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Arsenic-Rich Acid Mine Water with Extreme Arsenic Concentration: Mineralogy, Geochemistry, Microbiology, and Environmental Implications

14-11-2014 | Juraj Majzlan; Jakub Plášil; Radek Škoda; Johannes Gescher; Felix Kögler; Anna Rusznyak; Kirsten Küsel; Thomas R. Ne ..., Environmental Science & Technology, 2014

Extremely arsenic-rich acid mine waters have developed by weathering of native arsenic in a sulfide-poor environment on the 10th level of the Svornost mine in Jáchymov (Czech Republic). Arsenic rapidly oxidizes to arsenolite (As2O3), and there are droplets of liquid on the arsenolite crust with ...


IJERPH, Vol. 11, Pages 11645-11663: Community-Based Lifestyle Intervention for Reducing Blood Pressure and Glucose among Middle-Aged and Older Adults in China: A Pilot Study

13-11-2014 | Lin, Aihua ; Zhang, Guanrong ; Liu, Zhiting ; Gu, Jing ; Chen, Weiqing ; Luo, Futian, International Journal of Environmental Research and Public Health, 2014

Although evidence suggests that lifestyle interventions can reduce blood pressure (BP) and glucose levels, there is little information about the feasibility of such interventions when implemented in community settings. This study evaluated the effectiveness of a community-based lifestyle ...


Role of Air Bubbles Overlooked in the Adsorption of Perfluorooctanesulfonate on Hydrophobic Carbonaceous Adsorbents

13-11-2014 | Pingping Meng; Shubo Deng; Xinyu Lu; Ziwen Du; Bin Wang; Jun Huang; Yujue Wang; Gang Yu; Baoshan Xing, Environmental Science & Technology, 2014

Hydrophobic interaction has been considered to be responsible for adsorption of perfluorooctanesulfonate (PFOS) on the surface of hydrophobic adsorbents, but the long C–F chain in PFOS is not only hydrophobic but also oleophobic. In this study, for the first time we propose that air bubbles on ...


Arsenic Mobility during Flooding of Contaminated Soil: The Effect of Microbial Sulfate Reduction

12-11-2014 | Edward D. Burton; Scott G. Johnston; Benjamin D. Kocar, Environmental Science & Technology, 2014

In floodplain soils, As may be released during flooding-induced soil anoxia, with the degree of mobilization being affected by microbial redox processes such as the reduction of As(V), Fe(III), and SO42–. Microbial SO42– reduction may affect both Fe and As cycling, but the processes involved and ...


Effects of Solution Chemistry on Adsorption of Selected Pharmaceuticals and Personal Care Products (PPCPs) by Graphenes and Carbon Nanotubes

10-11-2014 | Fei-fei Liu; Jian Zhao; Shuguang Wang; Peng Du; Baoshan Xing, Environmental Science & Technology, 2014

Adsorption of three selected pharmaceuticals and personal care products (PPCPs) (ketoprofen (KEP), carbamazepine (CBZ), and bisphenol A (BPA)) by two reduced graphene oxides (rGO1 and rGO2) and one commercial graphene was examined under different solution conditions. Single-walled carbon ...


Microbial Reduction of U(VI) under Alkaline Conditions: Implications for Radioactive Waste Geodisposal

07-11-2014 | Adam J. Williamson; Katherine Morris; Gareth T. W. Law; Athanasios Rizoulis; John M. Charnock; Jonathan R. Lloyd, Environmental Science & Technology, 2014

Although there is consensus that microorganisms significantly influence uranium speciation and mobility in the subsurface under circumneutral conditions, microbiologically mediated U(VI) redox cycling under alkaline conditions relevant to the geological disposal of cementitious intermediate level ...


Sustainability, Vol. 6, Pages 7883-7893: Optimized Renewable and Sustainable Electricity Generation Systems for Ulleungdo Island in South Korea

06-11-2014 | Yoo, Kyeongsik ; Park, Eunil ; Kim, Heetae ; Ohm, Jay Y.; Yang, Taeyong ; Kim, Ki Joon; Chang, Hyun Joon; del Pobil, ..., Sustainability, 2014

The South Korean government has long been attempting to reduce the nation’s heavy reliance on fossil fuels and increase environmental safety by developing and installing renewable power generation infrastructures and implementing policies for promoting the green growth of Korea’s energy industry. ...


Bioaccessibility of lead in airborne particulates from car battery repair work

04-11-2014 | Emmanuel Dartey; Balazs Berlinger; Yngvar Thomassen; Dag G. Ellingsen; Jon Ø. Odland; Vincent K. Nartey; Francis A. ..., Journal of Environmental Monitoring, 2014

The bioaccessibility of Pb in air particulate matter from two car battery repair workshops in Kumasi (Ghana) was measured (64 full shift personal aerosol samples). An artificial lung lining fluid simulant (Hatch solution) was applied for leaching the bioaccessible fraction in half of the samples, ...


Sustainability, Vol. 6, Pages 7601-7620: Pricing or Quota? A Solution to Water Scarcity in Oasis Regions in China: A Case Study in the Heihe River Basin

29-10-2014 | Shi, Minjun ; Wang, Xiaojun ; Yang, Hong ; Wang, Tao, Sustainability, 2014

The conflict between increasing water demand and limited water resources has become a serious threat to oasis regions in China. Solutions to water scarcity have to curb overall water demands, especially reducing agricultural water use. Price control and quantitative control are the two most ...


Vapor Intrusion Screening Model for the Evaluation of Risk-Based Vertical Exclusion Distances at Petroleum Contaminated Sites

29-10-2014 | Iason Verginelli; Renato Baciocchi, Environmental Science & Technology, 2014

The key role of biodegradation in attenuating the migration of petroleum hydrocarbon vapors into the indoor environments has been deeply investigated in the last decades. Very recently, empirical screening levels for the separation distance from the source, above which the potential for vapor ...


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