Essays about: "tailings dam"

Showing result 11 - 13 of 13 essays containing the words tailings dam.

  1. 11. Seepage, stability and pollution transport of an upstream tailing dam with COMSOL.

    University essay from KTH/Mark- och vattenteknik

    Author : Valentina Gonzales; Henrietta Åberg; [2013]
    Keywords : Tailing dam; Unsaturated soil; Seepage; Stability; Pollutant; COMSOL;

    Abstract : In the early years of the 20th century the first tailing dams were constructed, the upstream tailing dam being the first type. Before this the tailings were disposed in the nearest stream or river. This caused legal issues between farmers and the mining companies, which ended the random discharge of the tailings. READ MORE

  3. 12. Evaluation of Heavy Metals in Waters Influenced by Mining in the Poopó and Antequera River Basins, Oruro – Bolivia

    University essay from Lunds universitet/Avdelningen för Teknisk vattenresurslära

    Author : Malin Rosenberg; Kristofer Stålhammar; [2010]
    Keywords : thermal spring; surface water; groundwater; mining; heavy metals; Antequera River; Lake Poopó; Poopó River; arsenic; Technology and Engineering; Earth and Environmental Sciences;

    Abstract : A study of heavy metals in surface and groundwater was conducted in Poopó and Antequera River basins in Bolivia. Problems with high levels of heavy metals in waters on the Bolivian high plateau have been known for many years and are to a great extent the cause of the mining industry in the region. READ MORE

  4. 13. Diversion of water from a tailings dam : Spillway arrangement and spillway channel designed to be maintenance free for 1000 years

    University essay from KTH/Vattendragsteknik

    Author : Alba Llorens del Pino; [2007]
    Keywords : Spillway; erosion; filters; long-term stability; vegetation covers; Aliviadero; erosión; filtros; estabilidad a largo plazo; cobertura vegetal;

    Abstract : An elaboration on how to construct a spillway for closure for a large tailings pond completely enclosed by embankments, leading to a situation where construction in bedrock is not possible is presented with the following conclusion. A stepped spillway arrangement constructed with granite blocks will require of large blocks for being stable, and will require of filters that are not always considered functional in long-term perspective. READ MORE