Uranium Chloride Production via Molten Salt Segmentation
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Solution Overview
Problem
Conventional methods for producing uranium chloride (UCl3) are complex, require reactive gases, and result in impure products due to contamination with starting materials, making large-scale production inefficient and costly.
Innovation Solution
A method involving a uranium feedstock, a chlorinating agent, and a metal salt is used to form a reaction mixture, which is heated to 600° C. to 850° C. to produce high-purity uranium chloride or eutectic mixtures, utilizing conventional equipment and simpler processes to achieve purity greater than 99.9%.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Manufacturing precision
If conventional multi-step processes are used to produce uranium chloride, then the production can be achieved, but the process complexity increases and the product purity decreases due to contamination with starting materials
Solution Approach 1:
The invention divides the reaction system into distinct phases (molten salt phase and solid residue phase) that can be easily separated. By segmenting the reaction components into reactants dissolved in molten salt and insoluble byproducts, the process achieves simple filtration to obtain high-purity uranium chloride without complex multi-step procedures
Solution Approach 2:
The invention changes the physical state parameters of the reaction system by conducting the reaction in a molten salt environment at elevated temperatures (600-850°C). This parameter change allows uranium chloride to dissolve in the molten salt while byproducts remain as solid residues, enabling simple separation and high-purity product recovery
2Productivity
If reactive gases are used in large amounts for large-scale production, then the production scale increases, but the equipment complexity and safety requirements increase
Solution Approach 1:
The invention replaces the mechanical/gas-phase reaction system with a thermal/molten-salt reaction system. By substituting reactive gases with solid reactants dissolved in molten salt, the process eliminates the need for complex gas handling equipment, pressure vessels, and safety systems while enabling large-scale production in simple furnaces
Solution Approach 2:
The invention uses molten salt as an inert reaction medium that provides a safe, non-reactive environment for large-scale uranium chloride production. The molten salt acts as a protective environment that eliminates the need for complex inert gas atmospheres and reactive gas handling infrastructure
3Ease of manufacture
If reactive gases are used for uranium chloride production, then the reaction can proceed, but toxic and hazardous materials are introduced into the process
Solution Approach 1:
The invention converts the potentially harmful reactive gases into benign solid reactants and uses molten salt as a safe reaction medium. The harmful aspect of reactive gases is transformed into the beneficial properties of molten salt (high temperature stability, solubility, and ease of separation) while eliminating toxicity and safety hazards
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
This approach allows for large-scale production of high-purity uranium chloride or eutectic mixtures with reduced impurities, using commercially available materials and equipment, and eliminates the need for toxic gases, thereby simplifying the process and increasing efficiency.
Implementation Method 1
The reaction mixture is heated to a temperature of from about 600° C. to about 850° C. to form uranium chloride or a uranium chloride eutectic mixture
Implementation Method 2
form uranium chloride or a uranium chloride eutectic mixture
Data Source
AI summary
A method of producing uranium chloride. The method comprises combining a uranium feedstock, a chlorinating agent, and a metal salt in a reaction vessel to form a reaction mixture. The reaction mixture is heated to a temperature of from about 600° C. to about 850° C. to form uranium chloride or a uranium chloride eutectic mixture. The uranium chloride or the uranium chloride eutectic mixture is separated from the reaction mixture. A composition comprising uranium chloride or a uranium chloride eutectic mixture at a purity of greater than about 99.9 is also disclosed, as are additional methods of producing uranium chloride.