After a screening at Boehringer Ingelheim, it has been found that there are several discarded materials in their waste streams that can be used instead of being sent to incineration.
The discarded materials that were previously considered waste have the potential to be recycled and used as a substrate in biogas production as they contain organic ingredients including grains, root crops, tubers, sugar, etc. These organic ingredients can be efficiently and sustainably recycled by converting them into biogas, a valuable energy source, as well as fertilizer. In this context, Boehringer Ingelheim has entered into an agreement with Kalundborg Bioenergi, a biogas producer, to supply their residual fractions for use in biogas production.
The bagged residues require an extra handling step where the bags need to be emptied before the residues can be transported to the biogas plant. A challenge for Boehringer Ingelheim is to ensure an efficient and reliable emptying process as well as convenient and safe transportation of the residues. To solve this challenge and at the same time create a social economic impact, they are considering involving social economy companies in the emptying process and using big bags as a practical and safe method to transport the emptied residues to the biogas plant.
Furthermore, a residue has been identified that cannot be used by other partners in the Symbiosis. In order to maximize resource utilization and minimize waste, Boehringer Ingelheim has decided to investigate a solution where these residual fractions can be recycled internally in their own production.
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