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Showing 1 to 20 of 187 for “"anion exchange"”.

  1. Anion exchange chromatographic analysis with conductometric detection

    Hussey, Hugh Franklin1971

    Thesis (M.S.)--Michigan State University. Dept. of Chemistry, 1971

    msu Repository record

  2. Site-Selective Anion Exchange in a Palladophosphorane

    Khuichad, NichakanMassachusetts Institute of Technology2024

    … The driving force for the favor toward the exchange at phosphorus has not been extensively explored, but hypotheses have been made which may entail the concept of hard-soft acid-base chemistry and the strength of the bonds involved.

    mit Repository record

  3. Ni Stability in Anion Exchange Membrane Fuel Cells

    Xie, Lin2021

    … platinum group metal (PGM) catalysts. An anion exchange membrane fuel cell (AEMFC) is one of many alternatives. The AEMFC provides an alkaline environment that enables the use of many non-platinum group metal (non-PGM) catalysts. This grants AEMFCs the potential to become Pt-free and thus …

    toronto-retro Repository record

  4. Treatment of Landfill leachates using anion exchange resins

    Pathak, Sudhir KumarVirginia Tech2013

    … were conducted to evaluate the applicability of anion exchange resins to remove organic matter, UV quenching substance and organic nitrogen from landfill leachates. Leachate samples based on varying age and treatment methods were utilized. The anion exchange resins were found to work effectively …

    vt Repository record

  5. Design of anion exchange cellulose hydrogel for large proteins

    Kumar, GuneetVirginia Tech1994

    … and performance as an immunosorbent. Here, anion exchange (DEAE) cellulose beads were derivatized by two different procedures (defined as A and B) and the changes in bead morphology were correlated with transport and sorption kinetics. The kinetic characteristics clearly defined a minimum of …

    vt Repository record

  6. Synthesis, properties and applications of single-component anion-exchange materials

    Caamaño, Samira, author, Strauss, Steven H., advisorColorado State University. Libraries2009

    … of these salts have been used in the past as anion-exchange extractants for attenuated total reflectance-Fourier transform infrared (ATR-FTIR) spectroscopy. Different crystallographic, electrochemical and spectroscopic parameters were analyzed to study properties like cation size and its …

    colostate Repository record

  7. Transport properties of anion exchange membranes for fuel cell applications

    Pandey, Tara PrasadColorado School of Mines. Arthur Lakes Library2016

    … humidity, and cost effective. Although proton exchange membranes (PEM), such as Nafion® are highly conductive and chemically and mechanically stable, PEMs are not widely used in fuel cells due to the higher cost of fluoropolymers and the platinum metal catalysts. Anion exchange membranes (AEM) …

    colo-mines Repository record

  8. Pyrometallurgical Oxide-Sulfide Anion Exchange for Improved Material Separation and Metal Production

    Stinn, Caspar R.Massachusetts Institute of Technology2023

    … This can be accomplished via pyrometallurgical anion exchange chemistry. Revisiting separation pathways provides an added benefit; new separation chemistries can enable improved downstream processes for metal production without direct greenhouse gas emissions. Sulfur-based routes are expected to …

    mit Repository record

  9. Anion exchange study of the oxidation states of the halogens, including astatine

    Kahn, B. (Bernd)Massachusetts Institute of Technology1960

    Thesis: Ph. D., Massachusetts Institute of Technology, Department of Chemistry, 1960

    mit Repository record

  10. Transition metal and nitrogen doped nanocarbon cathode catalysts for anion exchange membrane fuel cells

    Lilloja, Jaana2022

    tartu

  11. Anion Exchange Membranes (AEMs), based on Polyamine Obtained by Modifying Polyketone, for Electrochemical Applications

