Real-Time Multi-Fluorescence Analyzer for Hydroxyl Radical Scavenging Index Monitoring
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Solution Overview
Problem
Existing water treatment methods, particularly advanced oxidation processes (AOP), face challenges in efficiently monitoring and controlling the hydroxyl radical scavenging index in water, which is crucial for effectively removing trace organic pollutants and hazardous materials.
Innovation Solution
A system utilizing a real-time multi-fluorescence analyzer and a parallel factor analysis apparatus to monitor the hydroxyl radical scavenging index in water, allowing for continuous flow analysis without relying on indicator materials like rhodamine B, and enabling real-time process control.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If indicator materials like rhodamine B are used to monitor hydroxyl radical scavenging index, then the measurement capability is achieved, but the device complexity and operational burden increase due to periodic washing requirements
Solution Approach 1:
The patent extracts and eliminates the indicator material (rhodamine B) from the measurement system. Instead of using chemical indicators that require periodic washing, the invention directly measures fluorescence signals from natural organic materials in water to determine the hydroxyl radical scavenging index, thereby removing the source of contamination and washing requirements
Solution Approach 2:
The system uses the natural fluorescence properties of organic materials already present in the water sample itself, rather than requiring external indicator materials. The water sample's own organic constituents serve as the measurement target, enabling continuous monitoring without additional reagents or cleaning operations
2Reliability
If advanced oxidation process is applied to treat various pollutants, then the treatment effectiveness is improved, but the power consumption increases due to varying water quality conditions
Solution Approach 1:
The patent implements real-time monitoring of the hydroxyl radical scavenging index using fluorescence measurement. This feedback information about water quality conditions (particularly natural organic material concentrations) allows the system to dynamically adjust AOP operating parameters, optimizing energy consumption while maintaining effective pollutant removal
Solution Approach 2:
The system changes operational parameters of the AOP process based on measured water quality parameters. By monitoring the scavenging index in real-time, the system can adjust ultraviolet irradiation intensity, hydrogen peroxide dosage, or ozone flow rate to match actual water conditions, avoiding excessive energy consumption while ensuring adequate treatment
3Extent of automation
If real-time monitoring of hydroxyl radical scavenging index is implemented, then the process control capability is improved, but the device complexity increases due to multi-fluorescence analysis requirements
Solution Approach 1:
The patent employs a multi-fluorescence analyzer that performs multiple functions: it measures excitation-emission matrices to characterize natural organic materials, determines the hydroxyl radical scavenging index, and provides data for process control decisions. This single instrument handles multiple analytical tasks that would otherwise require separate devices, reducing overall system complexity
Solution Approach 2:
The patent introduces a dedicated analysis unit that serves as an intermediary between the complex multi-fluorescence analyzer and the process control system. This analysis unit processes the raw fluorescence data, applies parallel factor analysis to resolve overlapping signals, and outputs simplified control parameters, thereby mediating the complexity between measurement and control
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 allows for accurate and real-time monitoring of organic material characteristics, enabling optimized process control and reduced power consumption in AOP systems, even with varying water quality and target materials.
Implementation Method 1
a real-time multi-fluorescence analyzer that consists of multiple channels and generates excitation-emission matrix (EEM) data by measuring the fluorescence of a natural organic material in the target water
Data Source
AI summary
Provided are a system for monitoring a hydroxyl radical scavenging index in water using a real-time multi-fluorescence analyzer and a parallel factor analysis apparatus and a method therefor, wherein the system monitors the hydroxyl radical scavenging index in water using the real-time multi-fluorescence analyzer and the parallel factor analysis apparatus, whereby it is possible to monitor the characteristics of an organic material in target water through a continuous flow analysis method without using an existing indicator material, rhodamine B. In addition, in a water treatment system having an advanced oxidation process (AOP) applied thereto in which ozone, ultraviolet rays, hydrogen peroxide, and the like are combined, it is possible to simply calculate the hydroxyl radical scavenging index in the target water through an organic material characteristic index for each component obtained by classifying the characteristic structure of the organic material in water using real-time fluorescence analysis by means of a parallel factor (PARAFAC) model. Accordingly, the amount of chemical injection and the amount of ultraviolet irradiation, which are process control variables, can be controlled, and under given operating variable conditions, the removal rate of a target material in water is predicted, whereby the system can also be used as a diagnostic tool for process evaluation in the advanced oxidation process. Furthermore, the system can provide operational convenience that enables process control while reducing the amount of power consumed in the advanced oxidation process even though the type of target material and the water quality characteristics of raw water change.