Essays about: "boliden"

Showing result 1 - 5 of 65 essays containing the word boliden.

1. 1. Investigating the effect of grinding method on ore beneficiation behaviour

   University essay from Luleå tekniska universitet/Mineralteknik och metallurgi

   Author : Mellisa Tanaka Mundida; [2023]
   Keywords : flotation; grinding; liberation; chalcopyrite; beneficiation; grinding method; selectivity index; VRM; Aitik ore; rodmill; particle shape;

   Abstract : Commodity projection studies anticipate an exponential increase in copper demand and decreasein mill grade of deposits currently exploited globally. Most of this demand is driven by theindispensable use of copper in electrification and currently, the growing demand in the contextof the green transition. READ MORE

3. 2. Increasing ecosystem services at an industrial area : A study applied to Rönnskärsverken

   University essay from KTH/Hållbar utveckling, miljövetenskap och teknik

   Author : Lisa Larsson; Petra Ljunggren; [2023]
   Keywords : Green areas; Biodiversity; Environmental regulation; Nature Based Solutions; Stormwater management;

   Abstract : What are ecosystem services, what are the possibilities to use them as a solution to remediate environmental problems, and how can they be increased in an industrial area such as Rönnskärsverken? The aim of this master thesis was to investigate the potential and the incentive for increasing ecosystem services in Rönnskärsverken’s industrial area through green areas and nature based stormwater management solutions on the site.  Ecosystem services is a concept that was put on the political agenda in the UN in 2005 in order to create a common definition and valuation to raise awareness of the values that nature provides to human beings. READ MORE

4. 3. Identification and strength classification of weakness zones in the Garpenberg mine based on measurement while drilling (MWD)

   University essay from Luleå tekniska universitet/Geoteknologi

   Author : Ioannis Peroulakis; [2022]
   Keywords : Drilling; MWD; Garpenberg; Mining; Geotechnics;

   Abstract : Boliden’s Garpenberg mine produces Zn-Pb-Ag(Cu-Au) using a sublevel stoping with pastefill mining method. The orebody is strongly affected by the existence of weakness zones mainly consisting of Talc Schist and Phlogopite Schist which affect the design, planning and production of the stope. READ MORE

5. 4. Diffuse dust at Boliden Bergsöe investigated through X-ray Fluorescence Spectroscopy

   University essay from Lunds universitet/Ergonomi och aerosolteknologi

   Author : Linnea Savér; Marcus Norlin; [2022]
   Keywords : Multi-metals monitoring; On-line monitoring; Aerosols; Diffuse dust; Environmental management; Secondary lead smelting; Technology and Engineering;

   Abstract : Boliden Bergsöe operates a secondary lead smelter for recycling of lead-acid batteries, located in the industrial area of Landskrona. Measurements to monitor levels of airborne particles have been conducted in several locations in Landskrona since 1977. READ MORE

6. 5. Comparison of Level Control Strategies for a Flotation Series in the Mining Industry

   University essay from Lunds universitet/Institutionen för reglerteknik

   Author : Frida Norlund; [2022]
   Keywords : Technology and Engineering;

   Abstract : Separating valuable minerals from waste rock is an important step in the production of metals. This is for copper ore done through a process called flotation. A flotation series consists of tank cells in series where the minerals are collected in a froth on top of the cells. READ MORE