Search for dissertations about: "sodium hydroxide"
Showing result 1 - 5 of 54 swedish dissertations containing the words sodium hydroxide.
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1. Electrochemical generation of polysulfide liquor and sodium hydroxide from white liquor
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2. Pretreatment of bagasse with sodium hydroxide and hydrogen peroxide in chemimechanical pulping
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3. High-yield chemimechanical pulping of bagasse
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4. Some aspects on TCF-bleachability of softwood alkaline pulps
Abstract : The bleachability of softwood oxygen delignified pulps has been studied, i.e. the ease (requirement of bleaching chemicals) with which the pulps can be brightened to a target brightness in totally chlorine free (TCF) bleaching stages, including hydrogen peroxide, ozone and chelating agent stages. READ MORE
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5. On the Interrelation Between Kraft Cooking Conditions and Pulp Composition
Abstract : In the early 1990’s, a lot of work was focused on extending the kraft cook to a low lignin content (low kappa number). The driving force was the need to further reduce the environmental impact of the bleaching, as less delignification work would be needed there. READ MORE