Journal
GREEN CHEMISTRY
Volume 17, Issue 5, Pages 2912-2923Publisher
ROYAL SOC CHEMISTRY
DOI: 10.1039/c5gc00026b
Keywords
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Funding
- National Science Foundation Office of Emerging Frontiers in Research and Innovation (EFRI) [0937895]
- Guangzhou Science and Technology Program key projects (National 973 project) [2013CB228102]
- National Natural Science Foundation of China [51376076]
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The effect of steam for the catalytic fast pyrolysis of cellulose with ZSM-5 was studied in a bubbling fluidized bed reactor. Irreversible and reversible changes due to steaming were identified. Steam caused dealumination, a loss of total acidity, an increase in the zeolite-crystal size, and agglomeration of particles. For runs both with and without steam co-feeding, these irreversible changes caused lower yields for aromatics and char/coke, and higher yields for methane and unidentified products. In addition to irreversible catalyst changes, steam co-feeding was also found to reversibly lower yields of aromatics, char/coke, and identifiable oxygenate species, increase yields of CO and methane, and not change the overall yields of CO2 and olefins.
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