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图 1 Pickering乳液模板多孔WG-g-PNaA水凝胶三维网络形成过程示意图
Figure 1. Schematic representation of the preparation of porous WG-g-PNaA hydrogel by WG-stabilized Pickering emulsion template
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图 2 WG、PNaA凝胶、WG-g-PNaA水凝胶的FT-IR图谱
Figure 2. FT-IR spectra of WG, PNaA hydrogel and WG-g-PNaA hydrogel
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图 3 样品的表面形貌FESEM图
Figure 3. FESEM images of the samples
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图 4 不同MB起始浓度下溶液pH对多孔WG-g-PNaA水凝胶平衡吸附量的影响
Figure 4. Effect of the solution pH on the equilibrium absorption capacity of porous WG-g-PNaA hydrogel at different initial concentration of MB
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图 5 多孔WG-g-PNaA水凝胶对不同起始浓度MB的等温吸附曲线和去除率
Figure 5. Adsorption isotherm curves and removal rate of MB by porous WG-g-PNaA hydrogel
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图 6 WG-g-PNaA水凝胶吸附MB的动力学曲线及粒子内扩散曲线
Figure 6. Kinetic adsorption curves and intra-particle diffusion curve for MB adsorption by WG-g-PNaA hydrogels
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图 7 多孔WG-g-PNaA水凝胶对MB的吸附-脱附循环效果
Figure 7. Recycle adsorption-desorption results of porous WG-g-PNaA hydrogel toward MB
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