Lecture 15 - Energy Resources part 1

Lecture 15 - Energy Resources part 1 - Waste from mines:...

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Unformatted text preview: Waste from mines: 40% of mining area for waste disposal, mining waste 40% of all solid wastes Special mining, e.g., chemical leaching from gold mining Mining acid drainage, during mining and post- mining Impact of Mining Waste Leadville Mine Drainage Tunnel Risk Assessment Findings Show Residents Are Safe http://www.usbr.gov/gp/ecao/leadville/leadville.cfm Environmental regulations: Forbid bad mining practices, Clean Air Act, and on- and offsite treatment of wastes Land reclamation: About 50% of land used in mining industry reclaimed Use of new biotechnology in mining: Bio- oxidation, bioleaching, biosorption, genetic engineering Knowledge and technology transfer: developed countries to developing countries Minimizing the Impact of Mining Figure 14.14 Minimizing the Impact of Mining Saves energy, money, land, raw mineral resources from more mining Requires use of land for disposal Mining waste is toxic and dangerous Aesthetically undesirable...
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Lecture 15 - Energy Resources part 1 - Waste from mines:...

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