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Sustainability, Vol. 7, Pages 4747-4763: Ecological Footprints and Lifestyle Archetypes: Exploring Dimensions of Consumption and the Transformation Needed to Achieve Urban Sustainability

21-Apr-2015 | Moore, Jennie, Sustainability, 2015

The global urban transition increasingly positions cities as important influencers in determining sustainability outcomes. Urban sustainability literature tends to focus on the built environment as a solution space for reducing energy and materials demand; however, equally important is the ...

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Enhanced Colloidal Stability of CeO2 Nanoparticles by Ferrous Ions: Adsorption, Redox Reaction, and Surface Precipitation

20-Apr-2015 | Xuyang Liu; Jessica R. Ray; Chelsea W. Neil; Qingyun Li; Young-Shin Jun, Environmental Science & Technology, 2015

Due to the toxicity of cerium oxide (CeO2) nanoparticles (NPs), a better understanding of the redox reaction-induced surface property changes of CeO2 NPs and their transport in natural and engineered aqueous systems is needed. This study investigates the impact of redox reactions with ferrous ...

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Membrane-Based Osmotic Heat Engine with Organic Solvent for Enhanced Power Generation from Low-Grade Heat

14-Apr-2015 | Evyatar Shaulsky; Chanhee Boo; Shihong Lin; Menachem Elimelech, Environmental Science & Technology, 2015

We present a hybrid osmotic heat engine (OHE) system that uses draw solutions with an organic solvent for enhanced thermal separation efficiency. The hybrid OHE system produces sustainable energy by combining pressure-retarded osmosis (PRO) as a power generation stage and membrane distillation ...

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Contributions of BrCl, Br2, BrOCl, Br2O, and HOBr to Regiospecific Bromination Rates of Anisole and Bromoanisoles in Aqueous Solution

03-Apr-2015 | John D. Sivey; Mark A. Bickley; Daniel A. Victor, Environmental Science & Technology, 2015

When bromide-containing waters are chlorinated, conventional wisdom typically assumes HOBr is the only active brominating agent. Several additional and often-overlooked brominating agents (including BrCl, Br2, BrOCl, Br2O) can form in chlorinated waters, albeit at generally lower concentrations ...

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Sustainability, Vol. 7, Pages 3977-3983: Interdisciplinary Approaches and Methods for Sustainable Transformation and Innovation

03-Apr-2015 | Kim, Sangkyun, Sustainability, 2015

To increase the likelihood of success and sustainability, organizations must fundamentally reposition themselves and try to change current processes or create new products and services. One of the most effective approaches to find a solution for transformation and innovation is to learn from ...

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Multiple Signal Amplified Electrochemiluminescent Immunoassay for Hg2+ Using Graphene-Coupled Quantum Dots and Gold Nanoparticles-Labeled Horseradish Peroxidase

01-Apr-2015 | Fudong Cai; Qing Zhu; Kang Zhao; Anping Deng; Jianguo Li, Environmental Science & Technology, 2015

A multiple signal amplification strategy was designed for an ultrasensitive competitive immunoassay for Hg2+. This strategy was achieved using graphene conjugated with a large number of CdSe quantum dots to enhance the basal signal and enormous horseradish peroxidase (HRP) labeled with gold ...

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Destruction of Methyl Bromide Sorbed to Activated Carbon by Thiosulfate or Electrolysis

27-Mar-2015 | Yu Yang; Yuanqing Li; Spencer S. Walse; William A. Mitch, Environmental Science & Technology, 2015

Methyl bromide (CH3Br) is widely used as a fumigant for postharvest and quarantine applications for agricultural products at port facilities due to the short treatment period required, but it is vented from fumigation chambers to the atmosphere after its use. Due to the potential contributions of ...

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Enhanced Photoelectrocatalytic Decomposition of Copper Cyanide Complexes and Simultaneous Recovery of Copper with a Bi2MoO6 Electrode under Visible Light by EDTA/K4P2O7

27-Mar-2015 | Xu Zhao; Juanjuan Zhang; Meng Qiao; Huijuan Liu; Jiuhui Qu, Environmental Science & Technology, 2015

Simultaneous photoelectrocatalytic (PEC) oxidation of cyanides and recovery of copper in a PEC reactor with a Bi2MoO6 photoanode was investigated at alkaline conditions under visible light irradiation. The surface variation of the Bi2MoO6 photoanode and titanium cathode was characterized. The Cu ...

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Dye biosorption from water employing chemically modified calabrian pine cone shell as an effective biosorbent

22-Mar-2015 | Fatih Deniz, Environmental Progress, 2015

The feasibility of base (0.1 M NaOH) treated cone shell of Calabrian pine as an effective and inexpensive biosorbent was examined for removal of C.I. Basic Red 46 as a model azo dye from aqueous solution. Biosorption conditions selected for this study were optimized using Taguchi experimental ...

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Oxidative Degradation of Nalidixic Acid by Nano-magnetite via Fe2+/O2-Mediated Reactions

20-Mar-2015 | Sandy G. Ardo; Sylvie Nélieu; Georges Ona-Nguema; Ghislaine Delarue; Jessica Brest; Elsa Pironin; Guillaume Morin, Environmental Science & Technology, 2015

Organic pollution has become a critical issue worldwide due to the increasing input and persistence of organic compounds in the environment. Iron minerals are potentially able to degrade efficiently organic pollutants sorbed to their surfaces via oxidative or reductive transformation processes. ...

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