Sökning: "backfilled tailings"
Hittade 3 uppsatser innehållade orden backfilled tailings.
1. Extraction of Backfilled Tailings in the Dannemora Mine – Economic Potential and Rock Stability Assessment
Master-uppsats, Uppsala universitet/Institutionen för geovetenskaperSammanfattning : The cut-off grade determines what rock mass are economic to mine. At the Dannemora mine, in eastern Bergslagen, Sweden, previously processed ore generated tailings (enrichment sand) with an iron content of 21-22 % that was backfilled into large open bodies (stopes) in the mine between 2013-2015. LÄS MER
2. Geochemical tracing of Arsenic sources in groundwater at the remediated Storliden mine, Skellefte district
Uppsats för yrkesexamina på avancerad nivå, Luleå tekniska universitet/Institutionen för samhällsbyggnad och naturresurserSammanfattning : The Swedish mining industry has changed from the historical situation with several smaller mines to the present situation with a few, bigger mines. This results in presence of abandoned mines around Sweden. Remediation of mines is regulated by legislation and the present demands are considerably higher than it was some decades ago. LÄS MER
3. Hållfasthetsundersökning av pastafyll i Zinkgruvan
M1-uppsats, Luleå tekniska universitet/Institutionen för samhällsbyggnad och naturresurserSammanfattning : The current mining method in Zinkgruvan today is underhand stoping. With this method the ore is mined downwards in disks. When the ore is extracted the stope is backfilled with paste which contains tailings, cement and water. LÄS MER