Search for dissertations about: "Softwood"

Showing result 21 - 25 of 149 swedish dissertations containing the word Softwood.

  2. 21. On the structure of residual lignin in kraft pulping

    Author : Andrea Majtnerová; KTH; []
    Keywords : TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; biphenyl structures; kappa number; kraft pulping; phenols; radical coupling; residual delignificaiton; residual lignin; softwood; Cellulose and paper engineering; Cellulosa- och pappersteknik;

    Abstract : .... READ MORE

  4. 22. Wood pellets as low-emitting residential biofuel

    Author : Maria Olsson; Chalmers tekniska högskola; []
    Keywords : TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; NATURVETENSKAP; NATURAL SCIENCES; burner; softwood; methoxyphenol; boiler; benzene; pellets; stove;

    Abstract : .... READ MORE

  5. 23. Analysis of Degradation Products from Wood and Methods for Detoxification of Lignocellulose Hydrolysates

    Author : Per Persson; Centrum för analys och syntes; []
    Keywords : NATURVETENSKAP; NATURAL SCIENCES; galactoglucomannan; mass spectrometry; liquid chromatography; sugar degradation; detoxification; fermentation inhibitors; lignocellulose hydrolysates; Ethanol production; softwood; Analytical chemistry; Analytisk kemi; countercurrent supercritical fluid extraction;

    Abstract : In order to produce fuel ethanol from lignocellulose, it is necessary to hydrolyse the sugar-containing constituents hemicellulose and cellulose. During acid hydrolysis, a number of compounds are formed or liberated in addition to the fermentable monomeric sugars. READ MORE

  6. 24. Lignin-Based Thermosets with Tunable Mechanical and Morphological Properties : A Study of Structure-Property Relationships

    Author : Iuliana Ribca; Mats Johansson; Martin Lawoko; Stephan V. Roth; Mika Sipponen; KTH; []
    Keywords : NATURVETENSKAP; NATURAL SCIENCES; NATURVETENSKAP; NATURAL SCIENCES; TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; NATURVETENSKAP; NATURAL SCIENCES; Softwood; hardwood; technical lignin; solvent fractionation; allylation; thiol-ene thermosets; thioether linkage; wide-angle X-ray scattering; π-π stacking interactions; Barrträ; lövträ; tekniskt lignin; lösningsmedelsfraktionering; allylering; tiol-en-härdplaster; tioeterbindning; vidvinkelröntgenspridning; π-π staplingsinteraktioner; Fiber- och polymervetenskap; Fibre and Polymer Science;

    Abstract : Nowadays, there is an urgent need to decrease our dependence on fossilresources and shift towards the use of renewable resources for advancingsustainable development. Utilizing renewable and bio-based raw materials,such as lignocellulosic biomass, for designing new materials is a promisingapproach to promote this objective. READ MORE

  7. 25. Modified kraft pulping

    Author : Peter Sandström; KTH; []
    Keywords : Delignification; Kraft cooking; Selectivity; Softwood;

    Abstract : .... READ MORE