Flowsheeting What is a flowsheeet Importance of flowsheet

Flowsheeting: ØWhat is a flowsheeet ØImportance of flowsheet ØPresentation of flowsheets ØTypes of PFD

Flowsheeting: (the 1 st step in process design) §Special language conveying information. §It's a diagrammatic model of the process The Flowsheet Importance. ØShows the arrangement of the equipment selected to carry out the process. ØShows the streams concentrations, flow rates & compositions. ØShows the operating conditions. ØUsed by operating personnel for the preparation of operating manual and operator training.

Flowsheet Presentation: Two forms for presentation A. Block diagram B. Pictorial Flow Sheet A- Block diagram When is it used? (process proposal for packaged steps) Block diagram.

B-Pictorial Flow Sheet Types of pictorial flowsheets: 1 - Process flow diagram [PFD] PFD Qualitative PFD Combined PFD

[Qualitative flow diagram for the manufacture of nitric acid by the ammonia-oxidation process].

PFD [Combined flow diagram for the manufacture of nitric acid by the ammonia-oxidation process]

2 -Process and Instrumentation Diagram (P & ID) (mechanical flow diagram) Process and Instrument Diagram (P&ID)

2 -Piping and Instrumentation Diagram (P & ID) (mechanical flow diagram) Engineering P&I [piping and instrumentation]flow-sheet of the reaction section of plant for de-alkylation of benzene

3 -Utility Flow-sheet (Process Engineering Utility Flow Diagram (PEUFD))

Flow-sheet symbols

Flow-sheet symbols contd.

Line symbols