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1. A bacterial consortium isolated from an Icelandic fumarole displays exceptionally high levels of sulfate reduction and metals resistance

Author:
Alexandrino, Maria; Macías, Francisco; Costa, Rodrigo; Gomes, Newton C.M.; Canário, Adelino V.M.; Costa, Maria C.
Source:
Journal of hazardous materials 2011 v.187 no.1-3 pp. 362-370
ISSN:
0304-3894
Subject:
Clostridium; Desulfovibrio; bacterial communities; bioremediation; copper; iron; metal tolerance; mining; nucleotide sequences; phylogeny; ribosomal RNA; ribotypes; soil; sulfate-reducing bacteria; zinc
Abstract:
... The soils of three fumaroles and one mining site, all with high metal content, were surveyed for the presence of metal-resistant sulfate-reducing bacteria and their potential application in the bioremediation of acid mine drainages. By means of selective soil enrichments a bacterial consortium was isolated from an Icelandic fumarole that displayed very high sulfate reduction in the presence of a m ...
DOI:
10.1016/j.jhazmat.2011.01.035

2. A comparison of basic dye adsorption onto zeolitic materials synthesized from fly ash

Author:
Atun, Gülten; Hisarlı, Gül; Kurtoğlu, Ayşe Engin; Ayar, Nihat
Source:
Journal of hazardous materials 2011 v.187 no.1-3 pp. 562-573
ISSN:
0304-3894
Subject:
adsorbents; adsorption; dyes; fly ash; models; sorption isotherms; temperature; thermodynamics
Abstract:
... This investigation reveals the adsorption characteristics of two basic dyes, thionine (TH) and safranine T (ST), onto fly ash (FA) and its three zeolitized products prepared at different hydrothermal conditions. Typical two-step isotherms were observed for TH adsorption onto four adsorbents, whereas the isotherms of the larger ST molecules were S-shaped. The adsorption capacities of the zeolitized ...
DOI:
10.1016/j.jhazmat.2011.01.075

3. Activated carbon modifications to enhance its water treatment applications. An overview

Author:
Rivera-Utrilla, J.; Sánchez-Polo, M.; Gómez-Serrano, V.; Álvarez, P.M.; Alvim-Ferraz, M.C.M.; Dias, J.M.
Source:
Journal of hazardous materials 2011 v.187 no.1-3 pp. 1-23
ISSN:
0304-3894
Subject:
activated carbon; adsorbents; adsorption; ammonification; heavy metals; hydrogen peroxide; nitric acid; nitrogen; organic compounds; oxidation; ozone; physicochemical properties; pollutants; researchers; sulfur; surface area; water treatment
Abstract:
... The main objective of this study was to list and compare the advantages and disadvantages of different methodologies to modify the surface of activated carbons (ACs) for their application as adsorbents to remove organic and inorganic pollutants from aqueous phase. These methodologies have been categorized into four broad groups: oxidation, sulfuration, ammonification, and coordinated ligand anchor ...
DOI:
10.1016/j.jhazmat.2011.01.033

4. Adsorption of chromium (VI) from aqueous solutions by cellulose modified with β-CD and quaternary ammonium groups

Author:
Zhou, Yanmei; Jin, Qiang; Zhu, Tianwei; Akama, Yoshifumi
Source:
Journal of hazardous materials 2011 v.187 no.1-3 pp. 303-310
ISSN:
0304-3894
Subject:
adsorbents; adsorption; ammonium nitrate; aqueous solutions; cellulose; chromium; epoxides; sorption isotherms
Abstract:
... Cellulose powder was grafted with the vinyl monomer glycidyl methacrylate using ceric ammonium nitrate as initiator and was further derived with β-CD and quaternary ammonium groups to build Cell-g-GMA-β-CDN⁺ adsorbent. Epoxy cellulose was made up of Cell-g-GMA and Cell-hydro-g-GMA, and was found to contain 3.71mmolg⁻¹ epoxy groups. The adsorption process of the modified cellulose was described by ...
DOI:
10.1016/j.jhazmat.2011.01.025

