The Interreg Baltic co-funded CiNURGi project has developed a spreadsheet model for evaluation of the direct impacts of bio-based fertiliser (BBF) production value chains on climate, environment and economy. The model considers activities that strictly relate to the i) collection of organic wastes, ii) processing of it into BBFs (fully or partly biobased) and iii) distribution of the fertiliser products with the recycled nutrients, nitrogen (N) and phosphorus (P), to the location where it will be used for crop fertilisation. The idea of the model is that only processes with a primary nutrient recycling function should be assessed; larger facility operations, such as energy generation or unrelated waste treatment, are excluded. For example, in biogas plants, only the digestate treatment steps aimed at BBF production are included within the SOUP boundary, while energy generation and unrelated waste handling processes are omitted. The model is referred to as a a Single Operation Unit Process (SOUP) model. The SOUP model-based evaluation is thus assuming that the influent nutrient-rich organic wastes have alternative use, and the result of the evaluation reveals the performance of the BBF value chain in relation to a baseline.
Go to the BBF evaluation tool.