Fig. 4: Evolution of carbonaceous species and textual property of ZEOS-Coked samples. | Nature Communications

Fig. 4: Evolution of carbonaceous species and textual property of ZEOS-Coked samples.

From: Directed transforming of coke to active intermediates in methanol-to-olefins catalyst to boost light olefins selectivity

Fig. 4

a Evolution of detailed distribution of carbonaceous intermediates with molecular mass smaller than 200 Da during nitrogen and steam cracking at 953 K, which is analyzed by GC-MS. b Evolution of carbonaceous species with molecular mass larger than 200 Da during nitrogen and steam cracking at 953 K, which is analyzed by MALDI FT-ICR MS. c Operando UV-Raman spectra of ZEOS-Coked samples treated by steam at 923 K with different time. d Evolution of textual property and coke quantity of ZEOS-Coked samples during steam cracking at 953 K.

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