Search for dissertations about: "Zeta-Potential"
Showing result 1 - 5 of 43 swedish dissertations containing the word Zeta-Potential.
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1. Aqueous Processing of WC-Co Powders Aqueous processing of WC-Co powders
Abstract : The object of this work is toobtain a fundamental understanding of the principal issuesconcerning the handling of WC-Co powders, in an aqueousmedium.The oxidation and dissolution oftungsten carbide powder dispersed in water was investigatedusing X-ray Photoelectron Spectroscopy (XPS) and leachingstudies. READ MORE
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2. Aqueous Processing of WC-Co Powders
Abstract : The object of this work is to obtain a fundamentalunderstanding of the principal issues concerning the handlingof an aqueous WC-Co powder suspension.The WO3 surface layer on the oxidised tungsten carbidepowder dissolves at pH>3 with the tungsten concentrationincreasing linearly with time. READ MORE
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3. Interactions between polymeric dispersants and colloidal ceramic surfaces
Abstract : Increased use of environmentally acceptable chemicals and reduced energy consumption are two foreseeable demands within the ceramics industry. This will require the replacement of organic solvents and lowering of sintering temperatures. READ MORE
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4. Oxidation and storage of NOx and SOx over platinum based catalysts
Abstract : .... READ MORE
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5. Studies of NOx Storage Catalysts - Preparation, Characterization, Sulfur Deactivation and Micro Kinetic Modelling
Abstract : For the protection of the global environment, it is essential to decrease the emissions of CO2 which is a green house gas. Lean-burn and diesel engines offer relatively low CO2 emissions and good fuel economy. READ MORE