🌈Process Flow Diagram (PFD) A process flow diagram (PFD) is a graphical representation of a chemical engineering process that shows the primary process flow path. It does not show the minor ...

Functional flow block diagrams (FFBDs) are a traditional tool of systems engineering and remain popular in some systems engineering domains. However, their lack of formal definition makes FFBDs ...

Several diagrams and drawings are used, depending on the development or industrialization stage of a process. Among these, the process flow diagram is important: it shows the sequence of unit ...