Search for dissertations about: "kraft pulping"

Showing result 1 - 5 of 75 swedish dissertations containing the words kraft pulping.

  1. 1. Modified kraft pulping

    University dissertation from Institutionen för pappers- och massateknologi

    Author : Peter Sandström; [2000]
    Keywords : Delignification; Kraft cooking; Selectivity; Softwood;

    Abstract : .... READ MORE

  2. 2. Wood chips for kraft and sulfite pulping evaluation of novel forest-industrial drum-chipping technology

    University dissertation from Institutionen för pappers- och massateknologi

    Author : Jessica Gard Timmerfors; Leif J. Jönsson; David Blomberg; Sören Östlund; []
    Keywords : TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; wood chip; drum chipper; impregnation; pulping; sulfite process; kraft process; Scots pine; Norway spruce; heartwood; frozen wood; moisture content;

    Abstract : Wood chipping and the supply of high-quality wood chips are of critical importance for most forest-industrial processes. The quality of wood chips affects product yield, product quality, and processability. READ MORE

  3. 3. Ethanol Pulping of Reed Canary Grass

    University dissertation from Institutionen för pappers- och massateknologi

    Author : Helena Håkansson; [1995]
    Keywords : TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; Pulping; Nonwood plants; Reed canary grass; Ethanol; Organosolv pulping; Statistical analysis; Chemical Engineering; Kemiteknik;

    Abstract : The aim of this study was to investigate the possibility of processing an agricultural crop grown in Sweden to usable pulp. A further purpose was to study ethanol pulping applied to a non-wood raw material.The first part of this thesis deals with the criteria for selecting a fibre crop for further studies. READ MORE

  4. 4. On the structure of residual lignin in kraft pulping

    University dissertation from Stockholm : KTH

    Author : Andrea Majtnerová; [2005]
    Keywords : TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; biphenyl structures; kappa number; kraft pulping; phenols; radical coupling; residual delignificaiton; residual lignin; softwood; TECHNOLOGY Chemical engineering Chemical process and manufacturing engineering Cellulose and paper engineering; TEKNIKVETENSKAP Kemiteknik Kemisk process- och produktionsteknik Cellulosa- och pappersteknik;

    Abstract : .... READ MORE

  5. 5. Some aspects on the physical chemistry of kraft lignins in aqueous solutions : Theoretical considerations and practical implications

    University dissertation from Stockholm : KTH

    Author : Magnus Norgren; [2000]
    Keywords : NATURVETENSKAP; NATURAL SCIENCES; kraft pulping; kraft lignin; phenolic groups; dissociation; pKa; molecular weight; temperature; ionic strength; pOH; polydispersity; coagulation; Poisson-Boltzmann; DLVO; NATURAL SCIENCES Chemistry; NATURVETENSKAP Kemi;

    Abstract : .... READ MORE