    Ataollahi, NargesUniversità degli studi di Trento2018

    Polymeric anion exchange materials can be key components for forming membranes for use in several electrochemical applications. Polyketones seem particularly promising as materials for making anion exchange membranes (AEMs), not only because the starting monomers, carbon monoxide and ethylene, are …

    trento Repository record

  12. Passive detection of phosphorus in agricultural drainage waters using reactive hybrid anion exchange resins

    Li, ZheUniversity of Illinois at Urbana-Champaign2021

    … method. Accordingly, polystyrene and polyacrylic anion exchange resins with different functional groups (i.e., strong-base and weak-base) were selected from a large pool of adsorbents (e.g., anion exchange resins, calcium and magnesium oxides, hybrid anion exchange resins, layered double …

    uiuc Repository record

  13. FIRST ROW TRANSITION METAL OXIDES AS ELECTROCATALYSTS FOR ANION EXCHANGE MEMBRANE FUEL CELLS AND ELECTROLYZERS

    Molina Villarino, AndresCornell University2023

    … transition metal oxides as candidates for anion exchange membrane fuel cells. These included a series of La-based perovskite oxides and a specific Co-Mn spinel oxide. For characterizing these systems, I employed electrochemical techniques such as cyclic voltammetry and rotating disk …

    cornell Repository record

  14. Rapid separation and determination of heavy metals in hydrochloric acid by forced-flow anion exchange chromatography

    Seymour, Mark1972

    iastate Repository record

  15. Surface chemistry design and characterization of anion exchange and activated carbon fibers for critical contaminants removal

    Zheng, WeihuaUniversity of Illinois at Urbana-Champaign2014

    … explore the path to design a porous carbon with anion-exchangeable functional groups, and apply such system towards Cr(VI) removal in drinking water. A novel hybrid anion exchangeable activated carbons (HACAX) is synthesized through chemical modification of porous carbon surface. Ion exchange …

    uiuc Repository record

  16. Synthesis of anion exchange/activated carbon fiber hybrid materials for aqueous adsorption of toxic hexavalent chromium

    Zheng, WeihuaUniversity of Illinois at Urbana-Champaign2012

    … of Cr(VI), a unique hybrid activated carbon/anion exchange system (HACAX) has been developed for the first time in our group. HACAX was synthesized by methylation of PAN based Chemically Activated Carbon Fibers. The HACAX was characterized by BET, SEM, XPS,TGA and elemental analysis. The ion …

    uiuc Repository record

  17. UNDERSTANDING AND MODELING THE SORPTION ON ANION EXCHANGE RESINS USING POLY-PARAMETER LINEAR FREE-ENERGY RELATIONSHIPS AND PHASE CONVERSION

    Shields, Anthony J.Temple University. Libraries2013

    … developed a predictive model for the sorption of anionic organic contaminants from drinking water on three anion exchange resins: a strong polystyrenic (IRA-910), weak polystyrenic (IRA-96), and a strong polacrylic (A860). The model quantifies the individual mechanisms of sorption using …

    temple Repository record

  18. The application of anion-exchange enrichment techniques to the spectrochemical determination of trace elements in silicate rocks and sea water

    Brooks, Robert RichardDepartment of Chemistry1960

    cape-town Repository record

  19. Sulfate removal from water produced during CO2 enhanced oil recovery, coal-bed methane recovery, and mining operations using anion exchange resins

    Duckworth, Cole M.University of Illinois at Urbana-Champaign2011

    … mining operations in the Illinois Basin using anion exchange resins. Equilibrium batch studies were conducted to compare commercially available strong base and weak base anion exchange resins of different type. Our results indicate that for optimal sulfate removal in high chloride solutions, …

    uiuc Repository record

  20. Part One: Catalytic Reactions of Anion-Exchange Resin Bound Dodecarhodium Triacontacarbonyl Dianion and Its Derivatives and Part Two: Properties and Reactions of Neutral Non-Polar Solvent Soluble Binuclear Complexes

    Desmond, Michael JosephUniversity of Illinois at Urbana-Champaign2014

    The resin support was the Dowes 1-X8 anion exchange resin in the chloride form. Exchange of the cluster at room temperature under an inert atmosphere leads to intact Rh(,12) (CO)(,30)('2-) being bound. This material exhibits only limited activity for the hydroformylation of of 1-hexene, accompanied …

    uiuc Repository record

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