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Concept development of granular traps : A study to reduce the spread of microplastics from artificial turf
Summary
This Swedish engineering thesis developed a concept for granular traps to prevent microplastics from artificial turf sports fields from spreading to surrounding environments via stormwater runoff. Tire crumb rubber and artificial turf infill are major sources of microplastic pollution in urban waterways.
Denna rapport dokumenterar examensarbetet som genomfördes av Josefin Jansson för högskoleingenjörsexamen inom innovationsteknik och design på Karlstads universitet. Examensarbetet gjordes på uppdrag av Säffle kommun där målet var att ta fram en konceptlösning för att minska spridning av mikroplaster i form av granulat från den lokala konstgräsplanen. En av de största spridningskällorna av mikroplast är konstgräsplaner. För att en konstgräsplan ska få önskade spelegenskaper fylls de på med fyllnadsmaterial i form av granulat. Granulatet sprids sedan genom bland annat plogning, arbetsmaskiner och spelare för att till sist hamna i våra hav. Arbetet utgick ifrån produktutvecklingsprocessen med ett iterativt arbetssätt. Projektet har följande ingående faser; Projektplanering, förstudie, idé- och konceptframtagning, konceptval och uppföljning. För att ta fram ett koncept användes idégenereringsmetoderna 6-3-5 och brainstorming. Sedan görs konceptval genom att ställa framtagna koncept mot produktspecifikation samt Pughs matris. Resultatet blev en sluss som spelarna passerar när de lämnar planen. I slussen ges möjlighet att borsta bort de granulat som fastnat på deras kläder och skor. Men efter konceptval av delproblem till slussen ges rekommendationer på hur slussen bör uppdateras. Efter analys rekommenderas konceptet att bara användas tillfälligt. Samt rekommendationer för vidare arbete.
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