The themes of energy and food have always been closely linked: food is a primary need, ma, to be produced, it in turn needs energy. In the current world situation, it becomes essential to produce both food, is energy, in a sustainable way.
The recovery of waste has long been in the attention of the agro-industrial world, but it is increasingly important to do it in the most efficient way, that is, taking into account the scale of priorities, defined in the European objectives for the circular economy, which sees the energy enhancement place one step below, for example, of the recovery of materials. in the case of food waste or residues, their recovery within the same supply chain, for animal feed or other zootechnical destinations, to a higher hierarchical position with respect to energy production.