Polychloride Chlorine Storage with Protic Release Agent
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Solution Overview
Problem
The use of compressed gas cylinders for storing and transporting chlorine gas is cumbersome and poses safety risks due to their weight and the need for special handling and safety precautions, and existing chlorine storage methods based on adsorption have low chlorine loading capacities and lack controlled release capabilities.
Innovation Solution
A method using polychlorides as a storage medium, where chlorine gas is released by adding a protic liquid release agent, allowing for controlled and targeted release of chlorine gas at atmospheric pressure, separate from the reaction space to prevent mixing with reactants and products.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Quantity of substance
If pressurized gas cylinders are used to store chlorine gas, then chlorine can be stored and transported, but the cylinders become heavy and require special safety precautions
Solution Approach 1:
The invention changes the physical state of chlorine from compressed gas to dissolved/complexed form in a liquid storage solution. Chlorine is stored as molecular chlorine (Cl2) dissolved in a suitable liquid medium or as chlorinated complexes, transforming the storage parameters from high pressure gas to liquid-phase dissolution, thereby eliminating the need for heavy pressurized cylinders while maintaining storage capacity
Solution Approach 2:
A liquid storage medium acts as an intermediary between the chlorine source and the reaction system. This medium dissolves or complexes with chlorine to form a stable storage solution that can be handled in ordinary containers, mediating the transition from hazardous compressed gas to manageable liquid form that releases chlorine on demand
2Quantity of substance
If pressurized gas cylinders are used, then chlorine can be supplied, but special safety precautions and thick-walled containers are required
Solution Approach 1:
The invention fundamentally changes the storage parameters from high-pressure gas storage to liquid-phase dissolution or complexation. This parameter transformation allows chlorine to be stored in ordinary chemical containers without requiring thick-walled pressure vessels, special safety valves, or complex regulation systems, thereby simplifying the entire storage and handling apparatus
Solution Approach 2:
The storage system uses simple, inexpensive containers that can be readily disposed of or replaced after use, eliminating the need for expensive, heavy-duty pressure cylinders that require inspection, maintenance, and special handling procedures. The storage medium itself can be regenerated or replaced in simple operations
3Stress or pressure
If adsorption-based storage materials are used, then chlorine can be stored at low pressure, but the chlorine loading capacity is very low
Solution Approach 1:
The invention changes the interaction mechanism from weak physical adsorption to strong chemical dissolution or complexation. Instead of relying on physisorption in porous materials which has low capacity, the system uses chemical dissolution of Cl2 in liquid media or formation of stable chlorinated complexes, dramatically increasing the amount of chlorine that can be stored per unit volume while maintaining ambient pressure conditions
Solution Approach 2:
The storage system employs a composite approach combining a liquid storage medium with chlorine-donating compounds or complexes. This composite system achieves high chlorine loading by utilizing both the solvent capacity of the liquid medium and the chlorine-binding affinity of dissolved species, creating a synergistic storage system that exceeds the capacity of simple adsorption materials
4Quantity of substance
If adsorption-based storage materials are used, then chlorine can be stored, but controlled release of chlorine is not achieved
Solution Approach 1:
The invention introduces dynamic control mechanisms where chlorine release is not passive but actively regulated. The system employs controllable factors such as pH adjustment, temperature variation, addition of competing ligands, or redox reactions to dynamically control the equilibrium between stored and released chlorine, enabling precise on-demand release rather than uncontrolled desorption
Solution Approach 2:
The storage system incorporates feedback mechanisms where the release of chlorine is monitored and regulated based on reaction progress or demand signals. The equilibrium between stored and free chlorine can be adjusted in response to system conditions, creating a self-regulating or externally controllable release mechanism that responds to operational needs
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
Enables efficient, safe, and controlled release of chlorine gas for chemical reactions, improving handling and safety by allowing storage in common containers and precise dosage, with high chlorine loading capacities and flexible release control.
Implementation Method 1
Various chlorine storage systems based on chlorine adsorption onto porous solids are known and described in the prior art. However, the technical implementation of such chlorine storage systems is generally not economically viable. The chlorine loading (g chlorine per g storage material) of such storage materials is very low, as there is only a physical interaction between the porous solid and the chlorine.
Implementation Method 2
there are also salts that exhibit a high affinity for chlorine gas. For example, ionic compounds consisting of organic cations and chloride store chlorine gas in the form of so-called polychlorides (Cl− with x > 1)
Implementation Method 3
A method using polychlorides as a storage medium, where chlorine gas is released by adding a protic liquid release agent, allowing for controlled and targeted release of chlorine gas at atmospheric pressure
Data Source
AI summary
A method for the targeted release of chlorine gas from polychloride-based storage media using protic release agents and the utilization of the chlorine in chemical reactions is described.