Search for dissertations about: "Wolfgang Sand"

Found 2 swedish dissertations containing the words Wolfgang Sand.

  2. 1. Chalcopyrite Dissolution in Sulphate-Based Leaching and Bioleaching Systems

    Author : Mohammad Khoshkhoo; Wolfgang Sand; Luleå tekniska universitet; []
    Keywords : TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; Process Metallurgy; Processmetallurgi;

    Abstract : Chalcopyrite (CuFeS2) is the most abundant and the most economically important copper mineral. Increasing worldwide demand for copper accompanied by exhaustion of copper resources necessitate the development of new processes for treating lower-grade copper ores. READ MORE

  4. 2. Physiology and Genetics of Acidithiobacillus species : Applications for Biomining

    Author : Olena Rzhepishevska; Mark Dopson; Wolfgang Sand; Umeå universitet; []
    Keywords : NATURVETENSKAP; NATURAL SCIENCES; Microbiology; Mikrobiologi;

    Abstract : Bacteria from the genus Acidithiobacillus are often associated with biominingand acid mine drainage. Biomining utilises acidophilic, sulphur and ironoxidising microorganisms for recovery of metals from sulphidic low grade oresand concentrates. READ MORE