Fig. 3: MALDI FT-ICR mass spectra of the liberated carbonaceous deposits. | Nature Communications

Fig. 3: MALDI FT-ICR mass spectra of the liberated carbonaceous deposits.

From: Molecular elucidating of an unusual growth mechanism for polycyclic aromatic hydrocarbons in confined space

Fig. 3: MALDI FT-ICR mass spectra of the liberated carbonaceous deposits.The alternative text for this image may have been generated using AI.

The mass spectra of the liberated carbonaceous deposits obtained from the used up-layer SAPO-34 catalysts by HF dissolution-CCl4 extraction after MTO reaction with WHSV of 4 h−1 at 475 °C for 30 min (a), at 475 °C for different durations (5–130 min) (b), at different temperatures (350–475 °C) (c). d The mass spectra of the liberated carbonaceous deposits obtained from the used bottom-layer catalysts after MTO reaction at 475 °C for different durations (5–130 min).

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