5. Adsorption of food dyes acid blue 9 and food yellow 3 onto chitosan: Stirring rate effect in kinetics and mechanism

Author:
Dotto, G.L.; Pinto, L.A.A.
Source:
Journal of hazardous materials 2011 v.187 no.1-3 pp. 164-170
ISSN:
0304-3894
Subject:
adsorption; batch systems; chitosan; diffusivity; dyeing; dyes; food coloring; mixing; models
Abstract:
... Adsorption of food dyes acid blue 9 and food yellow 3 onto chitosan was studied. Stirring rate influence on kinetics and mechanism was verified. Infra-red analysis was carried out before and after adsorption in order to verify the adsorption nature. Adsorption experiments were carried out in batch systems with different stirring rates (15–400rpm). Kinetic behavior was analyzed through the pseudo-f ...
DOI:
10.1016/j.jhazmat.2011.01.016

6. A new nano-TiO₂ immobilized biodegradable polymer with self-cleaning properties

Author:
Sökmen, Münevver; Tatlıdil, İlknur; Breen, Chris; Clegg, Francis; Buruk, Celal Kurtuluş; Sivlim, Tuğba; Akkan, Şenay
Source:
Journal of hazardous materials 2011 v.187 no.1-3 pp. 199-205
ISSN:
0304-3894
Subject:
Candida albicans; anti-infective agents; anti-infective properties; aqueous solutions; biodegradability; exposure duration; ionic strength; methylene blue; pH; particle size; polymers; titanium dioxide; ultraviolet radiation
Abstract:
... This study concentrated on the direct immobilization of anatase nano titanium dioxide particles (TiO₂, 10nm particle size) into or onto a biodegradable polymer, polycaprolactone, by solvent-cast processes. The self-cleaning, namely photocatalytic properties of the produced materials were tested by photocatalytic removal of methylene blue as model compound and antimicrobial properties were investig ...
DOI:
10.1016/j.jhazmat.2011.01.020

7. Application of Box–Wilson experimental design method for 2,4-dinitrotoluene treatment in a sequential anaerobic migrating blanket reactor (AMBR)/aerobic completely stirred tank reactor (CSTR) system

Author:
Kuşçu, Özlem Selçuk; Sponza, Delia Teresa
Source:
Journal of hazardous materials 2011 v.187 no.1-3 pp. 222-234
ISSN:
0304-3894
Subject:
alkalinity; bicarbonates; chemical oxygen demand; experimental design; metabolites; methane; regression analysis; volatile fatty acids; wastewater
Abstract:
... A sequential aerobic completely stirred tank reactor (CSTR) following the anaerobic migrating blanket reactor (AMBR) was used to treat a synthetic wastewater containing 2,4-dinitrotoluene (2,4-DNT). A Box–Wilson statistical experiment design was used to determine the effects of 2,4-DNT and the hydraulic retention times (HRTs) on 2,4-DNT and COD removal efficiencies in the AMBR reactor. The 2,4-DNT ...
DOI:
10.1016/j.jhazmat.2011.01.021

8. Application of experimental design approach and artificial neural network (ANN) for the determination of potential micellar-enhanced ultrafiltration process

Author:
Rahmanian, Bashir; Pakizeh, Majid; Mansoori, Seyed Ali Akbar; Abedini, Reza
Source:
Journal of hazardous materials 2011 v.187 no.1-3 pp. 67-74
ISSN:
0304-3894
Subject:
experimental design; ultrafiltration; zinc; neural networks; wastewater; metal ions; prediction
Abstract:
... In this study, micellar-enhanced ultrafiltration (MEUF) was applied to remove zinc ions from wastewater efficiently. Frequently, experimental design and artificial neural networks (ANNs) have been successfully used in membrane filtration process in recent years. In the present work, prediction of the permeate flux and rejection of metal ions by MEUF was tested, using design of experiment (DOE) and ...
DOI:
10.1016/j.jhazmat.2010.11.135

