Page 207 - 《精细化工》2020年第6期
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第 6 期                      史盼盼,等:  甲基橙在桉木基磁性活性炭上的吸附行为                                   ·1273·


            3    结论                                            [11]  ZHANG L Y (张留洋), YOU X    (游雪), GUO N H (郭伲宏), et al.
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                (1)采用 KOH 为活化剂,FeCl 3 ·6H 2 O 为赋磁                  化工), 2019, 46(3): 8-10.
            剂一步法制备了桉木基磁性活性炭。制得的磁性活                             [12]  WANG Q X (王喜全), SHAO G X (邵光绪), ZHANG Q W (张庆
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                                            2
            性炭比表面积(S BET )为 1430.32 m /g,总孔体积为                     from  melon  seed  shell[J].  Applied  Chemical  Industry  (应用化工),
                                            3
                    3
            0.893 cm /g,中孔体积为 0.426 cm /g,平均孔径为                    2019, 48(6): 1370-1373.
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            团。桉木基磁性活性炭的磁性物质为 Fe 和 Fe 3 O 4 ,                       Journal of Cleaner Production, 2019, 241: 118394.
            饱和磁化强度为 48.65 emu/g,在外加磁场的条件下                      [14]  JILES  D.  Recent  advances  and  future  directions  in  magnetic
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            能快速将磁性活性炭分离出来。                                     [15]  SHI J W, ZHENG J T, WU P, et al. Immobilization of TiO 2 films on
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            附符合 Langmuir 模型,最大吸附量为 333.33 mg/g。                [16]  WANG A M (王爱民), BAI N (白妮), ZHANG G T (张国涛), et al.
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            磁性活性炭对甲基橙的吸附过程是自发吸热过程。                                 sludge  and  fine  semi-coke  and  properties  of  adsorption[J].  Fine
                (3)磁性活性炭对甲基橙的吸附动力学符合准                              Chemicals (精细化工), 2017, 34(2):207-213.
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            二级动力学模型。颗粒内扩散并不是唯一的速率控                                 carbon  of  high  surface  area  produced  from  guava  seeds  as  a
            制步骤,吸附速率也会受到膜扩散和表面吸附的影响。                               high-efficiency adsorbent for amoxicillin removal: Kinetic, isotherm
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                (4)桉木基磁性活性炭制备简单、成本低廉且                              288: 778-788.
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