Page 115 - Adsorption Technology & Design, Elsevier (1998)
P. 115

Processes and cycles  111


                                                In 1 Makeup carbon


                                                                  e
                                                                   r
                                                                 v
                                                      ......... ~   Screened
                                                                o
                                                                   f
                                                                    o
                                                                    l

                                                                     w
                     Place top of drain bin                      Drain
                     below hydraulic
                     gradient in columns  ~
                                                                   gradient
                         11                   ......                 ....

                       Spent carbon
                       drain bin
                                               Water flow               U





                                                                Water out
                                            Carbon column






                                         Carbon movement 1


                    Water in     ~  _=
                                       ~'"   I--I  '
                        .  .  .  .  .  .  .  .  .  .  .  .
                                        .... -~..~~f.J
                                                        !SoentoaOnout





            Figure 5.8  Schematic of a pulsed flow adsorber (adapted and redrawn from Faust
                     and Al), 1987).


            carbon  loss  through  attrition  and  elutriation  seem  to  have  caused  all  the
            plants to have been closed down.
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