油页岩灰基磁性分子筛的制备及其对亚甲基蓝的吸附性能

段玉, 王倩, 刘宏臣, 车远军, 石磊, 白慧娟

Methylene Blue Adsorption Performance of Magnetic Zeolite Prepared from Oil Shale Ash

DUAN Yu, WANG Qian, LIU Hongchen, CHE Yuanjun, SHI Lei, BAI Huijuan

表2 不同吸附剂对MB的吸附性能

Table 2 MB adsorption capacities of different adsorbents

Adsorbents Time / min Dosage / g·L-1 Initial concentration / mg·L-1 pH value Temperature / oC Adsorption capacity / mg·g-1 Ref. Fe3O4@NaX 60 1 50 Natural 25 45.19 This work WO3 3 0.05 15 Natural Natural 1.64 [25] Zeolite HY-Fe3O4 from Zeolite HY and Fe3O4 40 1.186 10.23 9 53.9 3.24 [26] Natural zeolite from Sigmae-Aldrich 120 0.6 20 Natural 25 9.19 [27] A mixture of zeolite A and P synthesized from electrolytic manganese residue 200 6 200 6 40 33.57 [28] Zeo-FPT 40 0.5 10 8 25 0.438 [29] Magnetic graphene oxide 240 0.15 45 9 25 306.5 [30] Fe3O4@UIO-66-NH2 90 0.004 4 9 Natural 9.53 [31]