Search for dissertations about: "järnmalm"

Found 4 swedish dissertations containing the word järnmalm.

2. 1. ECONOMIC AND SOCIAL CRISES IN SIERRA LEONE : The Role of Small-scale Entrepreneurs in Petty Trading as a Strategy for Survival 1960-1996

   Author : Fouday Kamara; Sociologi; []
   Keywords : SAMHÄLLSVETENSKAP; SOCIAL SCIENCES; Sociology; Sierra Leone; Social Networks and Survival Strategies; Family Business; Poverty alleviation; Petty Trading; Entrepreneurship; Business Culture; Development Issues; Economic Political and Social crises; Social economics; Economics of development; Sierra Leone; Sociologi; Social ekonomi; Utvecklingsekonomi;

   Abstract : Sierra Leone is a small country with rich mineral resources such as diamonds, bauxite, gold and iron ore. Other resources include fishing, forestry and fertile agricultural land, which enable people to farm without any sophisticated methods of mechanization. READ MORE

4. 2. Evaluation of wayside condition monitoring technologies for condition-based maintenance of railway vehicles

   Author : Robert Lagnebäck; Luleå tekniska universitet; []
   Keywords : TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; Drift och underhållsteknik; Operation and Maintenance;

   Abstract : Luossavaara-Kiirunavaara AB (LKAB) is an iron ore mining company in Sweden that strives to be one of the leading suppliers of iron ore products. In the chain from mining to end customers, transportation efficiency plays a mayor role in the outcome of the company's total financial result. READ MORE

5. 3. Alkaline by-products as amendments for remediation of historic mine sites

   Author : Lotta Sartz; Bert Allard; Ernest Yanful; Örebro universitet; []
   Keywords : NATURVETENSKAP; NATURAL SCIENCES; Oxidized mine waste; lime mud; green liquor dregs; fly ash; lime kiln dust; steel slag; water works granules; Oxiderat gruvavfall; mesakalk; grönlut; flygaska; filterkalk; stålslagg; vattenverksgranuler; NATURAL SCIENCES; NATURVETENSKAP; Environmental chemistry; Miljökemi; Enviromental Science; Miljövetenskap;

   Abstract : Mining has been and still is an important industry in Sweden, it has strongly contributed to the standard of living we have today. Extraction of ore began in the 12th century, but did not come about frequently until the 16th century, which is often seen as the starting age for ore processing and metal extraction. READ MORE

6. 4. Mineralogical, chemical and textural properties of the Malmberget iron deposit : a process mineralogically characterisation

   Author : Cecilia Lund; Luleå tekniska universitet; []
   Keywords : NATURVETENSKAP; NATURAL SCIENCES; Malmgeologi; Ore Geology;

   Abstract : This thesis combine two different but closely connected disciplines in a mining process to each other, ore geology and process mineralogy by studying mineralogical-textural features of the ore and the ore concentrate in an apatite iron ore deposit in Malmberget, Sweden. Apatite iron ore deposits (Kiruna type) exist in a few places around the world and the two most important deposits are mined by LKAB at Kiruna and Malmberget. READ MORE