Sökning: "Chemical engineering"

Visar resultat 1 - 5 av 3285 avhandlingar innehållade orden Chemical engineering.

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

    Detta är en avhandling från Chalmers University of Technology

    Författare :Miriam Johansson; Chalmers tekniska högskola.; Chalmers University of Technology.; [2008]
    Nyckelord :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;

    Sammanfattning : 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. LÄS MER

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

    Detta är en avhandling från Chalmers University of Technology

    Författare :Jan Gustav Grolig; Chalmers tekniska högskola.; Chalmers University of Technology.; [2015]
    Nyckelord :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;

    Sammanfattning : 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. LÄS MER

  3. 3. Near Wall Studies of Pulp Suspension Flow

    Detta är en avhandling från Chalmers University of Technology

    Författare :Helena Fock; Chalmers tekniska högskola.; Chalmers University of Technology.; [2007]
    Nyckelord :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;

    Sammanfattning : .... LÄS MER

  4. 4. Analysis of carbon black oxidation

    Detta är en avhandling från Chalmers University of Technology

    Författare :Soheil Soltani; Chalmers tekniska högskola.; Chalmers University of Technology.; [2017]
    Nyckelord :TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; inverse problems; residence time distribution; diesel particulate filter DPF ; transient kinetics; computational fluid dynamics CFD ; deconvolution; kinetic modeling;

    Sammanfattning : Diesel engines are known to be a major source of a highly pollutant material known as particulate matter, PM, which is a strongly threatening agent to human health. Therefore, diesel particulate filters are used to reduce PM emissions by trapping soot. LÄS MER

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

    Detta är en avhandling från Chalmers University of Technology

    Författare :Soran Shwan; Chalmers tekniska högskola.; Chalmers University of Technology.; Chalmers tekniska högskola.; Chalmers University of Technology.; [2014]
    Nyckelord :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.;

    Sammanfattning : 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). LÄS MER