Essays about: "water quality in a mine"

Showing result 1 - 5 of 21 essays containing the words water quality in a mine.

  1. 1. Groundwater flooding in a Moldovan limestone mine : An investigation into the limestone aquifer in Chisinau andsustainable solutions to mine dewatering

    University essay from KTH/Hållbar utveckling, miljövetenskap och teknik

    Author : Erik Tobin; [2022]
    Keywords : groundwater; hydrogeology; limestone; mine; Moldova; Chisinau; grundvatten; hydrogeologi; kalksten; gruva; Moldavien; Chisinau;

    Abstract : This work aimed to investigate the groundwater situation in and around Mina din Chisinau, an underground limestone mine in Chisinau, Moldova, in order to contribute to a sustainable solution to its flooding problem. Work on-site was done including visits inside the mine, to points of hydrogeological relevance to the mine, well inventories/search, and an attempt at an infiltration test. READ MORE

  3. 2. Geochemical tracing of Arsenic sources in groundwater at the remediated Storliden mine, Skellefte district

    University essay from Luleå tekniska universitet/Institutionen för samhällsbyggnad och naturresurser

    Author : Matilda Edvardsson; [2021]
    Keywords : Arsenic; groundwater; Sulfide oxidation; Arsenopyrite; Storliden; remediation; Arsenik; grundvatten; sulfidoxidation; Arsenikkis; Storliden; efterbehandling;

    Abstract : The Swedish mining industry has changed from the historical situation with several smaller mines to the present situation with a few, bigger mines. This results in presence of abandoned mines around Sweden. Remediation of mines is regulated by legislation and the present demands are considerably higher than it was some decades ago. READ MORE

  4. 3. Automatic Test Machine for Rebreather : Breathing patterns simulations of dosage regulators at depths down to 120m in water

    University essay from KTH/Industriell produktion

    Author : Carl Bühlmann; [2020]
    Keywords : ;

    Abstract : Product performance and quality assurance are two critical steps in competitive product development. Especially important when developing life enabling products such as breathing equipment for smoke- and water diving as the company Interspiro. READ MORE

  5. 4. Indirect methods as quality control of cemented hydraulic fill : Renström mine, Boliden mineral AB

    University essay from Luleå tekniska universitet/Institutionen för samhällsbyggnad och naturresurser

    Author : Amanda Rask; [2019]
    Keywords : Backfill; CHF;

    Abstract : The Renström mine, Boliden Mineral AB, uses, among other methods, the Transverse long hole stoping method with backfill. The mine uses a cement-stabilized hydraulic fill (CHF), which is a mixture of enrichment sand, cement and water. The most important factor in relation to strength is the water cement ratio. READ MORE

  6. 5. An Innovative In-Tunnel Seismic Study for Sustainably Extracting Apatite Ore at the Siilinjärvi Mine, Eastern Finland

    University essay from Uppsala universitet/Institutionen för geovetenskaper

    Author : Anna Donczew; [2019]
    Keywords : in-tunnel seismic; reflection seismic; traveltime tomography; carbonatites; shear zones; Siilinjärvi; tunnelseismik; reflektionsseismik; restidstomografi; karbonatiter; skjuvzoner; Siilinjärvi;

    Abstract : Siilinjärvi located in eastern Finland is presently the only phosphate mine with significant phosphorus production in western Europe. Phosphate rock and phosphorus are known as a critical raw material for the European Union due to their economic importance and being prone to the supply risks. READ MORE