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649 Newest Publications about the topic wastewater treatment

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Assessment of Genetic Markers for Tracking the Sources of Human Wastewater Associated Escherichia coli in Environmental Waters

22-Jul-2015 | Ahmed Warish; Cheryl Triplett; Ryota Gomi; Pradip Gyawali; Leonie Hodgers; Simon Toze, Environmental Science & Technology, 2015

In this study, we have evaluated the performance characteristics (host-specificity and -sensitivity) of four human wastewater-associated Escherichia coli (E. coli) genetic markers (H8, H12, H14, and H24) in 10 target (human) and nontarget (cat, cattle, deer, dog, emu, goat, horse, kangaroo, and ...

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High Concentrations of the Antibiotic Spiramycin in Wastewater Lead to High Abundance of Ammonia-Oxidizing Archaea in Nitrifying Populations

21-Jul-2015 | Yu Zhang; Zhe Tian; Miaomiao Liu; Zhou Jason Shi; Lauren Hale; Jizhong Zhou; Min Yang, Environmental Science & Technology, 2015

To evaluate the potential effects of antibiotics on ammonia-oxidizing microbes, multiple tools including quantitative PCR (qPCR), 454-pyrosequencing, and a high-throughput functional gene array (GeoChip) were used to reveal the distribution of ammonia-oxidizing archaea (AOA) and archaeal amoA ...

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An integrated method for the simultaneous determination of alkylphenol ethoxylates and brominated flame retardants in sewage sludge samples by ultrasonic-assisted extraction, solid phase clean-up, and GC-MS analysis

20-Jul-2015 | Author(s): Tlou B. Chokwe, Jonathan O. Okonkwo, Linda L. Sibali, Esper J. Ncube, Microchemical Journal, 2015

Publication date: November 2015 Source:Microchemical Journal, Volume 123 Author(s): Tlou B. Chokwe, Jonathan O. Okonkwo, Linda L. Sibali, Esper J. Ncube Generally, a major route of alkylphenol ethoxylates (APEs) and brominated flame retardants (BFRs) to enter the environment is via ...

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IJERPH, Vol. 12, Pages 8214-8227: Possible Internalization of an Enterovirus in Hydroponically Grown Lettuce

17-Jul-2015 | Carducci, Annalaura ; Caponi, Elisa ; Ciurli, Adriana ; Verani, Marco, International Journal of Environmental Research and Public Health, 2015

Several studies have shown that enteric viruses can be transferred onto the surface of vegetables and fruits through spray irrigation, but, recently, reports have suggested viral contamination of vegetables sub-irrigated with reused wastewater. Hydroponic cultures, used to grow ready to eat fresh ...

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Synthesis, characterization, and antimicrobial activity of silver nanoparticles on poly(GMA‐co‐EGDMA) polymer support

16-Jul-2015 | Ivana D. Vukoje, Enis S. Džunuzović, Davor R. Lončarević, Suzana Dimitrijević, S. Phillip Ahrenkiel, Jovan M. Nedelj ..., Polymer Composites, 2015

Poly(glycidyl methacrylate‐co‐ethylene glycol dimethacrylate) (poly(GMA‐co‐EGDMA) macroporous copolymer decorated with silver nanoparticles was prepared by a modification of poly(GMA‐co‐EGDMA) in the reaction with arginine, and consequent reduction of silver ions with amino groups. The mercury ...

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Speciation Matters: Bioavailability of Silver and Silver Sulfide Nanoparticles to Alfalfa (Medicago sativa)

13-Jul-2015 | John P. Stegemeier; Fabienne Schwab; Benjamin P. Colman; Samuel M. Webb; Matthew Newville; Antonio Lanzirotti; Chris ..., Environmental Science & Technology, 2015

Terrestrial crops are directly exposed to silver nanoparticles (Ag-NPs) and their environmentally transformed analog silver sulfide nanoparticles (Ag2S-NPs) when wastewater treatment biosolids are applied as fertilizer to agricultural soils. This leads to a need to understand their ...

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Fate of Human Noroviruses in Shellfish and Water Impacted by Frequent Sewage Pollution Events

10-Jul-2015 | Carlos J.A. Campos; Justin Avant; Nicole Gustar; James Lowther; Andy Powell; Louise Stockley; David N. Lees, Environmental Science & Technology, 2015

Knowledge of the fate of human noroviruses (NoV) in the marine environment is key to better controlling shellfish-related NoV gastroenteritis. We quantified NoV and Escherichia coli in sewage from storm tank discharges and treated effluent processed by a UV-disinfection plant following activated ...

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Toxicogenomic Responses of the Model Legume Medicago truncatula to Aged Biosolids Containing a Mixture of Nanomaterials (TiO2, Ag, and ZnO) from a Pilot Wastewater Treatment Plant

02-Jul-2015 | Chun Chen; Jason M. Unrine; Jonathan D. Judy; Ricky W. Lewis; Jing Guo; David H. McNear, Jr.; Olga V. Tsyusko, Environmental Science & Technology, 2015

Toxicogenomic responses in Medicago truncatula A17 were monitored following exposure to biosolids-amended soils. Treatments included biosolids produced using a pilot wastewater treatment plant with either no metal introduced into the influent (control); bulk/ionic TiO2, ZnO, and AgNO3 added to ...

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Simultaneous detection of endocrine disrupting chemicals including conjugates in municipal wastewater and sludge with enhanced sample pretreatment and UPLC-MS/MS

01-Jul-2015 | Bing Zhu; Weiwei Ben; Xiangjuan Yuan; Yu Zhang; Min Yang; Zhimin Qiang, Journal of Environmental Monitoring, 2015

The co-existence of free and conjugated estrogens and the interference from complex matrices often lead to largely variable detected concentrations and sometimes even negative removal efficiencies of typical endocrine disrupting chemicals (EDCs) in wastewater treatment plants (WWTPs). In this ...

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Analysis of an activated sludge model in which dead biomass is recycled into slowly biodegradable particulate substrate

30-Jun-2015 | Asma O. M. Alharbi, Mark Ian Nelson, Annette L. Worthy, Harvinder S. Sidhu, Asia-Pacific Journal of Chemical Engineering, 2015

Abstract A significant drawback of the activated sludge process is the production of excess ‘sludge’; the disposal of which can account for 50–60% of the running costs of a wastewater treatment plant. We investigate a model for the activated sludge process in which the influent contains a ...

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