Search for dissertations about: "Chemical technology and engineering"

Showing result 1 - 5 of 2878 swedish dissertations containing the words Chemical technology and engineering.

  1. 1. Coated Ferritic Stainless Steels as Interconnects in Solid Oxide Fuel Cells - Material Development and Electrical Properties

    University dissertation from Chalmers University of Technology

    Author : Jan Gustav Grolig; Chalmers tekniska högskola.; Chalmers University of Technology.; [2015]
    Keywords : NATURVETENSKAP; NATURAL SCIENCES; NATURVETENSKAP; NATURAL SCIENCES; NATURVETENSKAP; NATURAL SCIENCES; TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; SOFC; ASR; Interconnects; High Temperature Corrosion;

    Abstract : Solid oxide fuel cells (SOFCs) are attracting increasing interest as devices with potential uses in decentralized and clean electricity and heat production. Several challenges with respect to materials have to be overcome to achieve efficiencies and life-spans that are sufficient for long-term applications. READ MORE

  2. 2. Heat Transfer and Hydrodynamics in Falling Film Evaporation of Black Liquor

    University dissertation from Chalmers University of Technology

    Author : Miriam Johansson; Chalmers tekniska högskola.; Chalmers University of Technology.; [2008]
    Keywords : TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; Kemiteknik; Chemical engineering; Kemisk process- och produktionsteknik; Chemical process and manufacturing engineering; Kemisk apparatteknik; Chemical process equipment; Kemisk energiteknik; Chemical energy engineering; Kemisk produktionsteknik; Chemical manufacturing engineering; Heat transfer; black liquor; evaporation; evaporator; falling film; experimental; correlation; hydrodynamics; turbulence; kraft pulp mill;

    Abstract : The evaporation plant is one of the major steam consumers in kraft pulp mills, which are the dominant type of chemical pulp mill in Sweden. Previous studies have shown potential to decrease the live steam demand for the pulp process, e.g. READ MORE

  3. 3. Near Wall Studies of Pulp Suspension Flow

    University dissertation from Chalmers University of Technology

    Author : Helena Fock; Chalmers tekniska högskola.; Chalmers University of Technology.; [2007]
    Keywords : TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; Kemiteknik; Chemical engineering; Kemisk process- och produktionsteknik; Chemical process and manufacturing engineering; Cellulosa- och pappersteknik; Cellulose and paper engineering; Kemisk apparatteknik; Chemical process equipment; Pulp; Flow behaviour; Wall layer; Velocity Profile; Concentration profile; Particle Image Velocimetry; Ultrasound Velocity Profiling;

    Abstract : .... READ MORE

  4. 4. Low temperature CO oxidation on supported platinum and cobalt oxide catalysts

    University dissertation from Chalmers University of Technology

    Author : Peter Thormählen; Chalmers tekniska högskola.; Chalmers University of Technology.; Chalmers tekniska högskola.; Chalmers University of Technology.; Chalmers tekniska högskola.; Chalmers University of Technology.; Chalmers tekniska högskola.; Chalmers University of Technology.; [1999]
    Keywords : NATURVETENSKAP; NATURAL SCIENCES; NATURVETENSKAP; NATURAL SCIENCES; NATURVETENSKAP; NATURAL SCIENCES; TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; catalytic oxidation; carbon monoxide; propene; low temperature activity; cold start emissions; pre-treatment; platinum; palladium; cobalt oxide; ceria; A12O3; CO-TPD; TPO; TPReaction; CO light-off; CO; SO2; NOx; C3H6; H2; CO2;

    Abstract : .... READ MORE

  5. 5. Metal-exchanged zeolites for NH3-SCR applications - Activity and Deactivation studies

    University dissertation from Chalmers University of Technology

    Author : Soran Shwan; Chalmers tekniska högskola.; Chalmers University of Technology.; Chalmers tekniska högskola.; Chalmers University of Technology.; [2014]
    Keywords : NATURVETENSKAP; NATURAL SCIENCES; NATURVETENSKAP; NATURAL SCIENCES; NATURVETENSKAP; NATURAL SCIENCES; TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; Emissions; Nitrogen oxides; Catalyst; NH3-SCR; Ammonia; Hydrothermal; Chemical; Deactivation; Ageing; Poisoning; Kinetic; modeling; Iron; Copper; Zeolite; NSR; NH3; NOX.;

    Abstract : Emissions of nitrogen oxides (NOX) formed during the burning process in internal combustion engines is a major contributor to global air pollutions. One effective way to reduce NOX in lean environments, i.e. oxygen excess is selective catalytic reduction with ammonia (NH3-SCR). READ MORE