Chlorine Dioxide Gel Composition Suppressing Initial Rapid Generation
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Solution Overview
Problem
Existing methods for generating chlorine dioxide gas suffer from initial rapid generation and short holding times, making them unsuitable for long-term environmental purification, sterilization, and disinfection applications.
Innovation Solution
A method involving a gel composition with a gelling activator containing a gas generating agent, a gas generation controlling agent with carbonate and hydrogen peroxide, and a gas generation adjusting agent, which suppresses initial rapid generation and maintains stable chlorine dioxide gas production for an extremely long time.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Duration of action of moving object
If a superabsorbent polymer is added to a chlorite aqueous solution to form a gel composition, then the continuous generation time of chlorine dioxide gas is extended, but the transpiration rate of the gas cannot be adjusted and increases disadvantageously with temperature
Solution Approach 1:
The invention divides the gas generation control into multiple functional components: a water-soluble polymer for gel formation and continuous generation, and a separate gas generation controlling agent (carbonate compound) that independently regulates the transpiration rate. This segmentation allows each component to perform its specific function without interfering with the other, resolving the contradiction between extended generation time and adjustable transpiration rate
Solution Approach 2:
The invention introduces a carbonate compound as an intermediary substance that mediates between the chlorite aqueous solution and the external environment. This intermediary reacts with the chlorite to generate chlorine dioxide gas at a controlled rate, allowing the transpiration rate to be adjusted independently of the gel composition, thus enabling both long continuous generation and rate control
2Duration of action of moving object
If a gelling activator with gas generating agent and water-absorbent resin is added to chlorite aqueous solution, then the generation holding time is increased, but the initial generation amount is too large and decreases over time
Solution Approach 1:
The invention uses a water-soluble polymer that forms a gel structure to maintain continuous contact between the chlorite aqueous solution and the gas generation controlling agent. This gel structure ensures continuous and stable gas generation over extended periods, preventing the initial high generation followed by decline, thus achieving both long holding time and stable generation rate
Solution Approach 2:
The invention changes the physical state of the chlorite aqueous solution from liquid to gel by adding a water-soluble polymer. This parameter change (phase transition) fundamentally alters the mass transfer characteristics, enabling controlled and stable gas generation over long periods. The gel structure provides a matrix that maintains consistent reaction conditions, preventing the generation rate from spiking initially and then declining
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
The method ensures continuous and stable generation of chlorine dioxide gas for extended periods, exceeding 2,160 hours, thereby enhancing the effectiveness of environmental purification, sterilization, and disinfection processes.
Implementation Method 1
a gas generation controlling agent containing a carbonate and hydrogen peroxide
Implementation Method 2
a water-absorbent resin to a chlorite aqueous solution
Data Source
AI summary
In a method for generating a chlorine dioxide gas, the chlorine dioxide gas is continuously generated from a gel composition obtained by adding a gelling activator containing a gas generating agent, a gas generation controlling agent containing a carbonate and hydrogen peroxide, a gas generation adjusting agent, and a water-absorbent resin to a chlorite aqueous solution. This provides a method for generating a chlorine dioxide gas, a kit for generating a chlorine dioxide gas, and a gel composition which suppress the initial rapid generation of the chlorine dioxide gas and stably hold the generation of the chlorine dioxide gas for an extremely long time.