The design and deployment of biotechnological processes at the industrial level present many common points with the chemical engineering industry. In particular, the tools and methods used in chemical process engineering may advantageously be applied to evaluate and optimize biotechnological processes, and conversely, biotechnologies can be integrated in conventional industries to extend their range of action. In this chapter, we describe how a cross-disciplinary approach can transpose (after adaptation) relevant solutions from one sector to solve similar problems identified in another sector and improve its performance.