Sökning: "Ulrika Welander"
Hittade 3 avhandlingar innehållade orden Ulrika Welander.
1. Characterization and treatment of municipal landfill leachates
Sammanfattning : Abstract The efficiency of different leachate treatment methods for the removal of refractory organic compounds and ammonium-nitrogen was investigated. The methods evaluated were nitrification, denitrification, adsorption onto activated carbon, precipitation by ferric chloride or aluminum sulphate and oxidation by ozone or Fenton´s reagent. LÄS MER
2. Microbial treatment of textile wastewater applicable in developing countries
Sammanfattning : .... LÄS MER
3. Change of toxicity during secondary treatment of industrial sludge containing nitroaromatics
Sammanfattning : Wastewater treatment plants in Sweden are facing a great challenge due to the prohibition of depositing organic waste which gained legal force in January 2005. Biological and commercial available alternatives to disposal are composting and anaerobic digestion. LÄS MER