Page 245 - Packed bed columns for absorption, desorption, rectification and direct heat transfer
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                              Table 17, Packings used for obtaining the experimental coefficients in Eq. (132)
                           Packings                         Specific   System   Author
                                                            surface area
                                                             2
                                                            m /m 3
                           Raschig ring 25.3x25.3x3 mm      189        air-water  Elenkov [120]
                           Shortened rings 25xl5.9x3mm      201        air- water  Elenkov [120]
                           Shortened ring 25x10.9x3 mm      216        air- water  Elenkov [120]
                           Arranged Raschig Rings25.3x25.3x3 mm.  200  air- water  Elenkov [120]
                           Plastic lamella packing; lamella thickness-  131  air- water  Elenkov [120]
                           5 mm; lamella height 50 mm; pitch -15 mm
                                                                       air- water  Kunugita
                           Raschig rings 10x10 mm                               [117]
                                                                       air- water  Kunugita
                           Raschig rings 15x15 mm
                                                                                [117]
                                                                       air- water  Kunugita
                           Raschig rings 20x20 mm                               [117]
                           Raschig rings 15x15 mm                      air- water  Dilman [121]
                           Raschig rings 6x6 mm                        air- water  Carlton [122]
                           Raschig rings 10x10 mm                      air- water  Carlton [122]
                           Raschig rings 13x13 mm                      air- water  Carlton [122]
                           Raschig rings 19x19 mm                      air-water  Carlton [122]
                           Spheres 4.75 mm                             methanol-  Hochman
                                                                       nitrogen  [119]
                           Raschig rings 12.7x12.7 mm                  air-water  Sarter[118]
                           Bert saddles 12.7 mm                        air- water  Sarter[118]
                           Raschig rings 10x10 mm                      air- water  Me. Henry
                                                                                [123]
                           Raschig rings 10x10 mm                      air-water  Otake [124]
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