Idén till innovationen Solvatten föddes när Petra Wadström bodde i Australien med sin familj i slutet av 1990-talet. Då slogs hon av intensiteten i all den solenergi som träffade markytan utan att den togs till vara.
Hennes innovation räddar liv med rent dricksvatten – nu får hon KTH:s stora pris
Designern, konstnären och uppfinnaren Petra Wadström tilldelas KTH:s stora pris för sin innovation Solvatten, som räddar liv världen över genom att ge fler tillgång till rent vatten.
– Målet är att ge alla tillgång till rent, varm vatten, helt utan att använda fossila bränslen, säger hon.

Designern, uppfinnaren och konstnären Petra Wadström får KTH:s stora pris. Foto: Mikael Sjöberg.
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Så småningom utvecklade hon idén för att maximera effekten av solens UVB-strålning och värme. Idag används tekniken i över 20 länder och förbättrar livet för över en halv miljon människor i utsatta områden.
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


