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884 Newest Publications about the topic wastewater treatment

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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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Use of an annular non‐sleeve photoreactor for photocatalytic dye degradation: Study of temperature and light intensity effects

28-Feb-2017 | F. Ung‐Medina, U. Caudillo‐Flores, J.C. Correa‐González, R. Maya‐Yescas, Ma. del C. Chávez‐Parga, J.A. Cortés, Environmental Progress, 2017

In this article an annular non‐sleeve photoreactor (ANSP) is used to assess the TiO2/UV‐A advanced oxidation process, using the dye Acid Blue 9 (AB9) as model molecule. Within this particular configuration, the borosilicate glass or quartz sleeve that isolates lamp is removed. This fact allows ...

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Sustainable Hypersaline Microbial Fuel Cells: Inexpensive Recyclable Polymer Supports for Carbon Nanotube Conductive Paint Anodes

28-Feb-2017 | Matteo Grattieri, Nelson Shivel, Iram Sifat, Massimiliano Bestetti, Shelley Minteer, ChemSusChem, 2017

Microbial fuel cells are an emerging technology for wastewater treatment, but in order to be commercially viable and sustainable, the electrode materials must be inexpensive, recyclable and reliable. In this paper, recyclable polymeric supports were explored for the development of anode ...

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Molecules, Vol. 22, Pages 337: A Photocatalytic Rotating Disc Reactor with TiO2 Nanowire Arrays Deposited for Industrial Wastewater Treatment

22-Feb-2017 | Li, Fang ; Szeto, Wai ; Huang, Haibao ; Li, Jiantao ; Leung, Dennis Y. C., Molecules, 2017

A photocatalytic rotating disc reactor (PRD-reactor) with TiO2 nanowire arrays deposited on a thin Ti plate is fabricated and tested for industrial wastewater treatment. Results indicate that the PRD-reactor shows excellent decolorization capability when tested with methyl orange (>97.5%). ...

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The Potential of Knowing More: A Review of Data-Driven Urban Water Management

14-Feb-2017 | Sven Eggimann; Lena Mutzner; Omar Wani; Mariane Yvonne Schneider; Dorothee Spuhler; Matthew Moy de Vitry; Philipp Be ..., Environmental Science & Technology, 2017

The promise of collecting and utilizing large amounts of data has never been greater in the history of urban water management (UWM). This paper reviews several data-driven approaches which play a key role in bringing forward a sea change. It critically investigates whether data-driven UWM offers ...

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Mycobacteria in Municipal Wastewater Treatment and Reuse: Microbial Diversity for Screening the Occurrence of Clinically and Environmentally Relevant Species in Arid Regions

13-Feb-2017 | Yamrot M. Amha; M. Zohaib Anwar; Rajkumari Kumaraswamy; Andreas Henschel; Farrukh Ahmad, Environmental Science & Technology, 2017

With accumulating evidence of pulmonary infection via aerosolized nontuberculous mycobacteria (NTM), it is important to characterize their persistence in wastewater treatment, especially in arid regions where treated municipal wastewater is extensively reused. To achieve this goal, microbial ...

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