Search for dissertations about: "Lars Lövgren"

Showing result 11 - 12 of 12 swedish dissertations containing the words Lars Lövgren.

  2. 11. Process water geochemistry and interactions with magnetite at the Kiirunavaara iron mine, northern Sweden

    Author : Magnus Westerstrand; Lars Lövgren; Luleå tekniska universitet; []
    Keywords : NATURVETENSKAP; NATURAL SCIENCES; Applied Geology; Tillämpad geologi;

    Abstract : Current global estimates indicate that ca. 2400 million tonnes of iron is produced annually, most of which is used to make steel. Due to the associated costs, environmental challenges and energy consumption, steel is one of the world’s most intensively recycled materials. For example, about 98 % of structural steel is recycled in the USA. READ MORE

  4. 12. Enhanced phosphorus removal from wastewater using virgin and modified slags : performance, speciation and mechanisms

    Author : Minyu Zuo; Gunno Renman; Jon Petter Gustafsson; Lars Lövgren; KTH; []
    Keywords : TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; AOD; EAF; BFS; Calcium phosphate; XANES; slag mineralogy; Mark- och vattenteknik; Land and Water Resources Engineering;

    Abstract : Argon oxygen decarburization slag (AOD) was tested in batch and column experiments to investigate its phosphorus (P) removal performance. The effects of factors such as AOD dose, initial P concentration of the feeding solution, and aging on the P removal ability of the slags were analyzed. READ MORE