Sökning: "Sodium polyacrylate"

Hittade 5 avhandlingar innehållade orden Sodium polyacrylate.

  1. 1. Adsorption of surfactants and polymers on iron oxides : implications for flotation and agglomeration of iron ore

    Författare :Elisaveta Potapova; Luleå tekniska universitet; []
    Nyckelord :TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; Chemical Technology; Kemisk teknologi;

    Sammanfattning : Iron ore pellets are an important refined product used as a raw material in the production of steel. In order to meet the requirements of the processes for iron production, the iron ore is upgraded in a number of steps including, among others, reverse flotation. LÄS MER

  3. 2. Molecular Arrangement, Electronic Structure and Transport Properties in Surfactant Gel- and Related Systems Studied by Soft X-ray and Dielectric Spectroscopy

    Författare :Johan Gråsjö; Maria Strömme; Jan Swenson; Uppsala universitet; []
    Nyckelord :TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; surfactants; surfactant poly-ion gel; water; confined water; XAS; RIXS; dielectric spectroscopy; SAXS; pKa; transport; Fick’s law; Engineering Science with specialization in Nanotechnology and Functional Materials; Teknisk fysik med inriktning mot nanoteknologi och funktionella material;

    Sammanfattning : This thesis concerns studies of aqueous soft matter systems, especially surfactant micelle systems.The aim has been to study the molecular arrangement and electronic structure of the constituents of, as well as transport properties in such a system. LÄS MER

  4. 3. Particle interactions at the nanoscale : From colloidal processing to self-assembled arrays

    Författare :Bertrand Faure; Lennart Bergström; Albert Philipse; Stockholms universitet; []
    Nyckelord :TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; Colloidal processing; nanoparticles; colloidal forces; titania; iron oxide; Hamaker constant; surface modification; rheology; Monte Carlo simulations; collective properties; superparamagnetism; finite-size effects; Materials Chemistry; materialkemi;

    Sammanfattning : Nanostructured materials are the next generation of high-performance materials, harnessing the novel properties of their nanosized constituents. The controlled assembly of nanosized particles and the design of the optimal nanostructure require a detailed understanding of particle interactions and robust methods to tune them. LÄS MER

  5. 4. Strategies for postoperative adhesion control

    Författare :Kristina Falk; Göteborgs universitet; []
    Nyckelord :MEDICIN OCH HÄLSOVETENSKAP; MEDICAL AND HEALTH SCIENCES; adhesion formation; adhesion prevention; experimental model; mouse; human; fibrinolysis; bioadhesion; cellulose; hydrophobic modification; t-PA; PAI-1; proCPU; TAFI;

    Sammanfattning : Introduction: Abdominal surgery almost inevitably leads to adhesion formation, which often results in substantial morbidity. The formation of postsurgical adhesions seems to be determined by the balance of fibrin deposition and degradation in an early phase of peritoneal tissue repair. LÄS MER

  7. 5. Slurry rheology of limestone and its effects on wet ultra-fine grinding

    Författare :Mingzhao He; []
    Nyckelord :TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; Mineralteknik; Mineral Processing;

    Sammanfattning : This thesis investigates rheology of limestone slurries and its effects on wet ultra-fine grinding in order to reduce energy cost and increase the throughput and the product fineness. The influences of solids concentration, molecular weight of a dispersant, particle size and distribution, and temperature on the rheological behaviours of limestone slurries have been investigated with rotational and cone-plate viscometers. LÄS MER