Essays about: "heavy minerals"

Showing result 6 - 10 of 20 essays containing the words heavy minerals.

  1. 6. A study of wear and load behaviour on bucket teeth for heavy-duty cable shovels

    University essay from Luleå tekniska universitet/Institutionen för teknikvetenskap och matematik

    Author : Jamal Choudhry; [2020]
    Keywords : DEM; FEM; bucket; teeth; cable shovel; wear; Archard s law; LS-DYNA; scan;

    Abstract : Many of today’s engineering advancements rely on minerals such as copper, gold and iron. For this reason, the mining industry plays an important role for the development of society and technological wonders. Mining excavators are commonly used tools for extracting the minerals from the mine. READ MORE

  3. 7. 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. 8. Powertrain of heavy electric vehicles: : Analysis of the production chain and impact on environment and industry

    University essay from KTH/Energiteknik

    Author : Svenja Gelpke; [2018]
    Keywords : ;

    Abstract : Elektrifiering av bilar och mindre transportfordon pågår och flottaaktier ökar men diskussionen om elektrifiering av långdistanstransport är relativt ny. Elektriska lastbilar som använder fossila bränslen och som produceras med förnybara energikällor är lovande, särskilt i länder med en ren elmix. READ MORE

  5. 9. Stratigraphy and pyrite geochemistry of the Lower–Upper Ordovician in the Lerhamn and Fågelsång-3 drill cores, Scania, Sweden

    University essay from Lunds universitet/Geologiska institutionen

    Author : Fisnik Balija; [2018]
    Keywords : Ordovician; shale; drill cores; arsenic; pyrite; heavy metals; Lerhamn; Fågelsång; Scania; Sweden.; Earth and Environmental Sciences;

    Abstract : Arsenik är ett mycket giftigt ämne som finns i berg, mark och grundvatten, och är känt för att orsaka allvarliga hälsoeffekter. Neurologiska skador hos människan inträffar vid koncentrationer så låga som 100 μg/L, medan 1–3 mg/kg kroppsvikt As är en dödlig dos. READ MORE

  6. 10. Development of New Lifting Equipment for VPA Plates

    University essay from Uppsala universitet/Industriell teknik

    Author : Bolormaa Batchuluun; [2016]
    Keywords : VPA; membrane and filter plate; lifting equipment; pivot; safety;

    Abstract : This thesis explores how to develop new lifting equipment for the membrane and filter plates of the VPA (Metso) machine satisfying all the safety requirements. The VPA is a heavy duty machine with a number of plates, developed for filtration of minerals. READ MORE