Essays about: "distribution of heavy metals"

Showing result 6 - 10 of 15 essays containing the words distribution of heavy metals.

  1. 6. An evaluation of the treatment performance of a ten year old stormwater biofilter in Sweden

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

    Author : Sara Eklund; [2020]
    Keywords : Biofilter; Water Quality; heavy Metals; Nutrients; Stormwater Treatment; Sweden; Tyresö; Biofilter; Vattenkvalitet; Tungmetaller; Näringsämnen; Dagvattenrening; Sverige; Tyresö;

    Abstract : Urban runoff may be contaminated with, for example, metals, nutrients and sediment. Generally, such runoff enters waterways and oceans without any type of treatment. Bioretention systems can be used to protect the aquatic environment since one of their main objectives is to remove pollutants from stormwater. 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. Arsenic and other heavy metals in hydropower plants : An assessment of occupational risk hazards at Fortum’s underground hydropower plants in Sweden

    University essay from KTH/Hållbar utveckling, miljövetenskap och teknik

    Author : Angeliki Filippou; [2019]
    Keywords : ;

    Abstract : Arsenic (As) is a metalloid that occurs naturally in the Earth’s crust, in bedrock and soil. The concentrations that Arsenic can be found are normally between 1-3 ppm. READ MORE

  5. 9. Kvicksilver, kadmium och zink i avfall som förbränns i Kiruna kraftvärmeverk

    University essay from SLU/Dept. of Soil and Environment

    Author : Elin Andersson; [2016]
    Keywords : tungmetaller; avfallsförbränning; hushållsavfall; avfallsanläggning; värmeverk;

    Abstract : Kiruna Kraft AB is the responsible operator of the Kiruna power and heating plant and the Kiruna waste disposal plant. The company is responsible for the production and distribution of heating and electricity in Kiruna and for heat from the heating plant in Vittangi. In addition, the company takes care of household waste from municipality citizens. READ MORE

  6. 10. A combination of temperature and urea sanitization of blackwater : optimization of a full scale system in Hölö, Sweden

    University essay from SLU/Dept. of Energy and Technology

    Author : Dorothee Göttert; [2016]
    Keywords : ammonia; Ascaris; blackwater; enterococci; f-RNA; bacteriophage; low temperature; Salmonella; somatic coliphage; thermo tolerant coliform bacteria E. coli; urea;

    Abstract : There are an abundance of environmental problems in the world today, some of which can be traced back to a lack of proper sewage treatment. Human toilet waste, also called blackwater, is discharged untreated into the environment where it can contaminate water bodies, including drinking water sources. READ MORE