Page 43 - Separation process principles 2
P. 43

Table 1.1  (Continued)
                                                                     Initial            Created
               Separation                                            or Feed           or Added             Separating                      Industrial
               Operation                        Symbola              Phase               Phase               Agent(s)                      ~xam~le~
               Refluxed stripping                                                      Vapor and        Stripping vapor (MSA)        Separation of products
                 (steam distillation)* (8)                                               liquid           and heat transfer            from delayed coking
                                                                                                          (ESA)                        (Vol. 17, pp. 210-215)



               Reboiled stripping* (9)                             Liquid              Vapor            Heat transfer (ESA)          Recovery of amine absorbent
                                                                                                                                       (Vol. 17, pp. 229-232)




               Azeotropic distillation* (10)                       Vapor and/or        Vapor and        Liquid entrainer (MSA)       Separation of acetic acid
                                             Recycle
                                                                    liquid               liquid           and heat transfer            from water using n-butyl
                                                                                                          (ESA)                        acetate as an entrainer to
                                                     MSA                                                                               form an azeotrope with water
                                                                                                                                       (Vol. 3, pp. 365-368)
              Liquid-liquid  extraction* (1 1)                     Liquid              Liquid           Liquid solvent (MSA)         Recovery of aromatics
                                                                                                                                       (Vol. 9, pp. 707-709)





                                                 LO
              Liquid-liquid  extraction                            Liquid              Liquid           Two liquid solvents          Use of propane and cresylic
                 (two-solvent)* (12)                 MSA,                                                 (MSA1 and MSA2)              acid as solvents to separate
                                                                                                                                       paraffins from aromatics
                                                     MSA,                                                                              and naphthenes
                                                                                                                                       (Vol. 17, pp. 223-224)

              Drying (13)                                          Liquid and          Vapor             Gas (MSA) and/or            Removal of water from
                                                                     often solid                          heat transfer (ESA)          polyvinylchloride with hot
                                                                                                                                       air in a fluid-bed dryer
                                                                                                                                       (Vol. 23, pp. 901-904)

                                                                                                                                                    (Continued)
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