Sökning: "mine water treatment"
Visar resultat 1 - 5 av 14 avhandlingar innehållade orden mine water treatment.
Sammanfattning : Mozambique is one of the largest coal producers in Africa. Extraction of the coal is carried out in the Moatize district of the Tete province in the center of the country. A surface mining technique is used to extract the coal below ground level. LÄS MER
- Detta är en avhandling från Department of Water Resources Engineering, Lund Institute of Technology, Lund University
Sammanfattning : Drainage of peatlands increases the transport of suspended solids (SS) and the leaching of nutrients to downstream receiving waters. Increased settling of peat and eutrophication of lakes has been noted in many studies downstream from peat mines. LÄS MER
- Detta är en avhandling från Linköping : Linköping University Electronic Press
Sammanfattning : In many mining regions of the world, pollution of surface water and groundwater by drainage water originating from mines aiming waste poses either a serious threat to the environment, or a severe environmental problem. During the last two and a half decades, treatment of mine drainage water in constructed and natural wetlands has emerged as an alternative to more conventional methods to handle the problem. LÄS MER
- Detta är en avhandling från Örebro : Örebro universitet
Sammanfattning : 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. LÄS MER
5. Reclamation of acid-generating waste rock by in-pit backfilling and sealing An evaluation of the Kimheden mine site, northern SwedenDetta är en avhandling från Luleå tekniska universitet
Sammanfattning : The notion of mine site reclamation is very recent compared to the history of mining. In thepast, mine sites were left as is following termination of the operations, but modern regulationsrequire anticipation of long-term contamination of the surrounding environment and return ofthe land to a sustainable use. LÄS MER