9. Biodegradation of beta-cypermethrin and 3-phenoxybenzoic acid by a novel Ochrobactrum lupini DG-S-01

Author:
Chen, Shaohua; Hu, Meiying; Liu, Jingjing; Zhong, Guohua; Yang, Liu; Rizwan-ul-Haq, Muhammad; Han, Haitao
Source:
Journal of hazardous materials 2011 v.187 no.1-3 pp. 433-440
ISSN:
0304-3894
Subject:
Ochrobactrum; activated sludge; bacteria; beef extracts; biodegradation; biomass; bioremediation; carbon; cyhalothrin; deltamethrin; energy; equations; fenpropathrin; glucose; metabolites; nucleotide sequences; pH; ribosomal DNA; sequence analysis; yeast extract
Abstract:
... A newly isolated bacterium DG-S-01 from activated sludge utilized beta-cypermethrin (beta-CP) and its major metabolite 3-phenoxybenzoic acid (3-PBA) as sole carbon and energy source for growth in mineral salt medium (MSM). Based on the morphology, physio-biochemical characteristics, and 16S rDNA sequence analysis, DG-S-01 was identified as Ochrobactrum lupini. DG-S-01 effectively degraded beta-CP ...
DOI:
10.1016/j.jhazmat.2011.01.049

10. Biodegradation of phenanthrene using adapted microbial consortium isolated from petrochemical contaminated environment

Author:
Janbandhu, Anjali; Fulekar, M.H.
Source:
Journal of hazardous materials 2011 v.187 no.1-3 pp. 333-340
ISSN:
0304-3894
Subject:
sequence analysis; hydroxybenzaldehyde; phenanthrenes; ribosomal DNA; bioremediation; developing countries; catechol; Achromobacter; soil; water; nucleotide sequences; biodegradation; Bacillus cereus; salicylic acid; mass spectrometry; gas chromatography; bacteria; Sphingobacterium; India
Abstract:
... In developing countries like India, there are many industrial areas discharging effluent containing large amount of polyaromatic hydrocarbon (PAH) which causes hazardous effect on the soil-water environment. The objective of this study was to isolate and characterize high-efficiency PAH-degrading microbial consortium from 3 decade old petrochemical refinery field located in Nagpur, Maharashtra wit ...
DOI:
10.1016/j.jhazmat.2011.01.034

11. Bioelectricity generation and microcystins removal in a blue-green algae powered microbial fuel cell

Author:
Yuan, Yong; Chen, Qing; Zhou, Shungui; Zhuang, Li; Hu, Pei
Source:
Journal of hazardous materials 2011 v.187 no.1-3 pp. 591-595
ISSN:
0304-3894
Subject:
microcystins; nitrogen; bioenergy; microbial fuel cells; bioelectricity; Cyanobacteria; ammonium nitrogen; chemical oxygen demand
Abstract:
... Bioelectricity production from blue-green algae was examined in a single chamber tubular microbial fuel cell (MFC). The blue-green algae powered MFC produced a maximum power density of 114mW/m² at a current density of 0.55mA/m². Coupled with the bioenergy generation, high removal efficiencies of chemical oxygen demand (COD) and nitrogen were also achieved in MFCs. Over 78.9% of total chemical oxyg ...
DOI:
10.1016/j.jhazmat.2011.01.042

12. Cadmium adsorption by coal combustion ashes-based sorbents—Relationship between sorbent properties and adsorption capacity

Author:
Balsamo, Marco; Di Natale, Francesco; Erto, Alessandro; Lancia, Amedeo; Montagnaro, Fabio; Santoro, Luciano
Source:
Journal of hazardous materials 2011 v.187 no.1-3 pp. 371-378
ISSN:
0304-3894
Subject:
absorption; adsorbents; adsorption; aqueous solutions; cadmium; chemical analysis; coal; combustion; infrared spectroscopy; mass transfer; mercury; models; temperature; thermodynamics
Abstract:
... A very interesting possibility of coal combustion ashes reutilization is their use as adsorbent materials, that can also take advantage from proper beneficiation techniques. In this work, adsorption of cadmium from aqueous solutions was taken into consideration, with the emphasis on the intertwining among waste properties, beneficiation treatments, properties of the beneficiated materials and adso ...
DOI:
10.1016/j.jhazmat.2011.01.029

