72 uppsatser · sida 1 av 5
Effekterna av historisk gruvdrift i svensk fjällmiljö
… Fe, Cu, Pb, As, Zn and S contamination in the area surrounding the Nasa silver mine. The mine operated between 1635 and 1810 with some prospecting performed in 1889, and has become infamous for the gruesome ways that the indigenous people were treated during the early years of …
scenarier för efterbehandling och gestaltning av Aitikgruvan, Gällivare
… amounts of tailings and waste rock deposits. Due to it's content of sulphide minerals, predominantly pyrite (FeS2), there is a risk of oxidation and formation of acid water containing heavy metals, known as Acid Rock Drainage (ARD). To prevent the process of oxidation, the …
provtagning, analys och förslag till åtgärder
… with high concentrations of metal cations and sulphate ions, so called Acid Mine Drainage (AMD). This water may reach the nearest surroundings and cause negative environmental effects. By covering the waste with soil or water, the oxidation process can be minimised. At the …
Bedömning av sulfidmalmgruvan Enåsens eventuella påverkan på sjöns vattenkvalitet
Ensåsengruvan is a mine situated within Ljusdals municipality in central Sweden. Themine was in use from 1984 to 1991 and has since been undergoing a remediation program. Mine tailings from sulfide rich ore is a potential environmental hazard due to its tendency to cause acid …
införande av digital teknik i gruvor
… The actors of themining industry can be found to have a vision for the future mine, a production with ahigher degree of digitization and resemblances to a factory. With this transformationthey hope to boost productivity and efficiency, improve the working environment,and …
Abstract Falu Copper Mine and Sustainable Development Karl-Markus Ansnaes Falu copper mine was Sweden’s oldest mine industry which lasted for almost a thousand years. Throughout the history its area has been vastly contaminated by sulfur oxide. The contaminations has created the …
En undersökning av kvicksilverkoncentrationer i daterat bottensediment.
The aim of this study was to examine the current and historic mercury(Hg) load of the lake Storjuktan due to its recent exposure to a local potential source of Hg in form of the Sulphide mine Blaikengruvan(2006) and an earlier potential sources of Hg-load, the damming of the …
Analys av tre stycken ur "O Mistress mine".
Nina Fredriksson: Nils Lindbergs körmusik. Analys av tre stycken ur O Mistress mine. Uppsala: Musikvetenskap, 60 p., 2002. Uppsatsens syfte är att studera Nils Lindbergs sätt att komponera för kör. En central fråga är hur de framträdande stildragen i musiken skapar och påverkar …
… with support from Envipro Miljöteknik AB, is carrying out a main study of the minefields at Gladhammar. Mining of iron, copper and cobalt under different periods from the 16th century until the end of the 19th century has led to discharges of metals to the lakes situated …
Mine waste from Ljusnarsbergsfältet in Kopparberg, Sweden, is considered to constitute a great risk for human health and the surrounding environment. Some of the waste rock consists of sulphide minerals. When sulphide minerals come into contact with dissolved oxygen and …
Ökad förmåga till problemlösning i dagens konfliktområden
… tar även upp vilken lägsta nivå av utbildning som krävs för att kunna röja mineringar och OXA, samt hur man når upp till det målet. Uppsatsens frågeställning har varit: Går det att inom ramen för Jägarbataljon 09 utbilda en soldat som besitter kompetensen att kunna identifiera …
En deliberativ analys av deltagande i beslutsprocessen vid en gruvetablering i Storumans kommun
This thesis examines the conditions for participation in the decision making process of a possible mine establishment in Storuman municipality in the north of Sweden. This is done through a case study where the main actors are the mining company Nickel Mountain AB, the …
utifrån den militära nyttan vid en undsättningsinsats
Minor utgör ett hot mot civilbefolkningen men även personal i fredsfrämjande insatser riskerar att skadas av minorna under patruller i insatsområdet. Idag används minhunden i Försvarsmakten för att lokaliera minor i kombination med minpik och metalldetektor. Hunden har sina …
För inredning av två vertikala ventilationsschakt i Garpenbergs gruva
… Boliden, Sweden, is installing ventilation shafts of the Garpenberg mine. For such work a platform is needed which you can stand on and work from. The Shaft Reinforcement Team at Bergteamet performs the installation work and is the sponsor of the platform. The project described …
… Soil samples were collected from three different locations, the Nasa silver mine, the Blaiken-mine and Svalget environmental station. The samples were oven dried and later on sieved into six different fractions 8mm, 4 mm, 0.5 mm, 0.250mm, 0.063 mm and <0.063 mm. The fractions 4 …
