Continuous Halogen Oxyacid Production With Stable pH Control
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Solution Overview
Problem
Existing methods for producing quaternary alkylammonium hypochlorite solutions are inefficient for industrial-scale production and lack stability, particularly due to batch-type reactions that lead to high pH conditions causing decomposition and contamination issues.
Innovation Solution
A method and apparatus for continuously supplying an organic alkali solution and halogen to a reactor, allowing for continuous collection of the reaction solution, maintaining steady-state conditions to suppress decomposition and ensure stable production of halogen oxyacids.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Device complexity
If batch-type reaction is used to produce quaternary alkylammonium hypochlorite solution, then the production process is simple, but the pH becomes high causing decomposition and contamination
Solution Approach 1:
The patent implements continuous supply of organic alkali solution and halogen to the reactor, with continuous collection of reaction solution. This continuous operation maintains steady-state conditions, preventing the high pH decomposition issues that occur in batch processes while enabling industrial-scale production.
Solution Approach 2:
The patent controls the pH of the reaction solution to be 10.5 or more and less than 14.5, and specifically maintains it within 11.0 to 13.5, preventing the high pH conditions that cause decomposition. This parameter control is achieved through continuous monitoring and adjustment in the continuous production process.
2Device complexity
If batch-type reaction is used, then equipment requirements are minimal, but production efficiency is low and storage stability is poor
Solution Approach 1:
The continuous supply and collection system enables uninterrupted production, significantly improving productivity compared to batch processing. The steady-state operation ensures consistent production efficiency and better storage stability for industrial applications.
Solution Approach 2:
The reaction solution collecting means automatically collects the reaction solution as it is generated, eliminating the need for manual intervention and enabling continuous operation. This self-service mechanism improves production efficiency while maintaining solution stability.
3Duration of action of stationary object
If high pH conditions are maintained to ensure stability, then storage life is extended, but decomposition and contamination increase
Solution Approach 1:
The patent optimizes the pH parameter to be within 10.5 to 14.5 (preferably 11.0 to 13.5), which is high enough to ensure storage stability but controlled to prevent excessive decomposition. This precise parameter control balances storage life with minimizing harmful decomposition effects.
Solution Approach 2:
The continuous monitoring and adjustment of pH in the reaction solution ensures that the parameter remains within the optimal range. This feedback mechanism prevents pH from becoming excessively high, thereby reducing decomposition and contamination while maintaining adequate storage stability.
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 enables stable and efficient industrial production of halogen oxyacids by maintaining consistent pH and concentration, reducing side reactions, and facilitating mass production.
Implementation Method 1
a method for producing a halogen oxyacid solution, for example, a quaternary alkylammonium hypochlorite solution
Data Source
AI summary
A method for producing halogen oxyacid, which includes a step of continuously supplying and mixing an organic alkali solution and a halogen and continuously collecting a reaction solution containing halogen oxyacid, and an production apparatus of halogen oxyacid, which includes a reactor, a means of supplying an organic alkali solution to the reactor, a means of supplying a halogen to the reactor, and a means of collecting a reaction solution for taking out the reaction solution from the reactor, in which the organic alkali solution and the halogen are continuously supplied by the means of supplying an organic alkali solution and the means of supplying a halogen, respectively, to the reactor so as to be mixed therein such that a solution containing halogen oxyacid is generated as a reaction solution, and the reaction solution is continuously collected by the means of collecting a reaction solution are provided.