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Removal of Antimonite (Sb(III)) and Antimonate (Sb(V)) from Aqueous Solution Using Carbon Nanofibers That Are Decorated with Zirconium Oxide (ZrO2)

28-Aug-2015 | Jinming Luo; Xubiao Luo; John Crittenden; Jiuhui Qu; Yaohui Bai; Yue Peng; Junhua Li, Environmental Science & Technology, 2015

Zirconium oxide (ZrO2)-carbon nanofibers (ZCN) were fabricated and batch experiments were used to determine antimonite (Sb(III)) and antimonate (Sb(V)) adsorption isotherms and kinetics. ZCN have a maximum Sb(III) and Sb(V) adsorption capacity of 70.83 and 57.17 mg/g, respectively. The adsorption ...


Enhanced Salt Removal in an Inverted Capacitive Deionization Cell Using Amine Modified Microporous Carbon Cathodes

27-Aug-2015 | Xin Gao; Ayokunle Omosebi; James Landon; Kunlei Liu, Environmental Science & Technology, 2015

Microporous SpectraCarb carbon cloth was treated using nitric acid to enhance negative surface charges of COO– in a neutral solution. This acid-treated carbon was further modified by ethylenediamine to attach −NH2 surface functional groups, resulting in positive surface charges of −NH3+ via ...


Probing Contaminant Transport to and from Clay Surfaces in Organic Solvents and Water Using Solution Calorimetry

26-Aug-2015 | Amin Pourmohammadbagher; John M. Shaw, Environmental Science & Technology, 2015

Clays, in tailings, are a significant ongoing environmental concern in the mining and oilsands production industries, and clay rehabilitation following contamination poses challenges episodically. Understanding the fundamentals of clay behavior can lead to better environmental impact mitigation ...


Influence of Dissolved Organic Matter on Tetracycline Bioavailability to an Antibiotic-Resistant Bacterium

26-Aug-2015 | Zeyou Chen; Yingjie Zhang; Yanzheng Gao; Stephen A. Boyd; Dongqiang Zhu; Hui Li, Environmental Science & Technology, 2015

Complexation of tetracycline with dissolved organic matter (DOM) in aqueous solution could alter the bioavailability of tetracycline to bacteria, thereby alleviating selective pressure for development of antibiotic resistance. In this study, an Escherichia coli whole-cell bioreporter construct ...


Non‐noble metal graphene oxide‐copper (II) ions hybrid electrodes for electrocatalytic hydrogen evolution reaction

25-Aug-2015 | S. Muralikrishna, T.N. Ravishankar, T. Ramakrishnappa, D.H. Nagaraju, Ranjith Krishna Pai, Environmental Progress, 2015

Non‐noble metal and inexpensive graphene oxide‐copper (II) ions (GO‐Cu2+) hybrid catalysts have been explored for the hydrogen evolution reaction (HER). We were able to tune the binding abilities of GO toward the Cu2+ ions and hence their catalytic properties by altering the pH. We have utilized ...


Sustainability, Vol. 7, Pages 11160-11189: Exploring Gamification Techniques and Applications for Sustainable Tourism

14-Aug-2015 | Negruşa, Adina Letiţia; Toader, Valentin ; Sofică, Aurelian ; Tutunea, Mihaela Filofteia; Rus, Rozalia Veronica, Sustainability, 2015

Tourism is perceived as an appropriate solution for pursuing sustainable economic growth due to its main characteristics. In the context of sustainable tourism, gamification can act as an interface between tourists (clients), organisations (companies, NGOs, public institutions) and community, an ...


Efficient Sorption and Removal of Perfluoroalkyl Acids (PFAAs) from Aqueous Solution by Metal Hydroxides Generated in Situ by Electrocoagulation

13-Aug-2015 | Hui Lin; Yujuan Wang; Junfeng Niu; Zhihan Yue; Qingguo Huang, Environmental Science & Technology, 2015

Removal of environmentally persistent perfluoroalkyl acids (PFAAs), that is, perfluorooctanesulfonate (PFOS) and perfluorocarboxylic acids (PFCAs, C4 ∼ C10) were investigated through sorption on four metal hydroxide flocs generated in situ by electrocoagulation in deionized water with 10 mM NaCl ...


Mechanisms of CO2 Capture into Monoethanolamine Solution with Different CO2 Loading during the Absorption/Desorption Processes

13-Aug-2015 | Bihong Lv; Bingsong Guo; Zuoming Zhou; Guohua Jing, Environmental Science & Technology, 2015

Though the mechanism of MEA-CO2 system has been widely studied, there is few literature on the detailed mechanism of CO2 capture into MEA solution with different CO2 loading during absorption/desorption processes. To get a clear picture of the process mechanism, 13C nuclear magnetic resonance ...


Mitigation of Salinity Buildup and Recovery of Wasted Salts in a Hybrid Osmotic Membrane Bioreactor–Electrodialysis System

13-Aug-2015 | Yaobin Lu; Zhen He, Environmental Science & Technology, 2015

The osmotic membrane bioreactor (OMBR) is an emerging technology that uses water osmosis to accomplish separation of biomass from the treated effluent; however, accumulation of salts in the wastewater due to water flux and loss of draw solute because of reverse salt flux seriously hinder OMBR ...


IJERPH, Vol. 12, Pages 9454-9474: Dengue Vaccines: A Perspective from the Point of View of Intellectual Property

12-Aug-2015 | da Veiga, Claudimar Pereira; da Veiga, Cássia Rita Pereira; Del Corso, Jansen Maia; da Silva, Wesley Vieira, International Journal of Environmental Research and Public Health, 2015

Dengue is a serious infectious disease and a growing public health problem in many tropical and sub-tropical countries. To control this neglected tropical disease (NTD), vaccines are likely to be the most cost-effective solution. This study analyzed dengue vaccines from both a historical and ...


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