Zirconium Oxide Trapping Layer for Organic Halogen Extraction
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Solution Overview
Problem
Existing methods for extracting organic halogen compounds from solutions often result in low recovery rates and contamination of analysis equipment due to the presence of impurities, requiring complex and time-consuming pretreatment processes.
Innovation Solution
A method involving a trapping layer with zirconium oxide in a powder grain form is used to selectively extract organic halogen compounds, allowing for efficient separation from impurities through a series of solvent passages, reducing the risk of compound loss and simplifying the operation.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If conventional solvents (aliphatic or aromatic hydrocarbon) are used to extract organic halogen compounds, then extraction efficiency is improved, but the extract becomes difficult to apply directly to analysis equipment and requires complex pretreatment
Solution Approach 1:
The patent introduces a trapping layer containing zirconium oxide as an intermediary substance between the extraction solvent and analysis equipment. This trapping layer selectively retains impurities while allowing the organic halogen compound to pass through, serving as a mediator that simplifies the extract without requiring complex pretreatment procedures.
Solution Approach 2:
The trapping layer uses zirconium oxide with specific porous properties to selectively adsorb impurities from the extract. The porous structure allows the organic halogen compound to pass through while trapping contaminating substances, thereby simplifying the extract preparation process.
2Object-affected harmful factors
If complex pretreatment processes are applied to remove impurities, then analysis equipment contamination is reduced, but the recovery rate of organic halogen compound decreases and operation becomes more complex
Solution Approach 1:
The trapping layer is designed with local quality - zirconium oxide particles with specific surface properties are concentrated in the trapping layer region. This localized functional material selectively interacts with impurities while leaving the organic halogen compound unaffected, thereby removing contamination without compromising recovery rate.
Solution Approach 2:
The trapping layer acts as an intermediary that selectively removes impurities from the extract before it reaches the analysis equipment. This mediator approach protects the equipment from contamination while maintaining high recovery rates of the target compound.
3Measurement precision
If multiple pretreatment steps are performed to ensure high accuracy analysis, then measurement precision is improved, but loss of time and operational complexity increase
Solution Approach 1:
The patent merges the extraction and purification steps into a single integrated process using the trapping layer. The trapping layer performs impurity removal during the extraction process itself, eliminating the need for separate pretreatment steps and reducing overall processing time while maintaining analysis accuracy.
Solution Approach 2:
The trapping layer performs preliminary purification action during the extraction phase. By removing impurities before the extract reaches the analysis equipment, the system ensures high measurement precision without requiring additional time-consuming pretreatment steps.
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 effectively extracts organic halogen compounds with high recovery rates and purity, reducing the complexity and time required for pretreatment, while minimizing the risk of contamination and compound loss.
Implementation Method 1
a trapping layer which contains zirconium oxide in a powder grain form
Implementation Method 2
supplying an aliphatic hydrocarbon solvent to the trapping layer, to which the solution has been added, and causing the aliphatic hydrocarbon solvent to pass through the trapping layer
Data Source
AI summary
Provided is an extraction column (1) including a first column (10) having an adsorbent layer (100) and a second column (20) detachably coupled to the first column (10) and filled with a trapping layer (200) containing zirconium oxide in a powder grain form. After a solution containing an organic halogen compound and an impurity has been added to the adsorbent layer (100), an aliphatic hydrocarbon solvent is supplied to and passes through the adsorbent layer (100) and the trapping layer (200) in this order. At this point, the impurity in the solution is treated in the adsorbent layer (100), and the organic halogen compound in the solution is dissolved in the aliphatic hydrocarbon solvent and passes through the adsorbent layer (100). Then, the organic halogen compound is trapped in the trapping layer (200). After passage of the aliphatic hydrocarbon solvent, an extraction solvent is supplied to the second column (20) separated from the first column (10). After the extraction solvent has passed through the trapping layer (200), the extraction solvent turns into an extract containing the organic halogen compound extracted from the trapping layer (200).