Method for Analyzing a Disperse Multi-Phase System

Simple SummaryContent extracted from patent full text and abstract with AI.

The invention describes a method for analyzing the ratio between the amount of a particular analyte (such as water, alcohol, or other substances that can form hydrogen bonds) present in the gas phase and the liquid phase within a disperse multi-phase system (such as sprays, aerosols, or emulsions). This is achieved by using Raman spectroscopy to obtain a Raman spectrum of the mixture, then mathematically separating overlapping Raman signals that are characteristic for the analyte in the gas and liquid phase. The technique enables accurate, contact-free, and real-time measurement of the distribution of the analyte between phases.

Use CasesContent extracted from patent full text and abstract with AI.

• Real-time monitoring of sprays in combustion engines, turbines, or industrial processes to optimize performance and safety.
• Process control in chemical manufacturing where accurate phase distribution measurement is important for quality assurance.
• Environmental monitoring, such as analyzing atmospheric aerosols or pollutant distributions.
• Medical inhaler and aerosol device characterization to ensure correct drug delivery phase ratios.
• Research applications in studying fundamental properties of multi-phase systems (e.g., water vapor/liquid dynamics).
• Quality control in food, cosmetics, or household product sprays and emulsions.

BenefitsContent extracted from patent full text and abstract with AI.

• Non-contact, real-time analysis without the need for sampling or interfering with the system.
• Phase-selective measurement enables precise analysis even when conventional spectroscopic methods fail due to overlapping signals.
• Applicable to a wide range of multi-phase systems (emulsions, sprays, aerosols, foams, etc.).
• Enables both qualitative and quantitative measurement of analyte composition in each phase.
• Can assist in process optimization, safety, and quality assurance by providing detailed phase composition information.
• Potential to also measure temperature in the liquid phase from the deconvoluted Raman signatures.

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Patent Abstract

The invention relates to a method for analyzing the ratio ng/nl of the amounts of substance ng and nl of an analyte (9) in the gas phase (index g) and in the liquid phase (index l) within a disperse multi-phase system (3), wherein the ratio ng/nl of the amounts of substance ng and nl of the analyte (9) in the gas phase and in the liquid phase is determined from a Raman signature (33) of the analyte contained in the Raman spectrum (31) of the disperse multi-phase system (3).