Semin Eun. (2025). Development and Application of Transition Metal-Based Prussian Blue Analogs for the Selective Adsorption of Radioactive Cesium from Seawater. doi: 10.22677/THESIS.200000843948
Abstract i List of contents iii List of tables vii List of figures ix
1. Research Background 1.1 Sources and risks of 137Cs 1 1.2 Researches of 137Cs removal 4 1.2.1 Methods of 137Cs removal 4 1.2.2 Materials of 137Cs removal 6 1.3 Limitations of current 137Cs removal research on PBAs 10 1.4 Research topics 12
2. Impact of Transition Metal in Corporation on the Adsorption Mechanism of Radioactive Cesium in Prussian Blue Analogs 2.1 Introduction 15 2.2 Experimental section 18 2.2.1 Preparation of PBAs 18 2.2.2 Characterization of PBAs 18 2.2.3 Cs+ adsorption experiment 20 2.3 Results and discussion 22 2.3.1 Physicochemical characteristics of PBAs 22 2.3.2 Cs+ adsorption on PBAs 35 2.3.3 Photoinduced enhancement of Cs+ adsorption on PBAs 43 2.4 Summary 49
3. A Novel Insight of ZnFe Prussian Blue Analogs for Enhanced Cesium Adsorption and Desorption Mechanism: Structural Transformation and Reusability 3.1 Introduction 51 3.2 Experimental section 55 3.2.1 Materials 55 3.2.2 Preparation of ZnFe samples 55 3.2.3 Characterization of ZnFe samples 58 3.2.4 Cs+ adsorption performance test 58 3.2.5 Cs+ desorption performance test 59 3.2.6 Reusability test of ZnFe samples 60 3.3 Results and discussion 61 3.3.1 Characterization of ZnFe samples 61 3.3.2 Cs+ adsorption behavior of ZnFe samples 67 3.3.3 Cs+ desorption behavior of ZnFe samples 77 3.3.4 Cs+ adsorption-desorption performance of ZnFe samples 82 3.4 Summary 84
4. Innovative Photoinduced Enhancement of 137Cs Removal Using NiFe Prussian Blue Analog-Alginate Hydrogel 4.1 Introduction 86 4.2 Experimental section 89 4.2.1 Materials 89 4.2.2 Preparation of NiFe-AH 89 4.2.3 Characterization of NiFe-AH 90 4.2.4 Cs+ adsorption experiments 92 4.2.5 Removal of 137Cs experiment 93 4.3 Results and discussion 94 4.3.1 Optimization of NiFe-AH synthesis 94 4.3.2 Physicochemical characteristics of NiFe-AH 97 4.3.3 Cs+ adsorption on NiFe-AH 100 4.3.4 Photoinduced enhancement of Cs+ adsorption experiment 105 4.3.5 137Cs removal performance evaluation in seawater 112 4.4 Summary 116
5. Instantaneous Cesium Removal from Seawater Using ZnFe Prussian blue embedded Electrospun Nanofiber Membrane 5.1 Introduction 118 5.2 Experimental section 121 5.2.1 Materials 121 5.2.2 Preparation of ZnFe-EFs 121 5.2.3 Characterization of ZnFe-EFs 123 5.2.4 Cs+ adsorption batch test 123 5.2.5 ZnFe-EF Cs+ filtration test 124 5.3 Results and discussion 125 5.3.1 Physicochemical properties of ZnFe-EFs 125 5.3.2 Cs+ adsorption batch test 128 5.3.3 ZnFe-EFs Cs+ filtration test 132 5.3.4 ZnFe-EF Cs+ filtration test from seawater 139 5.4 Summary 142 6. Reference 143
