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Efficient Uranium Reduction Extraction de Wenkun Zhu

Efficient Uranium Reduction Extraction

Autor Wenkun Zhu, Rong He, Tao Chen
en Limba Engleză Hardback – 8 oct 2025

Această monografie publicată de Wiley-VCH GmbH reprezintă o resursă de nivel de referință profesională și studii de masterat sau doctorat, fiind esențială pentru specialiștii în chimie nucleară și știința materialelor. Observăm o abordare tehnică riguroasă a procesului de decontaminare, autorii concentrându-se pe metodele de reducere pentru eliminarea uraniului atât din surse naturale, cum este apa de mare, cât și din reziduurile industriale nucleare. Structura textului facilitează înțelegerea mecanismelor chimice fundamentale, trecând rapid de la proprietățile generale de coordonare la aplicații experimentale complexe. Suntem de părere că volumul se distinge prin utilizarea metodelor de analiză de ultimă generație. Integrarea tehnicilor precum microscopia HAADF-STEM cu rezoluție atomică și spectroscopia XAFS permite o vizualizare fără precedent a modului în care uraniul interacționează cu materialele de extracție. Autorii nu se limitează la teorie, ci explorează potențialul unor materiale diverse, de la pulberi de fier sub influența câmpurilor externe până la structuri hibride carbon-semiconductor, oferind soluții concrete pentru separarea elementelor radioactive în medii chimice dificile. Acoperă aceeași arie tematică precum Chemical Separation Technologies and Related Methods of Nuclear Waste Management de Gregory R. Choppin, dar cu o abordare mult mai axată pe nanomateriale și tehnologii de reducere specifice secolului XXI. În timp ce alte lucrări din domeniu, precum Advanced Separation Techniques for Nuclear Fuel Reprocessing and Radioactive Waste Treatment, se concentrează pe întregul ciclu al combustibilului nuclear, volumul de față Efficient Uranium Reduction Extraction oferă o nișare tehnică superioară pe mecanismele de reducere și pe designul materialelor de extracție, fiind un ghid indispensabil pentru cercetarea aplicată în protecția mediului și inginerie nucleară.

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Specificații

ISBN-13: 9783527354146
ISBN-10: 352735414X
Pagini: 304
Dimensiuni: 172 x 246 x 20 mm
Greutate: 0.73 kg
Ediția:1
Editura: Wiley-VCH GmbH

De ce să citești această carte

Recomandăm această carte cercetătorilor și studenților avansați care doresc să stăpânească tehnologiile moderne de tratare a apelor reziduale radioactive. Cititorul câștigă acces la metodologii de avangardă, de la utilizarea plasmei la analiza atomică prin sincrotron. Este un instrument esențial pentru proiectarea unor sisteme de extracție mai eficiente și mai sigure, oferind o bază teoretică și experimentală solidă pentru gestionarea durabilă a resurselor de uraniu.

Descriere

Enables readers to understand how to remove uranium from seawater and nuclear wastewater through a variety of techniques Efficient Uranium Reduction Extraction provides experimental and theoretical knowledge on uranium reduction extraction, with information ranging from the design of extraction materials and methods to the evolution of uranium species and its reaction mechanism. Throughout the text, the authors illustrate the solution for the reductive separation of radioactive elements in complex environments and provide a new pathway for the treatment of wastewater. Written by a team of highly qualified authors, Efficient Uranium Reduction Extraction includes information on: General chemical properties of uranium, including its coordination structure and valence state transformations Performance evaluation criteria and device integration for uranium reduction and extraction Methods including nano-zero-valent iron, commercial iron powder under the influence of external fields, carbon-semiconductor hybrid materials, and plasma Advanced techniques, such as atomic-resolved HAADF-STEM and synchrotron XAFS, which explore uranium reduction at the atomic level Efficient Uranium Reduction Extraction delivers important and unique guidance on the subject for chemists, material scientists, and environmental scientists in universities and research institutions worldwide, along with undergraduate and postgraduate students in related programs of study.

Notă biografică

Wenkun Zhu is the Principal Investigator in CAEA Innovation Center of Nuclear Environmental Safety Technology, Southwest University of Science and Technology (SWUST), China.

Rong He is a Professor in School of National Defense & Nuclear Science and Technology, Southwest University of Science and Technology (SWUST), China.

Tao Chen is a Professor in School of National Defense & Nuclear Science and Technology, Southwest University of Science and Technology (SWUST), China.

