Essays about: "processteknik"

Showing result 21 - 25 of 28 essays containing the word processteknik.

  1. 21. Influence of metal ions on lignin-based carbon fiber quality

    University essay from Luleå tekniska universitet/Industriell miljö- och processteknik

    Author : Sofia Andersson; [2017]
    Keywords : Carbon fiber; lignin; kraft lignin; cellulose; impregnation; LignoBoost; metal; ash; inorganic; black liquor; morfology; tensile testing; dry-jet wet spinning;

    Abstract : Carbon fiber is a lightweight, versatile material with many current and potential applications. To be able to expand the market for carbon fiber composites in other areas than special applications the production costs must be reduced. READ MORE

  3. 22. Impact of hardwood black liquor addition on the chemical and physical properties of kraftliner - a lab study

    University essay from Luleå tekniska universitet/Industriell miljö- och processteknik

    Author : Fredrika Sundvall; [2017]
    Keywords : Hardwood black liquor; Xylan; Kraft pulping; Black liquor.;

    Abstract : Kraft pulping, also known as sulphate pulping is a complex process where the wood components are liberated from each other facilitated by chemical reactions. During the pulping process some dissolved and degraded compounds end up together with the spent cooking chemicals in the black liquor. READ MORE

  4. 23. Well functioning wet-end starch : A prerequisite for capacity increase at Smurfit Kappa Piteå

    University essay from Luleå tekniska universitet/Industriell miljö- och processteknik

    Author : Emil Risberg; [2017]
    Keywords : ;

    Abstract : Cationic starch is a common wet-end additive in the paper industry which is mainly used to enhance retention and dry strength of the finished paper. At Smurfit Kappa Piteå, cationic starch is by far the most costly chemical used in the paper mill. READ MORE

  5. 24. Bio-coal pre-treatmeant for maximized addition in briquettes and coke

    University essay from Luleå tekniska universitet/Industriell miljö- och processteknik

    Author : Astrid Robles; [2017]
    Keywords : Blast furnace process; coal blend; sawdust; bio-coal; reduction; coke yield; reactivity behavior; self-reducing briquettes; iron oxides.; Masugnsprocess; kolblandning; bio-koks; sågspån; reduktion; järnmalm; koksutbyte; självreducerande briquetter; järnoxider;

    Abstract : Carbon dioxide emissions to the atmosphere today cause problems around the world. In Sweden, the steel production contributes significantly to carbon dioxide emissions. The steel industry challenge is to improve the metallurgical processes to decrease the carbon dioxide emissions. One way to reduce the emissions is to use renewable carbon sources. READ MORE

  6. 25. Optimization of Single Cell Protein production from spent silfite liquor using Paecilomyces variotii

    University essay from Luleå tekniska universitet/Industriell miljö- och processteknik

    Author : Oskar Nilsson; [2017]
    Keywords : Single Cell Protein; Pacilomyces; Biokemi;

    Abstract : Fish has for a long time been a very important source of protein for human kind and with the world population at an all-time high, 7.5 billion and rapidly growing, the demand for fish as a food source is also at an all-time high and rapidly increasing. READ MORE