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Phenolic Wastewater Treatment: Development and Applications of New Adsorbent Materials  355


              Table 8.5 Comparative summary of various chemically and thermally activated
              adsorbents
                                                   Max.
                                                   adsorption
                                                   capacity      Thermodynamic
                                                         1
              Adsorbent         System             (mg g )       property
              ANL               4-NP               549.01        Exothermic
                (Ahmaruzzaman   4-CP               219.81        Exothermic
                and Laxmi       Phenol              69.7         Exothermic
                Gayatri, 2011)

              ATW               4-NP               142.85        Exothermic
                                  (Ahmaruzzaman
                                  and Laxmi
                                  Gayatri, 2010b)
                                4-CP                44.91        Exothermic
                                Phenol             35.53         Endothermic
              AES               4-NP               117.57        Exothermic
                                4-CP                10.02        Exothermic
                                Phenol               9.06        Exothermic
              AAJSC             4-NP                39.38        Exothermic
                                  (Ahmaruzzaman
                                  and Laxmi
                                  Gayatri, 2010c)
                                4-CP                31.91        Exothermic
                                Phenol              27.48        Endothermic
              APPSC             4-NP (Laxmi         31.96        Exothermic
                                  Gayatri and
                                  Ahmaruzzaman,
                                  2011)
                                4-CP                23.82        Exothermic
                                Phenol              22.82        Exothermic
              JSC               4-NP                40.62        Exothermic
                                  (Ahmaruzzaman
                                  and Laxmi
                                  Gayatri, 2010a)
                                4-CP                24.06        Exothermic
                                Phenol              22.93        Exothermic
              PPC               4-NP (Laxmi         27.48        Exothermic
                                  Gayatri and
                                  Ahmaruzzaman,
                                  2012)
                                4-CP                20.66        Exothermic
                                Phenol              16.99        Endothermic
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