Sökning: "polishing pond"

Hittade 2 uppsatser innehållade orden polishing pond.

  1. 1. Investigation of unknown groundwater flows to two leachate ponds at Hovgården

    Uppsats för yrkesexamina på avancerad nivå, Uppsala universitet/Institutionen för geovetenskaper

    Författare :Katja Nordström; [2023]
    Nyckelord :landfill; leachate; principle component analysis; PCA; polishing pond;

    Sammanfattning : The leaching of groundwater into two polishing ponds, the last step in the wastewater treatment process on Hovgarden waste facility, was examined. The focus of this study was to analyse the PFAS composition profile (fingerprint) to trace the leaching groundwater. LÄS MER

  2. 2. Fosforsläpp och vigg i polerdamm vid Västra strandens avloppsreningsverk i Halmstad

    Kandidat-uppsats, Högskolan i Halmstad/Akademin för ekonomi, teknik och naturvetenskap

    Författare :Ulf Hansson; [2017]
    Nyckelord :Tufted Duck; bioturbation; phosphor release; treatment plant; polishing pond; vigg; fosforsläpp; reningsverk; polerdamm; sediment; resuspension;

    Sammanfattning : During the winters in recent years Laholmsbuktens VA's treatment plant in Halmstad has recorded unexcepted levels of phosphorus from the polishing pond. Only between 8 and 20 January 2016 samples indicates a realese of net 75 kg. In winter the pond temperature never goes below about 8oC, which attracts wintering waterfowl. LÄS MER