UV/VIS Spectroscopy for Wastewater Neutralization
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Solution Overview
Problem
Current methods for removing foreign substances like anti-corrosion agents and medicines from wastewater are inefficient and costly, requiring excessive activated carbon and labor-intensive processes that only partially address pollution issues, particularly in fluctuating concentrations of trace substances.
Innovation Solution
A method and device utilizing UV/VIS spectroscopy to determine the concentration of key foreign substances, allowing for the targeted addition of neutralization media to effectively reduce concentrations of associated substances by more than 50% through partial neutralization, with a focus on continuous monitoring and efficient use of resources.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If constant amounts of activated carbon are added to wastewater, then trace substances are adsorbed and removed, but the cost increases and personnel effort increases due to fluctuating concentrations requiring continuous adjustment
Solution Approach 1:
The patent implements dynamic adjustment of activated carbon dosage based on real-time monitoring of pollutant concentrations. The system continuously measures pollutant levels and automatically adjusts the amount of activated carbon added, transitioning from static constant dosing to dynamic adaptive dosing that matches actual contamination levels.
Solution Approach 2:
The patent employs a feedback control system where pollutant concentrations are continuously monitored and this information is fed back to adjust the activated carbon dosing rate. The control unit receives concentration data from sensors and modifies the dosage accordingly, creating a closed-loop system that optimizes removal efficiency while minimizing chemical consumption.
2Reliability
If activated carbon is continuously adjusted to match fluctuating pollutant concentrations, then removal efficiency improves, but personnel and instrumental effort increases
Solution Approach 1:
The patent implements an automated self-regulating system where the control unit automatically adjusts activated carbon dosing based on sensor readings without requiring manual intervention. The system monitors pollutant concentrations and self-corrects dosage levels, eliminating the need for continuous personnel monitoring and adjustment while maintaining optimal removal efficiency.
Solution Approach 2:
The patent replaces manual monitoring and adjustment operations with an automated control system that uses sensors and control algorithms to manage activated carbon dosing. This substitution of mechanical/manual operations with automated electronic control reduces personnel effort while improving precision and reliability of the dosing process.
3Measurement precision
If individual trace substances are selectively detected and removed, then specific pollution issues are addressed, but the scope of treatment is limited and costs increase
Solution Approach 1:
The patent implements a universal treatment approach using activated carbon that can adsorb multiple types of trace substances simultaneously. Rather than requiring separate detection and treatment systems for each pollutant type, the activated carbon provides broad-spectrum adsorption capability that handles various organic contaminants, pharmaceuticals, and other trace substances through a single integrated process.
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 reliable, cost-effective, and continuous removal of foreign substances from wastewater, reducing personnel and material costs while improving the accuracy and efficiency of purification processes.
Implementation Method 1
analyzing the samples taken, at least by means of UV/VIS spectroscopy, wherein the analysis by means of UV/VIS spectroscopy comprises the following steps: exciting the respective sample with light, in particular with light from a laser, a xenon lamp or a deuterium lamp, with at least one excitation wavelength; and recording at least one absorption spectrum of the light transmitted through the sample
Implementation Method 2
recording at least one absorption spectrum of the light transmitted through the sample and/or at least one fluorescence spectrum of re-emitted light from the respective sample
Implementation Method 3
The foreign substances are converted with the lead foreign substance into substances, media or fluids that are less harmful to humans and/or animals by means of a chemical reaction and/or adsorbed
Data Source
AI summary
The invention relates to a method for the continuous, at least partial, removal of foreign substances from a fluid by means of a cleaning device, wherein the cleaning device comprises an inlet for a fluid to be cleaned and an outlet for the fluid cleaned by the cleaning device, comprising the steps of: - identifying at least one indicator foreign substance for a group of foreign substances of the same purpose, wherein the group comprises at least the indicator foreign substance and at least one further foreign substance, - determining a neutralizing medium from a number of provided neutralizing media for the group of foreign substances, - taking a first sample from the fluid in an inlet upstream of the cleaning device and taking a second sample in an outlet of the cleaning device, - analyzing the samples taken, at least by means of UV/VIS spectroscopy.- Determining the concentration of the indicator contaminant in the analyzed samples based on at least one of the recorded spectra, - Comparing the determined concentrations of the indicator contaminant in the influent and effluent and providing a comparative result, - Adding an amount of the neutralizing medium to the influent fluid according to the provided comparative result to at least partially neutralize the group of contaminants with the indicator contaminant.