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4.548 Aktuelle Fachpublikationen in Environmental Science & Technology
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Efficient Method for Recycling Silica Materials from Waste Powder of the Photonic Industry
05.04.2013 | Liang-Yi Lin; Hsunling Bai, Environmental Science & Technology, 2013
An efficient and economic approach is proposed for the fast and direct recovery of silica materials from photonic waste powder. Unlike the conventional alkaline fusion method for the extraction of silica from waste materials, this method possesses advantages of a rapid and low-energy-consumed ...
A GIS Cost Model to Assess the Availability of Freshwater, Seawater, and Saline Groundwater for Algal Biofuel Production in the United States
05.04.2013 | Erik R. Venteris; Richard L. Skaggs; Andre M. Coleman; Mark S. Wigmosta, Environmental Science & Technology, 2013
A key advantage of using microalgae for biofuel production is the ability of some algal strains to thrive in waters unsuitable for conventional crop irrigation such as saline groundwater or seawater. Nonetheless, the availability of sustainable water supplies will provide significant ...
Tar Balls from Deep Water Horizon Oil Spill: Environmentally Persistent Free Radicals (EPFR) Formation During Crude Weathering
05.04.2013 | Lucy W. Kiruri; Barry Dellinger; Slawo Lomnicki, Environmental Science & Technology, 2013
Tar balls collected from the Gulf of Mexico shores of Louisiana and Florida after the BP oil spill have shown the presence of electron paramagnetic resonance (EPR) spectra characteristic of organic free radicals as well as transition metal ions, predominantly iron(III) and manganese(II). Two ...
Characterizing Microbial Community and Geochemical Dynamics at Hydrothermal Vents Using Osmotically Driven Continuous Fluid Samplers
05.04.2013 | Julie Robidart; Stephen J. Callister; Pengfei Song; Carrie D. Nicora; Charles G. Wheat; Peter R. Girguis, Environmental Science & Technology, 2013
Microbes play a key role in mediating aquatic biogeochemical cycles. However, our understanding of the relationships between microbial phylogenetic/physiological diversity and habitat physicochemical characteristics is restrained by our limited capacity to concurrently collect microbial and ...
Ozone and Ozone Byproducts in the Cabins of Commercial Aircraft
05.04.2013 | Clifford Weisel; Charles J. Weschler; Kris Mohan; Jose Vallarino; John D. Spengler, Environmental Science & Technology, 2013
The aircraft cabin represents a unique indoor environment due to its high surface-to-volume ratio, high occupant density, and the potential for high ozone concentrations at cruising altitudes. Ozone was continuously measured and air was sampled on sorbent traps, targeting carbonyl compounds, ...
Influence of Climate and Land Use Change on Spatially Resolved Volatilization of Persistent Organic Pollutants (POPs) from Background Soils
05.04.2013 | Jiří Komprda; Klára Komprdová; Milan Sáňka; Martin Možný; Luca Nizzetto, Environmental Science & Technology, 2013
The subject of this study is the assessment of the influence of climate and land use change on the potential re-emission of organochlorine pesticides (OCPs) from background and agricultural soils. A deterministic spatially and temporally explicit model of the air–surface exchange was created, ...
Insight into the Mechanism of Selective Catalytic Reduction of NOx by Propene over the Cu/Ti0.7Zr0.3O2 Catalyst by Fourier Transform Infrared Spectroscopy and Density Functional Theory Calculations
05.04.2013 | Jie Liu; Xinyong Li; Qidong Zhao; Ce Hao; Dongke Zhang, Environmental Science & Technology, 2013
The mechanism of selective catalytic reduction of NOx by propene (C3H6-SCR) over the Cu/Ti0.7Zr0.3O2 catalyst was studied by in situ Fourier transform infrared (FTIR) spectroscopy and density functional theory (DFT) calculations. Especially, the formation and transformation of cyanide (−CN ...
Prevented Mortality and Greenhouse Gas Emissions from Historical and Projected Nuclear Power
04.04.2013 | Pushker A. Kharecha; James E. Hansen, Environmental Science & Technology, 2013
In the aftermath of the March 2011 accident at Japan’s Fukushima Daiichi nuclear power plant, the future contribution of nuclear power to the global energy supply has become somewhat uncertain. Because nuclear power is an abundant, low-carbon source of base-load power, it could make a large ...
Refining Thermodynamic Constants for Mercury(II)-Sulfides in Equilibrium with Metacinnabar at Sub-Micromolar Aqueous Sulfide Concentrations
04.04.2013 | A. Drott; E. Björn; S. Bouchet; U. Skyllberg, Environmental Science & Technology, 2013
An important issue in mercury (Hg) biogeochemistry is to explore the influence of aqueous Hg(II) forms on bacterial uptake, and subsequent methyl mercury formation, under iron(III) and sulfate reducing conditions. The success of this is dependent on relevant information on the thermodynamic ...
Blood and Urinary Bisphenol A Concentrations in Children, Adults, and Pregnant Women from China: Partitioning between Blood and Urine and Maternal and Fetal Cord Blood
04.04.2013 | Tao Zhang; Hongwen Sun; Kurunthachalam Kannan, Environmental Science & Technology, 2013
Limited information exists on exposure to bisphenol A (BPA) by children, adults, and pregnant women in China. In the present study, we determined BPA concentrations in whole blood collected from 10 children (1–5 years), 40 women (30 pregnant and 10 nonpregnant), and 30 fetuses (i.e., cord ...
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