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811 Newest Publications about the topic wastewater treatment

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Biofilm Thickness Influences Biodiversity in Nitrifying MBBRs—Implications on Micropollutant Removal

18-Aug-2016 | Elena Torresi; S. Jane Fowler; Fabio Polesel; Kai Bester; Henrik R. Andersen; Barth F. Smets; Benedek Gy. Plósz; Mag ..., Environmental Science & Technology, 2016

In biofilm systems for wastewater treatment (e.g., moving bed biofilms reactors—MBBRs) biofilm thickness is typically not under direct control. Nevertheless, biofilm thickness is likely to have a profound effect on the microbial diversity and activity, as a result of diffusion limitation and thus ...

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Estimation of kinetic parameters and UV doses necessary to remove twenty-three pharmaceuticals from pre-treated urban wastewater by UV/H2O2

14-Aug-2016 | Author(s): C. Afonso-Olivares, C. Fernández-Rodríguez, R.J. Ojeda-González, Z. Sosa-Ferrera, J.J. Santana- ..., Journal of Photochemistry and Photobiology A: Chemistry, 2016

Publication date: 1 October 2016 Source:Journal of Photochemistry and Photobiology A: Chemistry, Volume 329 Author(s): C. Afonso-Olivares, C. Fernández-Rodríguez, R.J. Ojeda-González, Z. Sosa-Ferrera, J.J. Santana-Rodríguez, J.M. Doña Rodríguez In this work, the effectiveness of ...

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Impact of Anodic Respiration on Biopolymer Production and Consequent Membrane Fouling

10-Aug-2016 | So Ishizaki; Kotaro Terada; Hiroshi Miyake; Satoshi Okabe, Environmental Science & Technology, 2016

Microbial fuel cells (MFCs) have recently been integrated with membrane bioreactors (MBRs) for wastewater treatment and energy recovery. However, the impact of integration of the two reactors on membrane fouling of MBR has not been reported yet. In this study, MFCs equipped with different ...

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Copper Nanoparticle Induced Cytotoxicity to Nitrifying Bacteria in Wastewater Treatment: A Mechanistic Copper Speciation Study by X-ray Absorption Spectroscopy

10-Aug-2016 | Justin G. Clar; Xuan Li; Christopher A. Impellitteri; Christina Bennett-Stamper; Todd P. Luxton, Environmental Science & Technology, 2016

With the inclusion of engineered nanomaterials in industrial processes and consumer products, wastewater treatment plants (WWTPs) could serve as a major sink for these emerging contaminants. Previous research has demonstrated that nanomaterials are potentially toxic to microbial communities ...

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Virus Reduction during Advanced Bardenpho and Conventional Wastewater Treatment Processes

08-Aug-2016 | Bradley W. Schmitz; Masaaki Kitajima; Maria E. Campillo; Charles P. Gerba; Ian L. Pepper, Environmental Science & Technology, 2016

The present study investigated wastewater treatment for the removal of 11 different virus types (pepper mild mottle virus; Aichi virus; genogroup I, II, and IV noroviruses; enterovirus; sapovirus; group-A rotavirus; adenovirus; and JC and BK polyomaviruses) by two wastewater treatment facilities ...

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Biofilms Versus Activated Sludge: Considerations in Metal and Metal Oxide Nanoparticle Removal from Wastewater

04-Aug-2016 | Connie Walden; Wen Zhang, Environmental Science & Technology, 2016

The increasing application of metal and metal oxide nanoparticles [Me(O)NPs] in consumer products has led to a growth in concentration of these nanoparticles in wastewater as emerging contaminants. This may pose a threat to ecological communities (e.g., biological nutrient removal units) within ...

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Direct and Indirect Measurements and Modeling of Methane Emissions in Indianapolis, Indiana

03-Aug-2016 | Brian K. Lamb; Maria O. L. Cambaliza; Kenneth J. Davis; Steven L. Edburg; Thomas W. Ferrara; Cody Floerchinger; Alex ..., Environmental Science & Technology, 2016

This paper describes process-based estimation of CH4 emissions from sources in Indianapolis, IN and compares these with atmospheric inferences of whole city emissions. Emissions from the natural gas distribution system were estimated from measurements at metering and regulating stations and from ...

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Sensors, Vol. 16, Pages 1218: Identification of Quorum-Sensing Signal Molecules and a Biosynthetic Gene in Alicycliphilus sp. Isolated from Activated Sludge

02-Aug-2016 | Morohoshi, Tomohiro ; Okutsu, Noriya ; Xie, Xiaonan ; Ikeda, Tsukasa, Sensors, 2016

Activated sludge is a complicated mixture of various microorganisms that is used to treat sewage and industrial wastewater. Many bacteria produce N-acylhomoserine lactone (AHL) as a quorum-sensing signal molecule to regulate the expression of the exoenzymes used for wastewater treatment. Here, we ...

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IJERPH, Vol. 13, Pages 778: High Laccase Expression by Trametes versicolor in a Simulated Textile Effluent with Different Carbon Sources and PHs

02-Aug-2016 | Ottoni, Cristiane ; Simões, Marta F.; Fernandes, Sara ; Santos, Cledir R.; Lima, Nelson, International Journal of Environmental Research and Public Health, 2016

Textile effluents are highly polluting and have variable and complex compositions. They can be extremely complex, with high salt concentrations and alkaline pHs. A fixed-bed bioreactor was used in the present study to simulate a textile effluent treatment, where the white-rot fungus, Trametes ...

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Direct Discharges of Domestic Wastewater are a Major Source of Phosphorus and Nitrogen to the Mediterranean Sea

27-Jul-2016 | Helen R. Powley; Hans H. Dürr; Ana T. Lima; Michael D. Krom; Philippe Van Cappellen, Environmental Science & Technology, 2016

Direct discharges of treated and untreated wastewater are important sources of nutrients to coastal marine ecosystems and contribute to their eutrophication. Here, we estimate the spatially distributed annual inputs of phosphorus (P) and nitrogen (N) associated with direct domestic wastewater ...

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