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889 Newest Publications about the topic wastewater treatment

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Enhanced Photocatalytic Degradation of Environmental Pollutants under Visible Irradiation by a Composite Coating

12-Apr-2017 | Shuqin Liu; Qingkun Hu; Junlang Qiu; Fuxin Wang; Wei Lin; Fang Zhu; Chaohai Wei; Ningbo Zhou; Gangfeng Ouyang, Environmental Science & Technology, 2017

Although nanotechnology has offered effective and efficient solutions for environmental remediation, the full utilization of sustainable energy and the avoidance of secondary pollution are still challenges. Herein, we report a two-step modification strategy for TiO2 nanoparticles by first forming ...

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Hydrophilic modification of a poly(ether sulfone) flat‐sheet ultrafiltration membrane applied to coking sewage

10-Apr-2017 | Shu Guang Ouyang, Jun Yan Yao, Guang Heng Wei Zhu, Zhao Yue Liu, Chi Feng, Gang Wang, Journal of Applied Polymer Science, 2017

ABSTRACT In this article, a new modified poly(ether sulfone) flat‐sheet ultrafiltration membrane, which is expected to effectively handle coking sewage, was prepared by an immersion precipitation phase‐inversion technique to settle the wastewater treatment problem in coking plants. Nanometer ...

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Environmental Photochemistry of Fenamate NSAIDs and their Radical Intermediates

04-Apr-2017 | Caroline A. Davis; Paul R Erickson; Kristopher McNeill; Elisabeth M.-L. Janssen, Journal of Environmental Monitoring, 2017

Fenamates are a class of non-steroidal anti-inflammatory drugs (NSAIDs) that are not fully removed during wastewater treatment and can be released to surface waters. Here, near-surface photochemical half-lives were evaluated to range from minutes to hours of four fenamates and the closely related ...

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Uptake and Disposition of Select Pharmaceuticals by Bluegill Exposed at Constant Concentrations in a Flow-Through Aquatic Exposure System

29-Mar-2017 | Jian-Liang Zhao; Edward T. Furlong; Heiko L. Schoenfuss; Dana W. Kolpin; Kyle L. Bird; David J. Feifarek; Eric A. Sc ..., Environmental Science & Technology, 2017

The increasing use of pharmaceuticals has led to their subsequent input into and release from wastewater treatment plants, with corresponding discharge into surface waters that may subsequently exert adverse effects upon aquatic organisms. Although the distribution of pharmaceuticals in surface ...

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Ferroelectric LiTaO3 as novel photo‐electrocatalyst in microbial fuel cells

21-Mar-2017 | Abdellah Benzaouak, Nour‐eddine Touach, Víctor Manuel Ortiz‐Martínez, María José Salar‐García, Francisco José Hernán ..., Environmental Progress, 2017

Microbial fuel cells (MFCs) are a promising technology for simultaneous electricity generation and wastewater treatment. Noble materials can offer high catalyst performance in MFCs but their high cost poses an obstacle for the practical implementation of this technology. Ferroelectric materials ...

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Fibrous material based on a combination of poly(acrylic acid‐co‐hydroxyethyl methacrylate) with iron ions as a heterogeneous Fenton catalyst for dye oxidative decomposition

17-Mar-2017 | Yuyao Lu, Naiku Xu, Yuanyuan Lv, Yan Feng, Journal of Applied Polymer Science, 2017

ABSTRACT The Fenton method has been used to remedy dye wastewater because hydroxyl radicals generated from the Fenton reaction can oxidize the dye into small molecules. In comparison with a homogeneous reaction, a heterogeneous reaction with a solid material as a catalyst is a more appropriate ...

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Formation of Low-Molecular-Weight Dissolved Organic Nitrogen in Predenitrification Biological Nutrient Removal Systems and Its Impact on Eutrophication in Coastal Waters

15-Mar-2017 | Heonseop Eom; Douglas Borgatti; Hans W. Paerl; Chul Park, Environmental Science & Technology, 2017

To alleviate eutrophication in coastal waters, reducing nitrogen (N) discharge from wastewater treatment plants (WWTPs) by upgrading conventional activated sludge (CAS) to biological nutrient removal (BNR) processes is commonplace. However, despite numerous upgrades and successful reduction of N ...

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Optimal Water Management in Macroscopic Systems under Economic Penalty Scenarios

14-Mar-2017 | Jaime Garibay‐Rodriguez, Vicente Rico‐Ramirez, Jose M. Ponce‐Ortega, AIChE Journal, 2017

Abstract This paper proposes an integrated optimization approach to assess the sustainability of water management strategies in a macroscopic system. Those strategies include alternative water sources, such as rainwater harvesting, and the design of distributed water treatment systems. To deal ...

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A combined photocatalytic‐biological wastewater treatment approach: a steady state model

14-Mar-2017 | Zach Shidlovsky, Sima Yaron, Yaron Paz, Journal of Chemical Technology & Biotechnology, 2017

Abstract BACKGROUND Water purification is challenged by the co‐presence of contaminants, some of which too toxic for bacteria or too opaque for photocatalytic processes. This challenge may be overcome by utilizing two types of reactors (for example biological and photocatalytic) operating in ...

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Responses of the Microalga Chlorophyta sp. to Bacterial Quorum Sensing Molecules (N-Acylhomoserine Lactones): Aromatic Protein-Induced Self-Aggregation

06-Mar-2017 | Dandan Zhou; Chaofan Zhang; Liang Fu; Liang Xu; Xiaochun Cui; Qingcheng Li; John C. Crittenden, Environmental Science & Technology, 2017

Bacteria and microalgae often coexist during the recycling of microalgal bioresources in wastewater treatment processes. Although the bacteria may compete with the microalgae for nutrients, they could also facilitate microalgal harvesting by forming algal-bacterial aggregates. However, very ...

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