Online Monitoring of Catalytic Processes by Fiber-Enhanced Raman Spectroscopy
John T Kelly, Christopher J Koch, Robert Lascola, Tyler Guin, Michael P Buric, Nageswara R Lalam · 2024
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Description
Watching a chemical reactor's output live, without pulling samples, is what John Kelly and co-authors build toward in a 2024 paper. Their probe is a hollow-core optical fiber plumbed straight into a catalytic reactor's exit stream. Laser light travels the fiber, and the Raman scattering it collects reports which gases are passing, moment by moment.
The flow cell doubles as pipe and sensor, keeping the package small, sturdy, and cheap enough for real plants. Two test reactions prove the concept: turning carbon dioxide and hydrogen into methane, and cracking ammonia into nitrogen and hydrogen. Chemometric software untangled the overlapping spectral fingerprints, and the readings agreed with mass spectrometry. The authors stress the design's modularity, ready to retune for other gases and other factory floors.
Catalog record
| CREATOR | John T Kelly, Christopher J Koch, Robert Lascola, Tyler Guin, Michael P Buric, Nageswara R Lalam |
|---|---|
| YEAR | 2024 |
| COLLECTION | PAPERS |
| FORMAT | TXT |
| FILE SIZE | 22 KB |
| VERSION | 1.0 |
| LICENSE | CC BY 4.0 |
| RIGHTS | CC BY |
| SOURCE | Europe PMC |