Cuprins

Preface xi

1 Background of Uranium Chemistry 1

1.1 Introduction of Uranium in Nuclear Industry 1

1.1.1 Importance of Uranium Resource in Nuclear Industry 1

1.1.2 Uranium Cycle in Nuclear Industry 2

1.2 Coordination and Species of Uranium 2

1.2.1 General Chemical Properties of Uranium 2

1.2.2 Basic Uranium Species in the Solution-Uranyl and Uranyl Compound 3

1.2.3 Valence Transformation of Uranium 4

References 5

2 Introduction of Uranium Reduction Extraction 9

2.1 Introduction of Uranium Extraction 9

2.2 Introduction of Uranium Reduction Extraction 9

2.2.1 Basic Concept and Process of Uranium Reduction Extraction 9

2.2.2 Uranium Reduction by Zerovalent Iron 10

2.2.3 Photochemistry and Photochemical Uranium Reduction 10

2.2.4 Electrochemistry Involved in the Electrochemical Uranium Reduction 11

2.3 Key Factors to Influence the Uranium Reduction Extraction 11

2.3.1 Surface Adsorption and Coordination 12

2.3.2 Reductive Ability 12

2.4 Practical Situation that Requires Uranium Extraction 13

2.4.1 Uranium Extraction in Seawater 13

2.4.2 Uranium Extraction in Mining and Metallurgy 13

2.4.3 Uranium Extraction in Nuclear Wastewater 14

References 14

3 Uranium Reduction Extraction by Modified Nano Zerovalent Iron 19

3.1 Introduction of Nano Zerovalent Iron 19

3.2 Material Design for Promoted Stability and Reductive Ability 21

3.3 Uranium Extraction Performance 24

3.4 Reaction Mechanism 26

3.5 Conclusion and Future Perspectives 29

References 30

4 Uranium Reduction Extraction by Commercial Iron Powder 33

4.1 Introduction of Alternative Abundant Reductant-Commercial Iron Powder 33

4.2 Ultrasound Enhancement of Uranium Extraction by Commercial Iron Powder 34

4.2.1 Extraction of U(VI) by Commercial Iron Powder 34

4.2.2 Analysis of Uranium Enrichment Status 36

4.2.3 Key Mechanism of Ultrasonic Enhanced Commercial Iron Powder for Uranium Extraction 36

4.3 Microbial Sulfurization-Enhanced Commercial Iron Powder Extraction of Uranium 39

4.3.1 Characterizations of BS-ZVI 39

4.3.2 Performance of Photocatalytic Enrichment of U(VI) by BS-ZVI 40

4.3.3 Photoelectric Properties and Energy Band Structure of BS-ZVI 41

4.3.4 Photocatalytic Enrichment Mechanism of U(VI) 43

4.4 Conclusion and Perspectives 45

References 45

5 Photocatalytic Uranium Reduction Extraction by Carbon-Semiconductor Hybrid Material 49

5.1 Introduction of Photocatalytic Uranium Reduction Extraction 49

5.2 Motivated Material Design of Carbon-Semiconductor Hybrid Material 51

5.2.1 Introduction 51

5.2.2 Results and Discussions 52

5.2.3 Summary 57

5.3 Band Engineering of Carbon-Semiconductor Hybrid Material 57

5.3.1 Introduction 57

5.3.2 Results and Discussions 58

5.3.3 Summary 64

5.4 Assembly of Carbon-Semiconductor Hybrid Material for Facile Recycle Use 65

5.4.1 Introduction 65

5.4.2 Results and Discussions 66

5.4.3 Summary 71

5.5 Conclusion and Perspectives 72

References 73

6 Photocatalytic Uranium Reduction Extraction by Surface Reconstructed Semiconductor 77

6.1 Introduction 77

6.2 Design of Hydrogen-Incorporated Semiconductor-Hydrogen-Assist 78

6.2.1 Hydrogen-Incorporated VO 2 78

6.2.2 Hydrogen-Incorporated Oxidized WS 2 86

6.3 Hydrogen-Incorporated Vacancy Engineering 92

6.3.1 Oxygen Vacancy-Case of WO 3-x 92

6.3.2 Doping-Induced Cation Vacancy-Case of Fe-Doped TiO 2 99

6.3.3 Oxygen Vacancy Engineering in Black TiO 2 @Co 2 P S-Scheme 104

6.4 Conclusions 110

References 111

7 Enhanced Photocatalytic Uranium Reduction Extraction by Electron Enhancement 117

7.1 Introduction 117

7.2 Plasmonic Enhancement of Uranium Extraction 117

7.2.1 Enhanced Uranium by Hot Electrons of Plasmonic Metals 118

