The browser you are using is not supported by this website. All versions of Internet Explorer are no longer supported, either by us or Microsoft (read more here: https://www.microsoft.com/en-us/microsoft-365/windows/end-of-ie-support).

Please use a modern browser to fully experience our website, such as the newest versions of Edge, Chrome, Firefox or Safari etc.

Föroreningsspridning från kustnära deponi : applicering av Landsim 2.5 för modellering av lakvattentransport till Östersjön

På svenska

Author

  • Henrik Kempengren

Summary, in English

Adjacent to Ystad Reningsverk, just west of the central parts of Ystad, there is a landfill whose origin has been traced back to the early 1960´s. The total area of the landfill is assumed to be around 11 250 sq. m and in the south the landfill it is limited by the presence of the Baltic Sea. During previous investigation and surveying within the landfill, a large amount of municipal solid waste (MSW) was found stretching all the way down to the shoreline where the process of erosion is taking place. According to analysis from an accredited laboratory, the MSW contains high concentrations of several pollutants, which in several cases exceeds the concentration of hazardous waste according to Naturvårdsverket. The aim of this bachelor thesis is to model the transport of leachates from the near coastal landfill to the Baltic Sea based on several data provided by ÅF Infrastructure AB. In processing of all the data that has been collected during earlier investigation, ProUCL 5.1 (Upper Confidence Limit) was used. Furthermore, groundwater sampling is carried out with the purpose of analyzing several physical and chemical parameters within the landfill. Apart from this, Landsim 2.5 (Landfill Performance Simulation) is being applied to simulate and calculate the transport of pollutants from the landfill to the Baltic Sea. The aim of this is to be able to decide how long it takes before the pollutants reach the Baltic Sea, as well as determining how the leachates concentration and the loading of pollutants to the Baltic Sea changes over time. In addition to this, rising sea levels are also addressed, focusing mainly on how this might affect future leachate transportation and its impact on the Baltic Sea. The results derived from Landsim shows that each pollutant present in the landfill reaches the Baltic Sea within 13-18 years, furthermore, after 141-190 years each pollutant exceeds the limit for drinking water standards according to Livsmedelsverket. Up until this point the leachate concentration is quite low, but after this point it starts to increase rapidly, which in turn results in an increased loading in the Baltic Sea. Since the landfill originates from the 1960´s, this means that the results derived from Landsim needs to be fast-forward by 60 years. By taking this in to account, the first leachates that reached the Baltic Sea managed to do so 45 years ago. However, as time goes by the leachate will not be the main cause of concern, instead the long-term consequences of a rise in sea level will generate an increasing amount of erosion along the landfill. Thus, an increasing amount of MSW, containing elevated levels of dangerous pollutants, will erode out in to the Baltic Sea without any form of dilution. As time goes by, this might potentially cause acute toxicity within the proximity of the landfill.

Publishing year

2017

Language

Swedish

Publication/Series

Examensarbeten i geologi vid Lunds universitet

Document type

Student publication for Bachelor's degree

Topic

  • Earth and Environmental Sciences

Keywords

  • deponi
  • Landsim
  • föroreningsspridning
  • Östersjön
  • ÅF Infrastructure AB

Report number

507

Supervisor

  • Jon Warnhag (ÅF Infrastructure AB)
  • Håkan Rosqvist

Scientific presentation