Fungi can be harnessed to clean polluted soil which cannot be cleaned using traditional composting. This was the finding of Erica Winquist, M.Sc. (Tech.), in her dissertation for Aalto University.
Soil that has been polluted by organic pollutants such as oils can be treated by composting. However it is not effective against many other organic pollutants such as polyaromatic hydrocarbons and dioxins. Soil polluted with other organic pollutants than oil accounts for as much as 45 % of excavated contaminated soil. The compounds are found in areas where sawing is carried out and in areas where there is distribution of fuels, waste treatment and various kinds of industry, explains researcher Erika Winquist.
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