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608 Newest Publications about the topic wastewater treatment

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IJERPH, Vol. 12, Pages 4231-4246: Antibiotic Susceptibilities of Enterococcus Species Isolated from Hospital and Domestic Wastewater Effluents in Alice, Eastern Cape Province of South Africa

16-Apr-2015 | Iweriebor, Benson Chuks; Gaqavu, Sisipho ; Obi, Larry Chikwelu; Nwodo, Uchechukwu U.; Okoh, Anthony I., International Journal of Environmental Research and Public Health, 2015

Background: Antimicrobial resistance in microorganisms are on the increase worldwide and are responsible for substantial cases of therapeutic failures. Resistance of species of Enterococcus to antibiotics is linked to their ability to acquire and disseminate antimicrobial resistance determinants ...

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Semiconducting polyurethane/polypyrrole/polyaniline for microorganism immobilization and wastewater treatment in anaerobic/aerobic sequential packed bed reactors

10-Apr-2015 | Iveth D. Antonio‐Carmona, Silvia Y. Martínez‐Amador, Hugo Martínez‐Gutiérrez, Víctor M. Ovando‐Medina, Omar González ..., Journal of Applied Polymer Science, 2015

ABSTRACT The development of new materials for microorganism immobilization is very important in wastewater treatment. In this work polyurethane (PU) foams were modified polymerizing pyrrole and aniline onto their surface by chemical oxidization to obtain polyurethane/polypyrrole (PU/PPy), ...

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Effect of pH on Aerobic Granulation and Treatment Performance in Sequencing Batch Reactors

07-Apr-2015 | Samira Rezasoltani, Jalal Shayegan, Sajjad Jalali, Chemical Engineering & Technology, 2015

Abstract Two sequencing batch reactors were operated to investigate the effect of influent alkalinity and reactor pH on aerobic granulation. In the first reactor R1 with high influent alkalinity the pH was adjusted in the neutral range, and in the second reactor R2 with low alkalinity the pH ...

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Isomer Profiles of Perfluoroalkyl Substances in Water and Soil Surrounding a Chinese Fluorochemical Manufacturing Park

03-Apr-2015 | Hangbiao Jin; Yifeng Zhang; Lingyan Zhu; Jonathan W. Martin, Environmental Science & Technology, 2015

Despite that China is the largest global manufacturer of perfluoroalkyl substances (PFASs), the manufacturing methods and isomer purity of these chemicals are generally unknown. Here, sampling was conducted around a major fluorochemical manufacturing park in China in 2012, including soil and ...

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Effect of Aging on Phosphorus Speciation in Surface Deposit of a Vertical Flow Constructed Wetland

31-Mar-2015 | Boram Kim; Mathieu Gautier; Camille Rivard; Corinne Sanglar; Philippe Michel; Rémy Gourdon, Environmental Science & Technology, 2015

This study was conducted to determine phosphorus (P) species captured in a vertical-flow constructed wetland (VFCW) system combining a trickling filter followed by FeCl3 injection for phosphate coagulation. Suspended solids (SS) thus formed accumulated over time at the VFCW surface and ...

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Fabrication of polyaniline/graphene oxide composite for graphite felt electrode modification and its performance in the bioelectrochemical system

29-Mar-2015 | Author(s): Xinbai Jiang , Shuai Lou , Dan Chen , Jinyou Shen , Weiqing Han , Xiuyun Sun , Jiansheng Li , Lian ..., Journal of Electroanalytical Chemistry, 2015

Publication date: 1 May 2015 Source:Journal of Electroanalytical Chemistry, Volume 744 Author(s): Xinbai Jiang , Shuai Lou , Dan Chen , Jinyou Shen , Weiqing Han , Xiuyun Sun , Jiansheng Li , Lianjun Wang In order to overcome the unsatisfactory stability of polyaniline (PANi) ...

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Trititanate‐nanosheet incorporated hydrogels: Self‐initiated photopolymerization and application in photodegradation of methylene violet

28-Mar-2015 | Weiwei Yang, Bizhou Lin, Qianru Yao, Guohua Zhang, Shaofeng Jiang, Polymer Composites, 2015

Exposing the aqueous mixtures of acrylamide (AAm) monomers and exfoliated trititanate nanosheets (TiNs) to ultraviolet light achieved nanocomposite hydrogels TiNs–PAAm in a facile one‐step synthetic route. The incorporated semiconductor TiNs functioned as a photocatalytic crosslinker, initiating ...

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Investment optimization model for freshwater acquisition and wastewater handling in shale gas production

27-Mar-2015 | Linlin Yang, Meagan Mauter, Robert Dilmore, Ignacio E. Grossmann, AIChE Journal, 2015

Abstract Major challenges of water use in the drilling and fracturing process in shale gas production are large volumes required in a short‐period of time and the nonsteady nature of wastewater treatment. We present a new mixed‐integer linear programming (MILP) model for optimizing capital ...

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Aquatic photochemical kinetics of benzotriazole and structurally related compounds

25-Mar-2015 | Elisabeth Janssen; Emily Marron; Kristopher McNeill, Journal of Environmental Monitoring, 2015

Benzotriazole corrosion inhibitors are not completely removed during wastewater treatment and are frequently detected in surface waters. Here, the photochemical kinetics of benzotriazoles and structurally related compounds were assessed for natural aqueous environments. The direct photochemical ...

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Distribution, partition and removal of polycyclic aromatic hydrocarbons (PAHs) during coking wastewater treatment processes

25-Mar-2015 | Wanhui Zhang; Chaohai Wei; Guanfeng An, Journal of Environmental Monitoring, 2015

In this study, we report the performance of full-scale conventional activated sludge (A/O1/O2) treatment in eliminating polycyclic aromatic hydrocarbons (PAHs). Both aqueous and solid phases along with the coking wastewater treatment processes were analyzed for the presence of 18 PAHs. It was ...

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