Sökning: "Mass-transfer"

Visar resultat 36 - 40 av 240 avhandlingar innehållade ordet Mass-transfer.

  1. 36. Iron or Copper? - Method Development and Mechanistic Studies on Cross-Coupling Reactions

    Författare :Per-Fredrik Larsson; Göteborgs universitet; []
    Nyckelord :NATURVETENSKAP; NATURAL SCIENCES; Iron; Copper; Transition metal; Cross-coupling; Reaction mechanism; Kinetic investigation; Hammett study; Sustainable catalysis; Trace-metal; Mass-transfer; Ligand development; Ligand scope;

    Sammanfattning : The area of catalysis has had an immeasurable impact on modern society. This has been acknowledged through several Nobel prizes during the 20th century ranging from Haber (1918) for the synthesis of ammonia to Richard F. Heck, Ei-ichi Negishi, and Akira Suzuki (2010) for palladium-catalyzed cross-coupling reactions. LÄS MER

  3. 37. Theoretical and experimental studies of surface and interfacial phenomena involving steel surfaces

    Författare :Weimin Cao; Seshadri Seetharaman; Oleg Ostrovski; KTH; []
    Nyckelord :TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; Sulfur; Oxygen; Adsorption; Iron surface; ab initio calculations; Adsorption energy; Work function; Difference charge density; Magnetic properties; Thermodynamic stability; Average velocity; Monte Carlo simulation; X-ray sessile drop method; Mass transfer; Interfacial velocity; Metallurgical process engineering; Metallurgisk processteknik;

    Sammanfattning : The present work was initiated to investigate the surface- and interfacial phenomena for iron and slag/iron systems. The aim was to understand the mechanism of the effect of surface active elements on surface and interfacial properties. LÄS MER

  4. 38. Processing of raw Cassava (Manihot esculenta) - Experiments and Modelling

    Författare :Carola Rojas; Livsmedelsteknik; []
    Nyckelord :TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; amylopectin; hydrodynamic radius; field flow fractionation; overlap concentration; minerals; enzymes; cassava; hydrolyses; glucose; maltose; sucros; amylase; hydrolyses kinetics; starch granule structure; radius of gyration; drying kinetics; heat transfer; high pressure homogenisation; mass transfer;

    Sammanfattning : The objective of the present thesis was to understand how the quality and performance of dried cassava products could be developed by drying and other processing steps. This goal was achieved in several stages. LÄS MER

  5. 39. Mathematical Modelling in Catalytic Automotive Pollution Control

    Författare :Lennart Andersson; Chalmers tekniska högskola; []
    Nyckelord :NATURVETENSKAP; NATURAL SCIENCES; automotive pollution control; matematical modelling; monolith; selective catalytic reduction; mass transfer;

    Sammanfattning : Design and control of honeycomb monolith reactors for catalytic automotive pollution control by mathematical modelling of the reactor has been studied. One aspect of the design has been that the use of metallic monolithic catalysts for automotive emission control raises certain optimization possibilities. LÄS MER

  7. 40. Concentration field measurement and micro scale fluid dynamics in multiphase flow

    Författare :Ronnie Andersson; Chalmers tekniska högskola; []
    Nyckelord :TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; NATURVETENSKAP; NATURAL SCIENCES; micro scale fluid dynamics; refractive index matching; planar laser induced flourescence; multiphase; modelling; droplet; mass transfer; computational fluid dynamics;

    Sammanfattning : .... LÄS MER