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| Omfang
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| Opplysninger
| An increase in organic production of organic waste is expected during the next years, one of the rawmaterials expected to be used is livestock manure. A NIBIO report from 2017 outlines a futurecombination of farm / local treatment facilities and major central plants (Pettersen, et al 2017).Biogas plants can be operated in different ways. Among other things, the temperature in the treatmenttank varies. Biogas plants in Norway have around 37 ◦C in the processing tank (mesophilic proses),and approx. 55 ◦C in the processing tank (thermophilic eradication (Avfall Norge, 2010).A mesophilic process may probably affect the survival of organisms, due to temperature, toxic gases,residence time, etc. The Norwegian Food Safety Authority therefore wishes an assessment of how thismesophilic treatment can affect the survival of the harmful organisms and in particular is essential toprevent the spreading of quarantine organisms.
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