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Hittade 2 uppsatser som matchar ovanstående sökkriterier.

  1. 1. Per- and Polyfluoroalkyl Substance (PFAS) Emissions from Recycling Processes of Lithium-Ion Batteries

    Uppsats för yrkesexamina på avancerad nivå, Uppsala universitet/Strukturkemi

    Författare :Amanda Rensmo; [2022]
    Nyckelord :lithium-ion; battery; PFAS; recycling; LIB recycling; ion chromatography; hydrometallurgy; thermal processes; persistent;

    Sammanfattning : The lithium-ion battery (LIB) recycling industry is currently under development to improve the yields for critical metals. However, the organic components of LIBs must also be handled, which may result in harmful chemical emissions as by-products. LÄS MER

  2. 2. Minimering av ditionitdoseringen i linje 12 : Optimering av kemikalieanvändning för pappersblekning på Hallsta pappersbruk

    Kandidat-uppsats, Uppsala universitet/Institutionen för kemi - Ångström

    Författare :Matilda Borg; Agnes Axbrink; Amanda Rensmo; Julia Sundmark; Alexandra Ulander; [2020]
    Nyckelord :papper; blekning; ditionit;

    Sammanfattning : Manufacturing of paper is a large industry in Sweden. At Hallsta paper mill dithionite is used to bleach the thermo mechanical pulp (TMP) at their production line 12. The purpose of this work was to minimize the addition of dithionite while maintaining the brightness of the produced paper. LÄS MER