Authors: Nicolas Estoppey a, Gabriela Castro b c, Gøril Aasen Slinde a, Caroline Berge Hansen a, Mari Engvig Løseth a, Katinka Muri Krahn d, Viona Demmer a, Jørgen Svenni a e, Teresa-Van-Anh Thi Tran a e, Alexandros G. Asimakopoulos b, Hans Peter H. Arp a b, Gerard Cornelissen a f

Bio-based fertilizers (BBFs) produced from organic waste have the potential to reduce societal dependence on limited and energy-intensive mineral fertilizers, thus contributing to a circular economy. However, BBFs can contain plastic fragments and hazardous additives such as phthalate plasticizers, which could constitute a risk for agricultural soils and the environment. The study this scientific publication stems from assessed the exposure associated with plastic and phthalates in BBFs from three types of organic wastes: agricultural and food industry waste (AgriFoodInduWaste), sewage sludge (SewSludge), and biowaste (eg. garden, park, food and kitchen waste). The wastes were associated with various treatments like drying, anaerobic digestion, and vermicomposting. 

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