Efficient Uranium Reduction Extraction: Material Design and Reaction Mechanisms

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.

Table of Contents:
CHAPTER 1 BACKGROUND OF URANIUM CHEMISTRY 1.1 Introduction of uranium in nuclear industry 1.2 Coordination and species of uranium CHAPTER 2 INTRODUCTION OF URANIUM REDUCTION EXTRACTION 2.1 Introduction of uranium extraction 2.2 Introduction of uranium reduction extraction 2.3 Key factors to influence the uranium reduction extraction CHAPTER 3 URANIUM REDUCTION EXTRACTION BY MODIFIED NANO ZERO-VALENT IRON 3.1 Introduction of nano zero-valent iron 3.2 Material design for promoted stability and reductive ability 3.3 Uranium extraction performance 3.4 Reaction mechanism 3.5 Conclusion and future perspectives CHAPTER 4 URANIUM REDUCTION EXTRACTION BY COMMERCIAL IRON POWDER 4.1 Introduction of alternative abundant reductant-commercial iron powder 4.2 Ultrasound enhancement of uranium extraction by commercial iron powder 4.3 Microbial sulfurization enhanced commercial iron powder extraction of uranium 4.4 Conclusion and perspectives CHAPTER 5 PHOTOCATALYTIC URANIUM REDUCTION EXTRACTION BY CARBON-SEMICONDUCTOR HYBRID MATERIAL 5.1 Introduction of photocatalytic uranium reduction extraction 5.2 Motivated material design of carbon-semiconductor hybrid material 5.3 Band engineering of carbon-semiconductor hybrid material 5.4 Assembly of carbon-semiconductor hybrid material for facile recycle use 5.5 Conclusion and perspectives CHAPTER 6 PHOTOCATALYTIC URANIUM REDUCTION EXTRACTION BY SURFACE RECONSTRUCTED SEMICONDUCTOR 6.1 Introduction 6.2 Design of hydrogen-incorporated semiconductor-hydrogen-assisted coordination 6.3 Hydrogen-incorporated oxidized WS2Vacancy engineering 6.4 Conclusion and perspectives CHAPTER 7 ENHANCED PHOTOCATALYTIC URANIUM REDUCTION EXTRACTION BY ELECTRON ENHANCEMENT 7.1 Introduction 7.2 Plasmonic enhancement of uranium extraction 7.3 Promotion of electron energy by up conversion-case of Er doping 7.4 Enhanced by co-catalysis 7.5 Conclusion and perspectives CHAPTER 8 PHOTOCATALYTIC URANIUM REDUCTION EXTRACTION IN TRIBUTYL PHOSPHATE-KEROSENE SYSTEM 8.1 Introduction of tributyl phosphate-kerosene system-spent fuel reprocessing 8.2 Material design-self oxidation of red phosphorus 8.3 Uranium extraction in tributyl phosphate-kerosene system 8.4 Reaction Mechanism-self oxidation cycle 8.5 Conclusion and perspectives CHAPTER 9 PHOTOCATALYTIC URANIUM REDUCTION EXTRACTION IN FLUORIDE-CONTAINING SYSTEM 9.1 Introduction of fluoride-containing system-production of nuclear fuel 9.2 Material design: charge separation interface 9.3 Uranium extraction in the presence of fluoride 9.4 Reaction Mechanism-charge-induced separation of uranyl and fluorion 9.5 Conclusion and perspectives CHAPTER 10 ELECTROCHEMICAL URANIUM REDUCTION EXTRACTION: DESIGN OF ELECTRODE MATERIALS 10.1 Introduction of electrocatalytic uranium reduction extraction 10.2 Edge-site confinement for enhanced electrocatalytic uranium reduction extraction 10.3 Facet-dependent electrocatalytic uranium reduction extraction 10.4 Heterogeneous interface enhanced electrocatalytic uranium reduction extraction 10.5 Surface hydroxyl enhanced electrochemical extraction of uranium 10.6 Charge-separation engineering for electrocatalytic uranium reduction extraction 10.7 Conclusion and perspectives CHAPTER 11 ELECTROCHEMICAL URANIUM EXTRACTION FROM SEAWATER-REPRODUCED VACANCY SITES 11.1 Introduction of electrocatalytic uranium extraction from seawater 11.2 High-selective site: oxygen vacancy 11.3 In-situ reproduction of oxygen vacancy drove by hydrogen spillover 11.4 Conclusion and perspectives CHAPTER 12 ELECTROCHEMICAL URANIUM EXTRACTION FROM NUCLEAR WASTEWATER OF FUEL PRODUCTION 12.1 Introduction of nuclear wastewater of fuel production: ultrahigh concentration of fluoride 12.2 Material design-ion pair sites 12.3 Uranium extraction performance 12.4 Reaction mechanism-coordination and crystallization 12.5 Conclusion CHAPTER 13 PERSPECTIVES AND EMERGING DIRECTIONS 13.1 Application in real situation 13.2 Criteria of performance evaluation 13.3 Device of uranium reduction extraction

About the Author :
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.