Journal
ENERGY & FUELS
Volume 31, Issue 4, Pages 3979-3986Publisher
AMER CHEMICAL SOC
DOI: 10.1021/acs.energyfuels.6b03105
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Funding
- National Natural Science Foundation of China [51506071, 51376075]
- Foundation of State Key Laboratory of Coal Combustion [FSKLCCB1405]
- Fundamental Research Funds for the Central Universities
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To explore the influence of Fe-, Zr-, and Co-modified zeolites on bio-oil characteristics, the catalytic fast pyrolysis of cellulose :combined with sawdust and cotton stalk was investigated using a pyrolyzer reactor. The results indicate that Fe loaded zeolite favors naphthalene and 1-methylnaphthalene formation through catalytic deoxygenation and hydrocarbon formation. Zr-modified zeolite enhances the contents of ketones and aromatics with higher benzene and p-xylene selectivity. Co leads :to higher production of anhydrous sugars but suppresses the progress of aromatics evolution, whereas the selectivity of Co for toluene and p-xylene is, the highest. A comprehensive reaction network is also proposed to describe the cellulose catalytic pyrolysis process. Considering the catalytic adaptability, catalytic pyrolysis of typical biomass samples with Fe/HZSM-5 was investigated. The total contents of aromatic hydrocarbons are in the following Order: sawdust > cellulose > cotton stalk. The selectivities of naphthalene and 2-methylnaphthalene in cellulose are the highest, while the selectivities of benzene and its derivatives in sawdust and cotton stalk are higher.
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