Chlorine Dioxide Production Oxidizing Aromatic Contaminants
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Solution Overview
Problem
Modern commercial processes for chlorine dioxide production generate low amounts of unwanted by-products like chlorinated aromatic compounds, which are toxic and difficult to handle, despite their low quantities.
Innovation Solution
Adding chlorine dioxide to raw materials in the production process, where it oxidizes aromatic contaminants to non-aromatic compounds, reducing the amount of chlorinated aromatic compounds present.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If chlorine dioxide production processes are used to achieve efficient production, then productivity is improved, but toxic chlorinated aromatic compounds are generated as harmful by-products
Solution Approach 1:
The patent applies the principle of converting harmful factors into beneficial effects by using chlorine dioxide itself to oxidize and destroy the harmful chlorinated aromatic compounds it generates during production. The process transforms the toxic by-products into harmless substances through controlled oxidation, effectively turning the production process's harmful output into a self-cleaning mechanism that eliminates toxicity while maintaining production efficiency
2Object-generated harmful factors
If adsorbents are used to remove chlorinated organic compounds, then harmful factors are reduced, but device complexity and operational difficulty increase due to handling and regeneration requirements
Solution Approach 1:
The patent implements self-service by enabling the chlorine dioxide production system to automatically destroy its own harmful by-products through oxidation. The process uses chlorine dioxide generated in-situ to oxidize chlorinated aromatic compounds, eliminating the need for external adsorbents, complex removal systems, or regeneration facilities. This self-cleaning approach significantly simplifies the overall process while maintaining effectiveness in reducing toxic emissions
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
Significantly reduces the levels of chlorinated dibenzo-p-dioxins and dibenzo-furans in the production process, as demonstrated by laboratory trials, improving the safety and efficiency of chlorine dioxide production.
Implementation Method 1
Adding chlorine dioxide to raw materials used in the process, where it oxidizes aromatic contaminants to non-aromatic compounds
Data Source
AI summary
The invention relates to a process for the production of chlorine dioxide comprising forming chlorine dioxide in a reaction medium in a reaction vessel and withdrawing chlorine dioxide as a gas from the reaction medium in the reaction vessel, the process further comprising adding chlorine dioxide to at least one raw material used in the process. The invention further relates to the use of chlorine dioxide for the reduction of the amount of chlorinated aromatic compounds occurring in a process for the production of chlorine dioxide.