13. Capture of Co(II) from its aqueous EDTA-chelate by DTPA-modified silica gel and chitosan

Author:
Repo, Eveliina; Malinen, Leena; Koivula, Risto; Harjula, Risto; Sillanpää, Mika
Source:
Journal of hazardous materials 2011 v.187 no.1-3 pp. 122-132
ISSN:
0304-3894
Subject:
EDTA (chelating agent); active sites; adsorbents; adsorption; capillary electrophoresis; chelation; chitosan; cobalt; decontamination; effluents; gels; iron; models; silica gel; water treatment
Abstract:
... The adsorption of Co(II) by diethylenetriaminepentaacetic acid (DTPA)-modified silica gel and chitosan in the presence of EDTA and other interfering species was studied. Co(II) removal ranged from 93% to 96% from the solutions where Co(II) was totally chelated by EDTA. The amount of oxalate or Fe(II) did not affect the adsorption of Co(II) in the case of DTPA-chitosan. However, increasing the amou ...
DOI:
10.1016/j.jhazmat.2010.12.113

14. Catalytic wet peroxide oxidation of azo dye (Direct Blue 15) using solvothermally synthesized copper hydroxide nitrate as catalyst

Author:
Zhan, Yuzhong; Zhou, Xiang; Fu, Bei; Chen, Yiliang
Source:
Journal of hazardous materials 2011 v.187 no.1-3 pp. 348-354
ISSN:
0304-3894
Subject:
Fourier transform infrared spectroscopy; X-ray diffraction; azo dyes; catalysts; catalytic activity; copper; copper hydroxide; ethanol; hydrogen peroxide; leaching; oxidation; pH; scanning electron microscopy; sodium hydroxide; temperature
Abstract:
... Copper hydroxide nitrate (Cu₂(OH)₃NO₃) was synthesized solvothermally in anhydrous ethanol and characterized by XRD, FTIR, TG–DTA and SEM. The peroxide degradation of an azo dye (Direct Blue 15) on this material was evaluated by examining catalyst loading, initial pH, hydrogen peroxide dosage, initial dye concentration and temperature. The leaching of Cu from the copper hydroxide nitrate during th ...
DOI:
10.1016/j.jhazmat.2011.01.027

15. Characterisation and management of ash produced in the hospital waste incinerator of Athens, Greece

Author:
Kougemitrou, Irene; Godelitsas, Athanasios; Tsabaris, Christos; Stathopoulos, Vassilis; Papandreou, Andreas; Gamaletsos, Platon; Economou, George; Papadopoulos, Dimitris
Source:
Journal of hazardous materials 2011 v.187 no.1-3 pp. 421-432
ISSN:
0304-3894
Subject:
briquettes; cement; chromium; copper; fly ash; gamma radiation; glass; heavy metals; iron; leaching; lead; nickel; radionuclides; wastes; zinc; Greece
Abstract:
... Bottom and fly ash samples (BASH and FASH) from the APOTEFROTIRAS S.A. medical waste incinerator (Athens, Greece) were investigated. Powder-XRD data and geochemical diagrams showed BASH to be an amorphous material, analogous to basaltic glass, and FASH consisting of crystalline compounds (mainly CaClOH). Bulk analyses by ICP-MS and point analyses by SEM-EDS indicated a high content of heavy metals ...
DOI:
10.1016/j.jhazmat.2011.01.045

16. Characterization of metal removal of immobilized Bacillus strain CR-7 biomass from aqueous solutions

Author:
Xu, Jin; Song, Xian-Chong; Zhang, Qian; Pan, Hong; Liang, Yu; Fan, Xian-Wei; Li, You-Zhi
Source:
Journal of hazardous materials 2011 v.187 no.1-3 pp. 450-458
ISSN:
0304-3894
Subject:
adsorption; antibiotic resistance; aqueous solutions; copper; microbial biomass; models; sodium alginate; sodium hydroxide; sorption isotherms
Abstract:
... Bacillus strain CR-7 of multiple metal and antibiotic resistances was isolated. Its metal adsorption under different pretreatments and immobilizations from aqueous solution was characterized. Pretreatment with NaOH (0.1molL⁻¹) significantly improved Cu²⁺ adsorption capacity of the bacterial biomass. Sodium alginate (2%) was the ideal immobilization matrix. The immobilized and pretreated biomass ha ...
DOI:
10.1016/j.jhazmat.2011.01.047

