Acid Gas Loading in Amine Units: Real‑Time Insight with Raman

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Moderators

Dr. Jan Poppe

Product Manager

Appointments

June 10, 2026, 8:00 AM - 8:45 AM
June 10, 2026, 2:00 PM - 2:45 PM

Description

Acid gas loading, defined as the concentration of CO₂ and H₂S in circulating amine solvents, is a critical parameter for assessing the performance, stability, and capacity of amine units. Despite its importance, acid gas loading is typically not measured directly in real time; instead, operators rely on indirect indicators or delayed laboratory analyses, leading to conservative operation, higher energy consumption, and slower troubleshooting.

This webinar introduces process Raman spectroscopy as a solution for the direct, real time measurement of acid gas loading in amine units. Raman spectroscopy enables rapid, chemically specific analysis of CO₂, H₂S, amine species, water content, and degradation products without sample conditioning or consumables. By simultaneously monitoring lean and rich amine streams, the method allows clear differentiation between absorber and regenerator limited operation and provides immediate insight during process upsets or feed changes.

The presentation also highlights the capability of Raman spectroscopy to detect heat stable salts in the ppm range, supporting improved solvent management and long term unit reliability. Overall, real time Raman monitoring transforms acid gas loading from a delayed diagnostic into an actionable control variable, enabling more stable, energy efficient, and predictable amine operation.