Search for dissertations about: "Recover"

Showing result 21 - 25 of 365 swedish dissertations containing the word Recover.

  1. 21. Recovery of copper and zinc in ashes from municipal solid waste combustion

    Author : Jinfeng Tang; Chalmers tekniska högskola; []
    Keywords : TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; Cyanex 923; MSWI waste; LIX860-I; acidic leaching; waste treatment.; copper; solvent extraction; zinc;

    Abstract : The amount of municipal solid waste incineration (MSWI) fly ash has increased in many parts of the world in recent years. Ashes from municipal solid waste incineration (MSWI) may be a cumbersome waste to handle since containing significant amounts of leachable hazardous metal species and must be landfilled in special sites at high costs. READ MORE

  2. 22. Essays in Political Economy

    Author : Kåre Vernby; Per-Ola Öberg; Torsten Persson; Uppsala universitet; []
    Keywords : Political science; Statsvetenskap; Economic Openness; Electoral Systems; Employers Associations; Labor Market Regulations; Labor Unions; Political Economy; Strikes;

    Abstract : This thesis consists of an introduction and three stand-alone essays. In the introduction I discuss the commonalities between the three essays. Essay I charts the the main political cleavages among 59 Swedish unions and business organizations. READ MORE

  3. 23. Mechanical recycling of consumer electronic scrap

    Author : Jirang Cui; []
    Keywords : TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; Mineralteknik; Mineral Processing;

    Abstract : Consumer electronic equipment (brown goods), such as television sets, radio sets, and video recorders, are most common. However, recycling of consumer electronic scrap is only beginning. READ MORE

  4. 24. Experimental studies on treatment and recycling of pickling sludge generated in stainless steel production

    Author : Ping Ma; Luleå tekniska universitet; []
    Keywords : TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; Process Metallurgy; Processmetallurgi;

    Abstract : Pickling sludge generated in the stainless steel industries contains large amounts of calcium fluoride and water and relatively small amounts of metals. Therefore, such sludge is difficult to be directly recycled back to the EAF process and would be harmful to the environment if deposited as landfill for a long term. READ MORE

  5. 25. Places of Rest in Worlds of Ruin : Havens in Post-Apocalyptic Fiction

    Author : Andreas Nyström; Åke Bergvall; Maria Holmgren Troy; Mathias Clasen; Karlstads universitet; []
    Keywords : HUMANIORA; HUMANITIES; Post-Apocalypse; Apocalypse; Science Fiction; Havens; Pastoral; Paradise; Mobility; Narrative Theory; English; Engelska;

    Abstract : In the inhospitable and ruined landscapes of post-apocalyptic fiction there are often found havens, places of rest that provide contrast to the desolation of the wasteland. This study explores the generic functions of such havens. READ MORE