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Fabrication and performance evaluation of Faujasite zeolite composite ultrafiltration membrane by separation of trivalent ions from aqueous solution

05-Feb-2016 | Ashim Kumar Basumatary, Partha Pratim Adhikari, Aloke Kumar Ghoshal, G. Pugazhenthi, Environmental Progress, 2016

This study deals with the separation of trivalent salts (FeCl3 and AlCl3) from aqueous solution using Faujasite (FAU) zeolite composite ultrafiltration membrane. The ceramic support was prepared by a facile uniaxial compaction method and sintered at 950°C. The FAU coating on the ceramic support ...

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Sorption and Redox Speciation of Plutonium at the Illite Surface

03-Feb-2016 | Nidhu lal Banik; Rémi Marsac; Johannes Lützenkirchen; Alexandre Diascorn; Kerstin Bender; Christian Michael Marquard ..., Environmental Science & Technology, 2016

The geochemical behavior of Pu strongly depends on its redox speciation. In this study, we investigated Pu sorption onto Na–illite, a relevant component of potential host rocks for high-level nuclear waste repositories, under anaerobic conditions. When contacting Pu (85% Pu(IV), 11% Pu(V), and 4% ...

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Sustainability, Vol. 8, Pages 129: Performance Evaluation for Sustainability of Strong Smart Grid by Using Stochastic AHP and Fuzzy TOPSIS Methods

30-Jan-2016 | Zhao, Huiru ; Li, Nana, Sustainability, 2016

As an efficient way to deal with the global climate change and energy shortage problems, a strong, self-healing, compatible, economic and integrative smart gird is under construction in China, which is supported by large amounts of investments and advanced technologies. To promote the ...

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Homogeneous and Heterogeneous (Fex, Cr1–x)(OH)3 Precipitation: Implications for Cr Sequestration

28-Jan-2016 | Chong Dai; Xiaobing Zuo; Bo Cao; Yandi Hu, Environmental Science & Technology, 2016

The formation of (Fe, Cr)(OH)3 nanoparticles determines the fate of aqueous Cr in many aquatic environments. Using small-angle X-ray scattering, precipitation rates of (Fe, Cr)(OH)3 nanoparticles in solution and on quartz were quantified from 0.1 mM Fe(III) solutions containing 0–0.25 mM Cr(III) ...

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Zn Isotope Fractionation during Sorption onto Kaolinite

28-Jan-2016 | Damien Guinoiseau; Alexandre Gélabert; Julien Moureau; Pascale Louvat; Marc F. Benedetti, Environmental Science & Technology, 2016

In this study, we quantify zinc isotope fractionation during its sorption onto kaolinite, by performing experiments under various pH, ionic strength, and total Zn concentrations. A systematic enrichment in heavy Zn isotopes on the surface of kaolinite was measured, with Δ66Znadsorbed-solution ...

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Effects of Rhamnolipid and Carboxymethylcellulose Coatings on Reactivity of Palladium-Doped Nanoscale Zerovalent Iron Particles

27-Jan-2016 | Sourjya Bhattacharjee; Mohan Basnet; Nathalie Tufenkji; Subhasis Ghoshal, Environmental Science & Technology, 2016

Nanoscale zerovalent iron (NZVI) particles are often coated with polymeric surface modifiers for improved colloidal stability and transport during remediation of contaminated aquifers. Doping the NZVI surface with palladium (Pd-NZVI) increases its reactivity to pollutants such as ...

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Sustainability, Vol. 8, Pages 114: Technology Evaluation and Selection of 3DIC Integration Using a Three-Stage Fuzzy MCDM

26-Jan-2016 | Lee, Yen-Chun ; Chou, C. James, Sustainability, 2016

For the purpose of the sustainable development in the global semiconductor industry, emerging three-dimensional integrated circuit (3DIC) integration technologies have demonstrated their importance as potential candidates for extending the lifespan of Moore’s Law. This study aimed to explore a ...

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Kinetics of CO2 Absorption into Aqueous Basic Amino Acid Salt: Potassium Salt of Lysine Solution

25-Jan-2016 | Shufeng Shen; Ya-nan Yang; Yangyang Bian; Yue Zhao, Environmental Science & Technology, 2016

Aqueous amino acid salts are considered as an attractive alternative to alkanolamine solvents (e.g., MEA) for carbon dioxide (CO2) absorption. The kinetics of CO2 into unloaded aqueous solutions of potassium lysinate (LysK) was studied using a wetted wall column at concentrations ranging from ...

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Sustainability, Vol. 8, Pages 107: Sustainable Acoustic Metasurfaces for Sound Control

22-Jan-2016 | Gori, Paola ; Guattari, Claudia ; Asdrubali, Francesco ; de Lieto Vollaro, Roberto ; Monti, Alessio ; Ramaccia, Davi ..., Sustainability, 2016

Sound attenuation with conventional acoustic materials is subject to the mass law and requires massive and bulky structures at low frequencies. A possible alternative solution is provided by the use of metamaterials, which are artificial materials properly engineered to obtain properties and ...

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Production of Molecular Iodine and Tri-iodide in the Frozen Solution of Iodide: Implication for Polar Atmosphere

22-Jan-2016 | Kitae Kim; Akihiro Yabushita; Masanori Okumura; Alfonso Saiz-Lopez; Carlos A. Cuevas; Christopher S. Blaszczak-Boxe; ..., Environmental Science & Technology, 2016

The chemistry of reactive halogens in the polar atmosphere plays important roles in ozone and mercury depletion events, oxidizing capacity, and dimethylsulfide oxidation to form cloud-condensation nuclei. Among halogen species, the sources and emission mechanisms of inorganic iodine compounds in ...

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