Essays about: "Boliden Mineral AB"

Showing result 1 - 5 of 7 essays containing the words Boliden Mineral AB.

1. 1. A process mineralogy study of grinding characteristics for the polymetallic orebody, Lappberget Garpenberg

   University essay from Luleå tekniska universitet/Institutionen för samhällsbyggnad och naturresurser

   Author : Gustav Lood Stark; [2021]
   Keywords : Automated mineralogy; autogenous milling; grinding characteristics; mineral characterization; process mineralogy geometallurgy; blending strategies; energy consumption; throughput; scanning electron microscope SEM ;

   Abstract : Most of the high-grade ores have been depleted globally, thus the effective processing of the low-grade and complex ores require a comprehensive mineral characterization through the process mineralogy/ geometallurgical approaches. 30-70 % of the total energy consumption in mining comes from the comminution step in mineral processing. READ MORE

3. 2. Styles of mineralization in the Nautanen IOCG deposit

   University essay from Luleå tekniska universitet/Geovetenskap och miljöteknik

   Author : Nils Edblom; [2020]
   Keywords : Nautanen; Aitik; Gällivare; Norrbotten; IOCG; NDZ; nautanen deformation zone;

   Abstract : Nautanen is an IOCG (Iron Oxide Copper Gold) deposit located in northern Sweden, 10 km north-east of the town Gällivare in the county of Norrbotten. It was mined for copper for seven years in the early 1900´s and is presently explored by Boliden Mineral AB. The deposit sits within a package of shoshonitic andesites of the Porphyrite group. READ MORE

4. 3. Indirect methods as quality control of cemented hydraulic fill : Renström mine, Boliden mineral AB

   University essay from Luleå tekniska universitet/Institutionen för samhällsbyggnad och naturresurser

   Author : Amanda Rask; [2019]
   Keywords : Backfill; CHF;

   Abstract : The Renström mine, Boliden Mineral AB, uses, among other methods, the Transverse long hole stoping method with backfill. The mine uses a cement-stabilized hydraulic fill (CHF), which is a mixture of enrichment sand, cement and water. The most important factor in relation to strength is the water cement ratio. READ MORE

5. 4. Evaluation of Scale-up Model for Flotation with Kristineberg Ore

   University essay from Luleå tekniska universitet/Institutionen för samhällsbyggnad och naturresurser

   Author : Adam Isaksson; [2018]
   Keywords : flotation; HSC; Kristineberg; locked cycle; mass balancing; mixed cycle; open circuit; scale-up; blandkrets; flotation; HSC; Kristineberg; sluten krets; massbalansering; öppen krets; uppskalning;

   Abstract : The objectives of this project were to survey the flotation circuit of the Boliden concentrator, mass balance collected data and evaluate a scale-up model for laboratory flotation results. The model assumes that half of the recovery to cleaner middlings in a standard laboratory test would report to the final concentrate if it were done in closed circuit, as is the case in a full-scale plant. READ MORE

6. 5. Ore mineralogy and silver distribution at the Rävliden N volcanogenic massive sulphide deposit, Skellefte district, Sweden

   University essay from Luleå tekniska universitet/Institutionen för samhällsbyggnad och naturresurser

   Author : Simon Johansson; [2017]
   Keywords : Rävliden N; Boliden Mineral AB; Volcanogenic massive sulphide deposit; Ore mineralogy; Silver; Remobilisation;

   Abstract : The Rävliden North deposit (Rävliden N) is a volcanogenic massive sulphide (VMS) deposit in the western part of the Skellefte district, northern Sweden. The district is one of Sweden’s major metallogenic provinces with a significant amount of VMS deposits. READ MORE