Essays about: "Tailings pond"

Showing result 1 - 5 of 8 essays containing the words Tailings pond.

  1. 1. SURVEY OF SULPHATE-BEARING MINERALS IN LKAB'S TAILING POND

    University essay from Luleå tekniska universitet/Geovetenskap och miljöteknik

    Author : CELESTINE IFEANYI UGWUOKE; [2023]
    Keywords : Tailings; Sequential extraction; Mineralogy; Sulphate;

    Abstract : This research project investigated the high concentration of sulphate in a tailing pond at LKAB and the characteristics and behavior of sulphate minerals in different areas of the pond. The sampling of the tailings was carried out at Nine stationary sampling points. READ MORE

  3. 2. Distribution and mobilization of heavy metals at an acid mine drainage-affected region, South China

    University essay from Linköpings universitet/Tema Miljöförändring

    Author : Chen Luo; [2020]
    Keywords : acid mine drainage; arsenic; cadmium; geochemical modeling; heavy metals; lead; principal component analysis;

    Abstract : Dabaoshan Mine Site (DMS) is the biggest polymetallic mine in South China. The Hengshi River receives acid mine drain (AMD) waste leaching from the tailings pond and run-off from the treatment plant which flows into the Wengjiang River, Beijiang River, before discharging into the Pearl River. READ MORE

  4. 3. Survey of sulphates in process water of LKAB - Kiruna operation

    University essay from Luleå tekniska universitet/Industriell miljö- och processteknik; Luleå tekniska universitet/Mineralteknik och metallurgi

    Author : Ebba Videll; [2019]
    Keywords : Sulphate; iron ore mine; process water; anhydrite; laboratory grinding; equilibrium calculations; mass balance;

    Abstract : Sulphate-rich wastewater is an increasing concern for industries as LKAB. The water chemistry of the LKAB Kiruna water system is characterized by high alkalinity, high pH (pH 7.5-9.0) and high concentrations of chemical species and soluble minerals. READ MORE

  5. 4. Seepage, Solute transport and Strain-stress Analysis of Ashele Tailings Dams

    University essay from Uppsala universitet/Elektricitetslära

    Author : Marcus Holmqvist; Marcus Gunnteg; [2014]
    Keywords : Tailings dams; seepage; gruvdammar; genomströmning;

    Abstract : This master thesis has been conducted through cooperation between Elforsk, Uppsala University and Tsinghua University in Beijing. Ashele Tailings Dam, located in Haba Town, Xianjing Province, China, is designed and used for high sulphur tailings. READ MORE

  6. 5. The effect of different carbon sources on reduction of nitrate in effluent from the mining industry : Olika kolkällors inverkan på reduktion av nitrat i processvatten från gruvindustrin

    University essay from

    Author : Hanna Lindberg; [2014]
    Keywords : Denitrification; mine effluent; nitrogen; external carbon; sediment;

    Abstract : Mine water effluent contains high levels of nitrogen due to residues from undetonated ammonium- nitrate based explosives. Excess nitrogen in aquatic ecosystems can cause eutrophication. READ MORE