Fluorescent Monomers for Real-Time Polymer Monitoring
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Solution Overview
Problem
Industrial water systems face challenges in monitoring and maintaining the concentration of treatment polymers, which are crucial for preventing scale formation, as existing methods are inefficient and lack viable tagged treatment polymers for real-time monitoring.
Innovation Solution
Development of novel tagged treatment polymers incorporating fluorescent monomers, such as benzoxanthene-based compounds, that can be used to track the concentration of polymers in industrial water systems using fluorometers, allowing for real-time monitoring and adjustment of polymer levels.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If treatment polymers are used to prevent scale formation in industrial water systems, then scale inhibition performance is improved, but the ability to monitor polymer concentration and consumption in real-time deteriorates
Solution Approach 1:
A fluorescent monomer is introduced as an intermediary component that becomes incorporated into the treatment polymer structure during polymerization. This fluorescent tag serves as a mediator that enables optical detection of the polymer without interfering with its scale inhibition function. The fluorescent monomer acts as a bridge between the polymer and the detection system, allowing real-time monitoring through fluorescence intensity measurements.
Solution Approach 2:
The invention utilizes fluorescence (a form of light emission/color change) as a detection mechanism. The fluorescent monomer emits light at a specific wavelength when excited, providing a visual signal that correlates with polymer concentration. This optical property enables non-intrusive, real-time monitoring of polymer levels and consumption in the water system without affecting the polymer's chemical functionality.
2Measurement precision
If fluorescent monomer is incorporated into treatment polymer to enable monitoring, then real-time concentration detection is improved, but the treatment polymer's scale inhibition performance may deteriorate
Solution Approach 1:
The invention optimizes the concentration of fluorescent monomer incorporated into the polymer to achieve a balance between detection sensitivity and functional performance. By carefully controlling the amount of fluorescent tag (typically a small percentage of total monomer content), the system achieves sufficient fluorescence signal for accurate monitoring while maintaining adequate scale inhibition capability. This parameter optimization resolves the contradiction between measurement precision and functional reliability.
3Quantity of substance
If conventional analytical methods are used to measure treatment polymer concentration, then measurement capability is provided, but real-time monitoring and immediate system adjustment are prevented
Solution Approach 1:
The invention replaces conventional mechanical or chemical analytical methods (which require sampling, filtration, and laboratory analysis) with an optical detection system. Fluorescence measurement can be performed in-line or on-line using simple excitation light sources and detectors, eliminating the time-consuming steps of traditional analysis. This substitution enables real-time concentration monitoring and immediate system response to polymer consumption or scaling events.
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 use of these tagged polymers enables effective monitoring and maintenance of polymer concentrations, facilitating early detection of scaling events and optimizing water treatment processes by providing a stable and sensitive fluorescent signal in industrial water environments.
Implementation Method 1
tagged with a fluorescent monomer... By using a fluorometer to measure the fluorescent signal of the inert fluorescent tracer, the amount of the inert fluorescent tracer can be determined
Data Source
AI summary
The invention is directed towards fluorescent monomers which are synthesized by reacting a substituted or non-substituted benzoxanthene anhydride with an amine and with a moiety containing a polymerizable group. Such monomers are useful for the preparation of tagged treatment polymers. Such tagged treatment polymers are useful as scale inhibitors in industrial water systems.