande; Dionysiou, Dionysios D.
Source:
Journal of hazardous materials 2013 v.263 pp. 600-609
ISSN:
0304-3894
Subject:
X-ray diffraction; X-ray photoelectron spectroscopy; activated carbon; aqueous solutions; coprecipitation; hydroxyl radicals; irradiation; microstructure; oxidation; pH; salicylic acid; sodium hydroxide; sol-gel processing; temperature; transmission electron microscopy
Abstract:
... In this study, we adopted the chemical co-precipitation (CP) method and sol–gel method followed by calcination at temperatures of 100–900°C for 12h to synthesize CoFe2O4 materials, which were further characterized by TEM, XRD and XPS techniques. The properties of CoFe2O4 materials were evaluated in a microwave (MW) induced catalytic oxidation (MICO) process for the elimination of brilliant green ( ...
DOI:
10.1016/j.jhazmat.2013.10.022

15. Degradation of simazine from aqueous solutions by diatomite-supported nanosized zero-valent iron composite materials

Author:
Sun, Zhiming; Zheng, Shuilin; Ayoko, Godwin A.; Frost, Ray L.; Xi, Yunfei
Source:
Journal of hazardous materials 2013 v.263 pp. 768-777
ISSN:
0304-3894
Subject:
X-ray photoelectron spectroscopy; aqueous solutions; X-ray diffraction; simazine; iron; models; evaporation; remediation; scanning electron microscopy; transmission electron microscopy; diatomaceous earth; composite materials; centrifugation; Bacillariophyceae
Abstract:
... A novel composite material based on deposition of nanosized zero-valent iron (nZVI) particles on acid-leached diatomite was synthesised for the removal of a chlorinated contaminant in water. The nZVI/diatomite composites were characterised by X-ray diffraction, scanning electron microscopy, elemental analysis, transmission electron microscopy and X-ray photoelectron spectroscopy. Compared with the ...
DOI:
10.1016/j.jhazmat.2013.10.045

16. Determination of microcystins and nodularin (cyanobacterial toxins) in water by LC–MS/MS. Monitoring of Lake Marathonas, a water reservoir of Athens, Greece

Author:
Kaloudis, Triantafyllos; Zervou, Sevasti-Kiriaki; Tsimeli, Katerina; Triantis, Theodoros M.; Fotiou, Theodora; Hiskia, Anastasia
Source:
Journal of hazardous materials 2013 v.263 pp. 105-115
ISSN:
0304-3894
Subject:
autumn; detection limit; drinking water; hepatotoxins; ionization; lakes; liquid chromatography; mass spectrometry; microcystins; monitoring; nodularin; screening; seasonal variation; solid phase extraction; water reservoirs; Greece
Abstract:
... A method for the determination of the hepatotoxic cyanotoxins microcystins (MCs, i.e. MC-LR, MC-RR, MC-YR, MC-LA) and nodularin (NOD) in water was developed using liquid chromatography with electrospray ionization triple quadrupole mass spectrometry (LC–ESI-MS/MS) after solid phase extraction (SPE). New patterns of fragmentation of MC-LA were observed under the experimental conditions used. The me ...
DOI:
10.1016/j.jhazmat.2013.07.036

17. Dynamic interactions between hydrogeological and exposure parameters in daily dose prediction under uncertainty and temporal variability

Author:
Kumar, Vikas; Barros, Felipe P.J. de; Schuhmacher, Marta; Fernàndez-Garcia, Daniel; Sanchez-Vila, Xavier
Source:
Journal of hazardous materials 2013 v.263 pp. 197-206
ISSN:
0304-3894
Subject:
HCH (pesticide); groundwater contamination; humans; insecticide residues; lindane; physiological response; prediction; risk assessment; river water; rivers; temporal variation; uncertainty; Spain
Abstract:
... We study the time dependent interaction between hydrogeological and exposure parameters in daily dose predictions due to exposure of humans to groundwater contamination. Dose predictions are treated stochastically to account for an incomplete hydrogeological and geochemical field characterization, and an incomplete knowledge of the physiological response. We used a nested Monte Carlo framework to ...
DOI:
10.1016/j.jhazmat.2013.08.036

18. Ecological screening indicators of stress and risk for the Llobregat river water

Author:
López-Roldán, Ramon; Jubany, Irene; Martí, Vicenç; González, Susana; Cortina, Jose Luis
Source:
Journal of hazardous materials 2013 v.263 pp. 239-247
ISSN:
0304-3894
Subject:
MCPA (herbicide); antibiotic residues; aquatic ecosystems; barium; chlorpyrifos; ciprofloxacin; clarithromycin; copper; diazinon; herbicide residues; insecticide residues; lindane; nickel; pollutants; risk; river water; rivers; screening; terbuthylazine; water pollution; water treatment; watersheds; zinc
Abstract:
... The objective of this article is to develop and apply several simple and rough indicators for river aquatic ecosystems assessment in order to screen potential chemical stressors. Several indicators, based on toxicity (PNEC) and on legislation levels (EQS) have been developed. All these indicators are ratios that were calculated by using public and private data of concentrations of a large list of ...
DOI:
10.1016/j.jhazmat.2013.07.008

19. Effective sulfur and energy recovery from hydrogen sulfide through incorporating an air-cathode fuel cell into chelated-iron process

Author:
Sun, Min; Song, Wei; Zhai, Lin-Feng; Cui, Yu-Zhi
Source:
Journal of hazardous materials 2013 v.263 pp. 643-649
ISSN:
0304-3894
Subject:
EDTA (chelating agent); biogas; catalysts; chelating agents; electricity; energy recovery; fuel cells; hydrogen sulfide; iron; pH; sulfur
Abstract:
... The chelated-iron process is among the most promising techniques for the hydrogen sulfide (H2S) removal due to its double advantage of waste minimization and resource recovery. However, this technology has encountered the problem of chelate degradation which made it difficult to ensure reliable and economical operation. This work aims to develop a novel fuel-cell-assisted chelated-iron process whi ...
DOI:
10.1016/j.jhazmat.2013.10.026

20. Effective treatment of olive mill effluents from two-phase and three-phase extraction processes by batch membranes in series operation upon threshold conditions

Author:
Ochando-Pulido, J.M.; Hodaifa, G.; Victor-Ortega, M.D.; Rodriguez-Vives, S.; Martinez-Ferez, A.
Source:
Journal of hazardous materials 2013 v.263 pp. 168-176
ISSN:
0304-3894
Subject:
economic feasibility; effluents; flocculation; fouling; nanofiltration; nanoparticles; olive oil; olives; organic matter; particle size distribution; photocatalysis; process design; reverse osmosis; sewer systems; solutes; ultrafiltration; wastewater; Italy; Spain
Abstract:
... Production of olive oil results in the generation of high amounts of heavy polluted effluents characterized by extremely variable contaminants degree, leading to sensible complexity in treatment. In this work, batch membrane processes in series comprising ultrafiltration (UF), nanofiltration (NF) and reverse osmosis (RO) are used to purify the effluents exiting both the two-phase and tree-phase ex ...
DOI:
10.1016/j.jhazmat.2013.03.041