Search for dissertations about: "Impregnation"
Showing result 1 - 5 of 105 swedish dissertations containing the word Impregnation.
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1. Hydrophobic Impregnation of Concrete Structures : Effects on Concrete Properties
Abstract : Hydrophobic impregnations often referred to as water repellent agents, today mainly consisting of alkylalkoxysilanes, are often used on concrete to prolong the service life of the structure. This is accomplished by protecting the reinforcement bars from chlorides or by changing the moisture content inside. READ MORE
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2. Extended impregnation kraft cooking of softwood : Effects on reject, yield, pulping uniformity, and physical properties
Abstract : Converting wood into paper is a complex process involving many different stages, one of which is pulping. Pulping involves liberating the wood fibres from each other, which can be done either chemically or mechanically. READ MORE
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3. Impregnation of concrete structures : transportation and fixation of moisture in water repellent treated concrete
Abstract : Water repellent agents, today mainly consisting of alkylalkoxysilanes, are often used on concrete to prolong the service life of the structure. This is accomplished by protecting the reinforcement bars from chlorides or by changing the moisture content inside. READ MORE
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4. Improved Usage of Wood Raw Material through Modification of the Kraft Process
Abstract : The kraft process is a complex system with many variables, and though the process is fairly well understood, there is still much we do not know. This thesis examines some aspects of the kraft process that could prove to be of interest for the pulp and paper industry, specifically, the impact of wood chip impregnation and of the chemical structure of xylan on spruce kraft pulp. READ MORE
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5. DIFFUSION OF IONS IN WOOD
Abstract : Wood sourced from well managed plantations or forests, is a renewable material with many advantages over non-renewable (fossil) material, and also wood lignocelluloses are the only type of biomass that is a seasonal-independent product. In addition to direct utilization as a building material, major uses of wood are currently for making pulp and paper products, and fuel. READ MORE