7.2.1.1 Introduction 118

7.2.1.2 Summary 125

7.2.2 Plasmonic Engineering - High-Entropy Plasmonic Alloy 125

7.2.2.1 Introduction 125

7.2.2.2 Summary 133

7.2.3 Promotion of Electron Energy by Upconversion-Case of Er Doping 133

7.2.3.1 Introduction 133

7.2.3.2 Summary 141

7.3 Enhanced by Cocatalysis 143

7.3.1 Introduction 143

7.3.1.1 Results and Discussions 145

7.3.2 Summary 156

7.4 Conclusion and Perspectives 157

References 157

8 Photocatalytic Uranium Reduction Extraction in Tributyl Phosphate-Kerosene System 169

8.1 Introduction of Tributyl Phosphate-Kerosene System-Spent Fuel Reprocessing 169

8.2 Material Design-Self Oxidation of Red Phosphorus 170

8.3 Uranium Extraction in Tributyl Phosphate-Kerosene System 173

8.4 Reaction Mechanism-Self Oxidation Cycle 177

8.5 Conclusion and Perspectives 181

References 182

9 Photocatalytic Uranium Reduction Extraction in Fluoride-Containing System 187

9.1 Introduction of Photocatalytic Uranium Reduction Extraction 187

9.2 Simultaneously Constructing U(VI) Constraint Sites and Water Oxidation Sites to Promote the Purification of Fluorine-Containing Uranium Wastewater 188

9.2.1 Introduction 188

9.2.2 Results and Discussions 189

9.2.3 Summary 197

9.3 Advanced Photocatalytic Heterojunction with Plasmon Resonance Effect for Uranium Extraction from Fluoride-Containing Uranium Wastewater 198

9.3.1 Introduction 198

9.3.2 Results and Discussions 199

9.3.3 Summary 204

References 205

10 Electrochemical Uranium Reduction Extraction: Design of Electrode Materials 211

10.1 Introduction of Electrocatalytic Uranium Reduction Extraction 211

10.2 Edge-Site Confinement for Enhanced Electrocatalytic Uranium Reduction Extraction 213

10.2.1 Introduction 213

10.2.2 Results and Discussions 214

10.2.3 Summary 219

10.3 Facet-Dependent Electrochemical Uranium Extraction in Seawater Over Fe 3 O 4 Catalysts 219

10.3.1 Introduction 219

10.3.2 Results and Discussions 220

10.3.3 Conclusion 225

10.4 Heterogeneous Interface-Enhanced Electrocatalytic Uranium Reduction Extraction 225

10.4.1 Introduction 225

10.4.2 Results and Discussions 226

10.4.3 Summary 231

10.5 Surface Hydroxyl-Enhanced Electrochemical Extraction of Uranium 232

10.5.1 Introduction 232

10.5.2 Results and Discussions 233

10.5.3 Summary 237

10.6 Charge-Separation Engineering for Electrocatalytic Uranium Reduction Extraction 238

10.6.1 Introduction 238

10.6.2 Results and Discussions 239

10.6.3 Summary 244

10.7 Conclusion and Perspectives 244

References 245

11 Electrochemical Uranium Extraction from Seawater-Reproduced Vacancy 253

11.1 Introduction of Electrocatalytic Uranium Extraction from Seawater 253

11.2 High-Selective Site Oxygen Vacancy 253

11.3 Conclusion 257

References 258

12 Electrochemical Uranium Extraction from Nuclear Wastewater of Fuel Production 263

12.1 Introduction of Nuclear Wastewater of Fuel Production: Ultrahigh Concentration of Fluoride 263

12.2 Material Design-Ion Pair Sites 264

12.3 Uranium Extraction Performance 266

12.3.1 Simulated Wastewater 266

12.3.2 Real Nuclear Wastewater 268

12.4 Reaction Mechanism - Coordination and Crystallization 268

12.5 Conclusion 270

References 270

13 Perspectives and Emerging Directions 273

13.1 Application in Real Situation 273

13.2 Criteria of Performance Evaluation 274

13.3 Device of Uranium Reduction Extraction 276

13.3.1 Chemical Reduction Coupled with External Field 276

13.3.2 Photocatalytic Device for Flow Cell 276

13.3.3 Electrocatalytic Device with Controlling System 277

References 279

Index 283

Descriere scurtă

Covers fundamental aspects and the current state of the art methods in the field of uranium extraction.