Page 25 - Coulson Richardson's Chemical Engineering Vol.6 Chemical Engineering Design 4th Edition
P. 25

8
                                                       CHEMICAL ENGINEERING
                                                           Project specification
                                                         Initial evaluation.
                                                         Process selection.
                                                         Preliminary flow diagrams.
                                                        Material and energy balances.
                                                        Preliminary equipment selection
                                                        and design.
                                                        Process flow-sheeting.
                                                        Preliminary cost estimation.
                                                        Authorisation of funds.




                                                                    Detailed process design.
                                                                    Flow-sheets.
                                      Piping and instrument design  Chemical engineering equipment
                                                                    design and specifications.
                                                                    Reactors, Unit operations, Heat exchangers,
                                                                    Miscellaneous equipment.
                                                                    Materials selection.
                                                                    Process manuals


                             Instrument selection  Pumps and compressors.  Vessel design  Heat exchanger design  Utilities and other services.
                             and specification  Selection and specification         Design and specification






                             Electrical,  Piping design  Structural design  Plant layout  General civil work.  Buildings.
                             Motors, switch gear,                       Foundations, drains,  Offices, laboratories,
                             substations, etc.                          roads, etc.    control rooms, etc.


                                                         Project cost estimation.
                                                         Capital authorisation

                                                         Purchasing/procurement  Raw material specification.
                                                                            (contracts)
                                                            Construction

                                                             Start-up       Operating manuals

                                                             Operation

                                                              Sales
                                            Figure 1.4.  The structure of a chemical engineering project
   20   21   22   23   24   25   26   27   28   29   30