Page 219 - Principles of Catalyst Development
P. 219

208                                                      CHAPTER  8
                                TABLE 8.8.  Basic and  Nonbasic
                                   Compounds in  Petroleum

                                 Type         Compound
                               Basic      Pyridines
                                          Quinolines
                                          Amines
                                          Indolines
                                          Hexahydrocarbazoles
                               Nonbasic   Pyrroles
                                          Indoles
                                          Carbazoles





                        40r-----r-----r-----.-----.-----.-----.

                        30

                    z
                    o   20
                    en
                    a:
                   UJ
                   >
                    Z
                   o
                   o    10
                   z
                   o     8
                   t-                                             I
                   e(    6
                   ...J
                   >-                              DECYLAMINE  II
                   ~
                   ...J                                      /
                   e(    4
                   UJ                                      /
                   Cl
                   UJ    3                               /   -I,..J..
                   Z                   PIPERIDINE      /  ,0'
                   W       QUINOLINE                 /   ",'<>
                   ~     2                         /   o'<J
                   :::>
                   o                           ,/  x.-'"  ,<>'~
                                                 /
                                  --    -    ,/  0«:
                                          /"
                                                ,~
                                                      2             3
                          POISON  CONCENTRATION      moles  g-1 x  10 4
                     Figure 8.16.  Poisoning of acidity  by basic nitrogen compounds.
   214   215   216   217   218   219   220   221   222   223   224