17. Comparative modeling of biological nutrient removal from landfill leachate using a circulating fluidized bed bioreactor (CFBBR)

Author:
Eldyasti, Ahmed; Andalib, Mehran; Hafez, Hisham; Nakhla, George; Zhu, Jesse
Source:
Journal of hazardous materials 2011 v.187 no.1-3 pp. 140-149
ISSN:
0304-3894
Subject:
ammonium nitrogen; biochemical oxygen demand; biological treatment; biomass; bioreactors; fluidized beds; landfill leachates; models; nitrate nitrogen; nutrients; prediction
Abstract:
... Steady state operational data from a pilot scale circulating fluidized bed bioreactor (CFBBR) during biological treatment of landfill leachate, at empty bed contact times (EBCTs) of 0.49, and 0.41d and volumetric nutrients loading rates of 2.2–2.6kgCOD/(m³d), 0.7–0.8kgN/(m³d), and 0.014–0.016kgP/(m³d), was used to calibrate and compare developed process models in BioWin® and AQUIFAS®. BioWin® and ...
DOI:
10.1016/j.jhazmat.2010.12.115

18. Cr (III) bioremoval capacities of indigenous and adapted bacterial strains from Palar river basin

Author:
Sundar, K.; Mukherjee, Amitava; Sadiq, Mohammed; Chandrasekaran, N.
Source:
Journal of hazardous materials 2011 v.187 no.1-3 pp. 553-561
ISSN:
0304-3894
Subject:
Bacillus subtilis; Fourier transform infrared spectroscopy; bacteria; chromium; effluents; exopolysaccharides; tanneries; watersheds
Abstract:
... The effluents from tanning industries in and around Palar river basin are the major cause of Cr (III) pollution. Forty-five chromium (III) tolerant bacterial strains were isolated from the Palar river basin. Bacillus subtilis VITSCCr01 showed tolerance up to 1500mg/l and its Cr (III) bioremoval capacity was 64%. Increasing the concentration of Cr (III) increased exopolysaccharide (EPS) production ...
DOI:
10.1016/j.jhazmat.2011.01.077

19. Dechlorination of polychlorinated biphenyls using magnesium and acidified alcohols

Author:
Maloney, Phillip; DeVor, Robert; Novaes-Card, Simone; Saitta, Erin; Quinn, Jacqueline; Clausen, Christian A.; Geiger, Cherie L.
Source:
Journal of hazardous materials 2011 v.187 no.1-3 pp. 235-240
ISSN:
0304-3894
Subject:
1-propanol; acetic acid; butanol; dechlorination; ethanol; industry; magnesium; methanol; methodology; octanol; polychlorinated biphenyls; solvents
Abstract:
... Polychlorinated biphenyls (PCBs) were widely used in industry until their regulation in the 1970s. However, due to their inherent stability, they are still a widespread environmental contaminant. A novel method of degradation of PCBs (via hydrodehalogenation) has been observed using magnesium powder, a carboxylic acid, and alcohol solvents and is described in this paper. The rates of degradation w ...
DOI:
10.1016/j.jhazmat.2011.01.006

20. Decolorization of synthetic dyes by crude laccase from a newly isolated Trametes trogii strain cultivated on solid agro-industrial residue

Author:
Zeng, Xiangkang; Cai, Yujie; Liao, Xiangru; Zeng, Xianglong; Li, Wenxiu; Zhang, Dabing
Source:
Journal of hazardous materials 2011 v.187 no.1-3 pp. 517-525
ISSN:
0304-3894
Subject:
Trametes trogii; culture filtrates; decolorization; dyes; laccase; nucleotide sequences; polyacrylamide gel electrophoresis; ribosomal RNA; sequence analysis; solid state fermentation; soybean cake; white-rot fungi
Abstract:
... A new dye-decolorizing white-rot fungus was isolated and identified as Trametes trogii based on its ITS-5.8S rRNA gene sequence analysis and morphological characteristics. Laccase was the only lignolytic enzyme produced by this strain during solid substrate fermentation (SSF) in soybean cake, a solid agro-industrial residue used for the first time in enzyme production. The extracellular crude enzy ...
DOI:
10.1016/j.jhazmat.2011.01.068