Search for dissertations about: "Lignin"

Showing result 1 - 5 of 201 swedish dissertations containing the word Lignin.

  1. 1. Viscosity and boiling point elevation of black liquor from the lignin extraction process and the modification of extracted lignin

    University dissertation from Chalmers University of Technology

    Author : Ali Moosavifar; Chalmers tekniska högskola.; Chalmers tekniska högskola.; Chalmers University of Technology.; [2006]
    Keywords : TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; Cellulosa- och pappersteknik; Cellulose and paper engineering; Black liquor; black liquor properties; viscosity; Boiling point elevation; evaporation characteristic; alkalisation of black liquor; Lignin; Lignin precipitation; combustion of lignin; lignin modification; calcium addition to lignin; lignin fuel;

    Abstract : .... READ MORE

  2. 2. Palladium-catalyzed lignin valorization Towards a lignin-based biorefinery

    University dissertation from Uppsala : Acta Universitatis Upsaliensis

    Author : Maxim Galkin; Uppsala universitet.; [2015]
    Keywords : NATURVETENSKAP; NATURAL SCIENCES; NATURVETENSKAP; NATURAL SCIENCES; LANTBRUKSVETENSKAPER; AGRICULTURAL SCIENCES; Lignin; Heterogeneous Catalysis; Palladium; Biomass; Depolymerization; Reduction; Oxidation; Biorefinery; Transfer Hydrogenolysis; Organisk kemi; Organic Chemistry;

    Abstract : The work described in this thesis focuses on the cleavage of the β-O-4′ bond, which is the most abundant interunit linkage in the lignin polymer.In the first part, three methods based on palladium catalysis have been developed and their applicability has been verified using lignin model compounds. READ MORE

  3. 3. Lignin Extraction from Black Liquor - Properties of the Liquors and Sulphur Content in the Lignin

    University dissertation from Chalmers University of Technology

    Author : Ali Moosavifar; Chalmers tekniska högskola.; Chalmers University of Technology.; Chalmers tekniska högskola.; [2008]
    Keywords : TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; Cellulosa- och pappersteknik; Cellulose and paper engineering; Black liquor; properties; viscosity; boiling point elevation; alkalisation; lignin; lignin precipitation; combustion of lignin; lignin modification; biofuel; heat-treatment; viscosity correlations.;

    Abstract : .... READ MORE

  4. 4. Lignin-carbohydrate complexes: Model compounds synthesis

    University dissertation from Chalmers University of Technology

    Author : Filip Nylander; Chalmers tekniska högskola.; Chalmers University of Technology.; Chalmers tekniska högskola.; [2015]
    Keywords : NATURVETENSKAP; NATURAL SCIENCES; NATURVETENSKAP; NATURAL SCIENCES; NATURVETENSKAP; NATURAL SCIENCES; NATURVETENSKAP; NATURAL SCIENCES; Lignin-carbohydrate complex; lignin model compounds; lignocellulose;

    Abstract : .... READ MORE

  5. 5. Precipitation of Kraft Lignin: Yield and Equilibrium

    University dissertation from Chalmers University of Technology

    Author : Weizhen Zhu; Chalmers tekniska högskola.; Chalmers University of Technology.; Chalmers tekniska högskola.; [2015]
    Keywords : TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; LignoBoost process; lignin precipitation; black liquor; Poisson-Boltzmann cell model; molecular weight of lignin; 1H and 13C NMR spectra of lignin;

    Abstract : .... READ MORE